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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.Which of the following is true, according to the passage? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 390 lượt xem 6 năm trước
50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

X là peptit mạch hở được tạo bởi Gly, Ala và Val. Y là este (no, đơn chức, mạch hở). Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 1:2. Đun nóng E trong 100 ml dung dịch NaOH 1M vừa đủ thu được bốn muối và ancol etylic. Đốt cháy hoàn toàn E cần dùng vừa đủ 0,515 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,03 mol N2. Giá trị của a là?

Hóa học Lớp 12
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Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.Transportation has been made much easier thanks to the invention of car. However, cars are the greatest contributor of air pollution.

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hợp chất X mạch hở có công thức phân tử là C4H9NO2. Cho 10,3 gam X phản ứng vừa đủ với dung dịch NaOH sinh ra một chất khí Y và dung dịch Z. Khí Y nặng hơn không khí, làm giấy quỳ tím ẩm chuyển màu xanh. Dung dịch Z có khả năng làm mất màu nước brom. Cô cạn dung dịch Z thu được m gam muối khan. Giá trị của m là

Hóa học Lớp 12
Xem chi tiết 297 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.According to the passage, “Democracy in America” consisted of how many volumes? 

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Cho sơ đồ phản ứng :EsteX(C4HnO2)→NaOH,toY→AgNO3,toZ→NaOH,toC2H3O2NaCông thức cấu tạo của X thỏa mãn sơ đồ đã cho là

Hóa học Lớp 12
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Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.Our products are environmentally- friendly. We package all of them in recyclable materials.

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.Which of the following can be inferred from the passage?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 456 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.According to the passage, when did de Tocqueville visit America? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 349 lượt xem 6 năm trước
50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

E là peptit mạch hở được tạo bởi Gly, Ala và Val. Người ta lấy 0,03 mol E trộn với một lượng este Y (no, đơn chức, mạch hở) thu được 20,52 gam hỗn hợp T. Đốt cháy hoàn toàn T cần dùng vừa đủ 1,225 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,09 mol N2. Giá trị của b là?

Hóa học Lớp 12
Xem chi tiết 742 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 3.3 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hai este A và B là đồng phân của nhau và đều do axit cacboxylic no, đơn chức và ancol no đơn chức tạo thành. Để xà phòng hóa hoàn toàn 33,3 gam hỗn hợp hai este trên cần vừa đủ 450 ml dung dịch NaOH 1M. Tên gọi của 2 este đó là

Hóa học Lớp 12
Xem chi tiết 10.4 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.The word “unique” in the passage is closest in meaning to 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 700 lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Cho các phát biểu sau:(1) Với công thức phân tử C2HxOy (M < 62; x, y > 0) có 4 hợp chất hữu cơ mạch hở có thể phản ứng với AgNO3/NH3.(2) Có 4 hiđrocacbon mạch hở (số cacbon nhỏ hơn 4) làm mất màu dung dịch Br2/CCl4.(3) Có 5 chất có công thức cấu tạo khác nhau và M = 90u (mạch hở, không phân nhánh, chứa C, H, O, chỉ chứa nhóm chức có H linh động) hòa tan được Cu(OH)2 và khi tác dụng với Na dư được số mol H2 bằng số mol chất đó.(4) Tinh bột và xenlulozơ là đồng phân của nhau.(5) Tơ axetat và tơ visco thuộc loại tơ bán tổng hợp.(6) Lysin, axit glutamic, axit lactic, phenylamin, benzylamin đều làm đổi màu quỳ tím.Số phát biểu đúng là

Hóa học Lớp 12
Xem chi tiết 4.2 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.6 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.What is the passage primarily about? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 492 lượt xem 6 năm trước
50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

E là peptit mạch hở được tạo bởi Gly, Ala và Val. Người ta lấy 0,03 mol E trộn với một lượng este Y (no, đơn chức, mạch hở) thu được 20,52 gam hỗn hợp T. Đốt cháy hoàn toàn T cần dùng vừa đủ 1,225 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,09 mol N2. Giá trị của a là?

Hóa học Lớp 12
Xem chi tiết 1.3 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Đốt cháy m gam este etyl axetat, hấp thụ hết sản phẩm vào 200 gam dung dịch Ba(OH)2 6,84% sau đó lọc được 194,38 gam dung dịch Ba(HCO3)2. Giá trị của m là

Hóa học Lớp 12
Xem chi tiết 29.7 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.The phrase “these traits” refers to 

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Công thức tổng quát của este sinh bởi axit đơn chức no, mạch hở và ancol  thuộc dãy đồng đẳng của ancol benzylic là

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 55

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 54

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Ứng với công thức phân tử C2H7O2N có bao nhiêu chất vừa phản ứng được với dung dịch NaOH vừa phản ứng được với dung dịch HCl 

Hóa học Lớp 12
Xem chi tiết 366 lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hợp chất hữu cơ X có công thức phân tử C6H10O2, cho 9,12 gam X tác dụng với dung dịch NaOH vừa đủ thu được dung dịch Y, cho dung dịch Y tác dụng với dung dịch AgNO3 dư trong NH3 đun nóng thu được 34,56 gam Ag. Số đồng phân cấu tạo của X là

Hóa học Lớp 12
Xem chi tiết 395 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 53

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hỗn hợp X gồm hai amino axit no, mạch hở Y và Z, có cùng số nguyên tử cacbon và đều có một nhóm -NH2 trong phân tử (số mol của Y lớn hơn số mol của Z). Cho 52,8 gam X vào dung dịch NaOH dư, thu được 66 gam muối. Nếu cho 52,8 gam X vào dung dịch HCl dư thì thu được 67,4 gam muối. Phần trăm khối lượng của Z trong hỗn hợp X là

Hóa học Lớp 12
Xem chi tiết 663 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 52

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Có bao nhiêu amin bậc ba là đồng phân cấu tạo của nhau ứng với công thức phân tử C5H13N

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 51

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Đốt cháy hoàn toàn 43,1 gam hỗn hợp X gồm axit axetic, glyxin, alanin và axit glutamic thu được 31,36 lít CO2 (đktc) và 26,1 gam H2O. Mặt khác, 43,1 gam hỗn hợp X tác dụng vừa đủ với 300 ml dung dịch HCl 1M. Nếu cho 21,55 gam hỗn hợp X tác dụng với 350 ml dung dịch NaOH 1M thu được dung dịch Y. Cô cạn dung dịch Y thì thu được m gam chất rắn khan. Biết các phản ứng xảy ra hoàn toàn. Giá trị của m là

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 50

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Thủy phân hoàn toàn 1 mol pentapeptit X, thu được 2 mol glyxin (Gly), 1 mol alanin (Ala), 1 mol valin (Val) và 1 mol Phenylalanin (Phe). Thủy phân không hoàn toàn X thu được đipeptit Val-Phe và tripeptit Gly-Ala-Val nhưng không thu được đipeptit Gly-Gly. Chất X có công thức là

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 49

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Nhận xét nào sau đây không đúng

Hóa học Lớp 12
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Ba chất hữu cơ X, Y, Z (50 < MX < MY < MZ) đều có thành phần nguyên tố C, H, O. Hỗn hợp T gồm X, Y, Z, trong đó nX=4(nY+nZ). Đốt cháy hoàn toàn m gam T, thu được 13,2 gam CO2. Mặt khác, m gam T phản ứng vừa đủ với 0,4 lít dung dịch KHCO3 0,1M. Cho m gam T phản ứng hoàn toàn với lượng dư dung dịch AgNO3 trong NH3, thu được 56,16 gam Ag. Phần trăm khối lượng của Y trong hỗn hợp T là

Hóa học Lớp 12
Xem chi tiết 325 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 48

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanksParents whose children show a special interest in a particular sport have a difficult decision to (47)______ about their children‟s career. Should they allow their children to train to become top sportsmen and women? For many children it (48) ______starting very young and school work, going out with friends and other (49) ______ have to take second place. It‟s very difficult to explain to a young child why he or she has to train for five hours a day, even at the weekend, when (50) _______ of his or her friends are playing.Another problem is of course money. In many countries money for training is (51) ______ from the government for the very best young sportsmen and women. If this help cannot be given, it means that it is the parents (52) ______ have to find the time and the money to support their child‟s development- and sports clothes, transport to competitions, special equipment etc. can all be very expensive.Many parents are understandably (53) _______ that it is dangerous to start serious training in a sport at an early age. Some doctors agree that young (54) _______ may be damaged by training before they are properly developed. Professional trainers, however, believe that it is only by starting young that you can reach the top as a successful sports person. What is clear is that very (55) _______ people reach the top and both parents and children should be prepared for failure even after many years of training.Điền vào ô 47

Tiếng Anh Tốt nghiệp THPT
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Phần trăm khối lượng nitơ trong phân tử alanin bằng

Hóa học Lớp 12
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Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hỗn hợp T gồm X, Y, Z (58 < MX < MY < MZ < 78), là hợp chất hữu cơ tạp chức, phân tử chỉ chứa C, H và O có các tính chất sau:- X, Y, Z đều tác dụng được với Na.- Y, Z tác dụng được với NaHCO3.- X, Y đều có phản ứng tráng bạc.Nếu đốt cháy hết 0,25 mol hỗn hợp T thì thu được m gam chất CO2, m gần nhất với giá trị:

Hóa học Lớp 12
Xem chi tiết 601 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.The word “representative” in line 24 is closest in meaning to 

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.In the last paragraph, the author mentions all of the following as possible roles of nineteenth-century “great women” EXCEPT

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.What use was made of the nineteenth-century women‟s history materials in the Schlesinger Library and the Sophia Smith Collection? 

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.In the second paragraph, what weakness in nineteenth-century histories does the author point out?

Tiếng Anh Tốt nghiệp THPT
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30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết (Đề số 23)

Although findings are inconclusive,________that new solar systems are currently evolving around a number of stars in the universe.

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.It can be inferred from the passage that during the seventeenth and eighteenth centuries 

Tiếng Anh Tốt nghiệp THPT
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30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết (Đề số 23)

Seldom________games been of practical use in playing real games.

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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.The word “celebratory” in line 11 means that the writings refers to ______.

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.In the first paragraph, Bradstreet, Warren, and Adams are mentioned to show that 

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30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết (Đề số 23)

First designed in 1970, Earth Day has become an international event________concerns about environmental issues such as pollution.

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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questionsDuring the seventeenth and eighteenth centuries, almost nothing was written about the contribution of women during the colonial period and the early history of the newly formed United States. Lacking the right to vote and absent from the seats of power, women were not considered an important force in history. Anne Bradstreet wrote some significant poetry in the seventeenth century, Mercy Otis Warren produced the best contemporary history of the American Revolution, and Abigail Adams penned important letters showing she exercised great political influence over her husband, John, the second President of the United States. But little or no notice was taken of these contributions. During these centuries, women remained invisible in history books.Throughout the nineteenth century, this lack of visibility continued, despite the efforts of female authors writing about women. These writers, like most of their male counterparts, were amateur historians. Their writings were celebratory in nature, and they were uncritical in their selection and use of sources.During the nineteenth century, however, certain feminists showed a keen sense of history by keeping records of activities in which women were engaged. National, regional, and local women‟s organizations compiled accounts of their doings. Personal correspondence, newspaper clippings, and souvenirs were saved and stored. These sources form the core of the two greatest collections of women‟s history in the United States – one at the Elizabeth and Arthur Schlesinger Library at Radcliffe College, and the other the Sophia Smith Collection at Smith College. Such sources have provided valuable materials for later generations of historians.Despite the gathering of more information about ordinary women during the nineteenth century, most of the writing about women conformed to the “great women” theory of history, just as much of mainstream American history concentrated on “great men”. To demonstrate that women were making significant contributions to American life, female authors singled out women leaders and wrote biographies, or else important women produced their autobiographies. Most of these leaders were involved in public life as reformers, activists working for women‟s right to vote, or authors, and were not representative at all of the great mass of ordinary women. The lives of ordinary people continued, generally, to be untold in the American histories being published.The word “contemporary” in line 5 means that the history was _______. 

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