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Tổng hợp đề thi thử THPT quốc gia môn tiếng anh có lời giải chi tiết (Đề số 23)

Read the following andmark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 22 to 29.Harvard University, today recognized as part of the top echelon of the world's universities, came from very inauspicious and humble beginning. This oldest of American universities was founded in 1636, just sixteen years after the Pilgrims landed at Plymouth. Included in the Puritan emigrants to the Massachusetts colony during this period were more than 100 graduates of England's prestigious Oxford and Cambridge universities, and these universities graduates in the New Word were determined that their sons would have the same educational opportunities that they themselves had had. Because of this support in the colony for an institution of higher learning, the General Court of Massachusetts appropriated 400 pounds for a college in October of 1636 and early the following year decided on a parcel of land for the school; this land was in an area called Newetowne, which was later renamed Cambridge after its English cousin and is the site of the present-day university. When a young minister named John Harvard, who came from the neighboring town of Charlestowne, died from tuberculosis in 1638, he willed half of his estate of 1,700 pounds to the fledgling college. In spite of the fact that only half of the bequest was actually paid, the General Court named the college after the minister in appreciation for what he had done. The amount of the bequest may not have been large, particularly by today's standard, but it was more than the General Court had found it necessary to appropriate in order to open the college. Henry Dunster was appointed the first president of Harvard in 1640, and it should be noted that in addition to serving as president, he was also the entire faculty, with an entering freshmen class of four students. Although the staff did expand somewhat, for the first century of its existence the entire teaching staff consisted of the president and three or four tutors.The passage implies that ______________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 422 lượt xem 6 năm trước
Tuyển tập 25 đề thi thử thpt quốc gia môn Vật lý có lời giải chi tiết (P1)

Tốc độ của ánh sáng trong chân không là c=3.108 m/s. Nước có chiết suất n=1,33  đối với ánh sáng đơn sắc màu vàng. Tốc độ của ánh sáng màu vàng trong nước là:

Vật lý Tốt nghiệp THPT
Xem chi tiết 782 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật lí năm 2020 cực hay có lời giải (Đề số 9)

Một sóng hình sin có tần số 20 Hz truyền trên mặt thoáng nằm ngang của một chất lỏng với tốc độ 2 m/s, gây ra các dao động theo phương thẳng đứng của các phần tử chất lỏng. Hai điểm M và N thuộc mặt thoáng chất lỏng cùng phương truyền sóng, cách nhau 22,5 cm đang dao động. Biết điểm M nằm gần nguồn sóng hơn. Tại thời điểm t, điểm N hạ xuống thấp nhất. Sau đó, khoảng thời gian ngắn nhất để điểm M sẽ hạ xuống thấp nhất là

Vật lý Tốt nghiệp THPT
Xem chi tiết 750 lượt xem 6 năm trước
Tổng hợp đề thi thử THPT quốc gia môn tiếng anh có lời giải chi tiết (Đề số 23)

Read the following andmark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 22 to 29.Harvard University, today recognized as part of the top echelon of the world's universities, came from very inauspicious and humble beginning. This oldest of American universities was founded in 1636, just sixteen years after the Pilgrims landed at Plymouth. Included in the Puritan emigrants to the Massachusetts colony during this period were more than 100 graduates of England's prestigious Oxford and Cambridge universities, and these universities graduates in the New Word were determined that their sons would have the same educational opportunities that they themselves had had. Because of this support in the colony for an institution of higher learning, the General Court of Massachusetts appropriated 400 pounds for a college in October of 1636 and early the following year decided on a parcel of land for the school; this land was in an area called Newetowne, which was later renamed Cambridge after its English cousin and is the site of the present-day university. When a young minister named John Harvard, who came from the neighboring town of Charlestowne, died from tuberculosis in 1638, he willed half of his estate of 1,700 pounds to the fledgling college. In spite of the fact that only half of the bequest was actually paid, the General Court named the college after the minister in appreciation for what he had done. The amount of the bequest may not have been large, particularly by today's standard, but it was more than the General Court had found it necessary to appropriate in order to open the college. Henry Dunster was appointed the first president of Harvard in 1640, and it should be noted that in addition to serving as president, he was also the entire faculty, with an entering freshmen class of four students. Although the staff did expand somewhat, for the first century of its existence the entire teaching staff consisted of the president and three or four tutors.Which of the following is NOT mentioned about John Harvard?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 348 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật lí năm 2020 cực hay có lời giải (Đề số 9)

Người ta chiếu ánh sáng có bước sóng 3500 Ao lên mặt một tấm kim loại. Các electron bứt ra với động năng ban đầu cực đại sẽ chuyển động theo quỹ đạo tròn bán kính 9,1 cm trong một từ trường đều có B = 1,5.10-5 T. Công thoát của kim loại có giá trị là bao nhiêu ? Biết khối lượng của electron là me = 9,1.10−31 kg

Vật lý Tốt nghiệp THPT
Xem chi tiết 513 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật Lí cực hay có lời giải (Đề số 3)

Điện năng được truyền từ nơi phát đến một khu dân cư bằng đường dây một pha với hiệu suất truyền tải là 90%. Coi hao phí điện năng chỉ do tỏa nhiệt trên đường dây và và không vượt quá 20%. Nếu công suất sử dụng điện của khu dân cư này tăng 20% và giữ nguyên điệp áp ở nơi phát thì hiệu suất truyền tải điện năng trên chính đường dây đó là

Vật lý Tốt nghiệp THPT
Xem chi tiết 343 lượt xem 6 năm trước
Tổng hợp đề thi thử THPT quốc gia môn tiếng anh có lời giải chi tiết (Đề số 23)

Read the following andmark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 22 to 29.Harvard University, today recognized as part of the top echelon of the world's universities, came from very inauspicious and humble beginning. This oldest of American universities was founded in 1636, just sixteen years after the Pilgrims landed at Plymouth. Included in the Puritan emigrants to the Massachusetts colony during this period were more than 100 graduates of England's prestigious Oxford and Cambridge universities, and these universities graduates in the New Word were determined that their sons would have the same educational opportunities that they themselves had had. Because of this support in the colony for an institution of higher learning, the General Court of Massachusetts appropriated 400 pounds for a college in October of 1636 and early the following year decided on a parcel of land for the school; this land was in an area called Newetowne, which was later renamed Cambridge after its English cousin and is the site of the present-day university. When a young minister named John Harvard, who came from the neighboring town of Charlestowne, died from tuberculosis in 1638, he willed half of his estate of 1,700 pounds to the fledgling college. In spite of the fact that only half of the bequest was actually paid, the General Court named the college after the minister in appreciation for what he had done. The amount of the bequest may not have been large, particularly by today's standard, but it was more than the General Court had found it necessary to appropriate in order to open the college. Henry Dunster was appointed the first president of Harvard in 1640, and it should be noted that in addition to serving as president, he was also the entire faculty, with an entering freshmen class of four students. Although the staff did expand somewhat, for the first century of its existence the entire teaching staff consisted of the president and three or four tutorsThe "pounds" in the second paragraph are probably ______________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 393 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật Lí cực hay có lời giải (Đề số 3)

Một sợi dây AB = 120cm, hai đầu cố định, khi có sóng dừng ổn định trên sợi dây xuất hiện 5 nút sóng. O là trung điểm dây, M, N là hai điểm trên dây nằm về hai phía của O, với OM 5cm , ON = 10cm, tại thời điểm t vận tốc dao động của M là 60cm/s thì vận tốc dao động của N là:

Vật lý Tốt nghiệp THPT
Xem chi tiết 425 lượt xem 6 năm trước
Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

The show was so ……….. that nobody knew who was coming on next

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 4.7 K lượt xem 6 năm trước
Tổng hợp đề thi thử THPT quốc gia môn tiếng anh có lời giải chi tiết (Đề số 23)

Read the following andmark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 22 to 29.Harvard University, today recognized as part of the top echelon of the world's universities, came from very inauspicious and humble beginning. This oldest of American universities was founded in 1636, just sixteen years after the Pilgrims landed at Plymouth. Included in the Puritan emigrants to the Massachusetts colony during this period were more than 100 graduates of England's prestigious Oxford and Cambridge universities, and these universities graduates in the New Word were determined that their sons would have the same educational opportunities that they themselves had had. Because of this support in the colony for an institution of higher learning, the General Court of Massachusetts appropriated 400 pounds for a college in October of 1636 and early the following year decided on a parcel of land for the school; this land was in an area called Newetowne, which was later renamed Cambridge after its English cousin and is the site of the present-day university. When a young minister named John Harvard, who came from the neighboring town of Charlestowne, died from tuberculosis in 1638, he willed half of his estate of 1,700 pounds to the fledgling college. In spite of the fact that only half of the bequest was actually paid, the General Court named the college after the minister in appreciation for what he had done. The amount of the bequest may not have been large, particularly by today's standard, but it was more than the General Court had found it necessary to appropriate in order to open the college. Henry Dunster was appointed the first president of Harvard in 1640, and it should be noted that in addition to serving as president, he was also the entire faculty, with an entering freshmen class of four students. Although the staff did expand somewhat, for the first century of its existence the entire teaching staff consisted of the president and three or four tutors.The pronoun "they" in the second paragraph refers to ______________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.5 K lượt xem 6 năm trước
BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightWhat form of street lighting was used in London when link boys used to work there?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.1 K lượt xem 6 năm trước
200 bài trắc nghiệm Oxyz cực hay có lời giải chi tiết (P4)

Trong không gian Oxyz, cho 2 điểm I(2;4;-1), A(0;2;3). Phương trình mặt cầu tâm I và đi qua A là

Toán Lớp 12
Xem chi tiết 290 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật lí năm 2020 cực hay có lời giải (Đề số 9)

Người ta tạo sóng dừng trên một sợi dây căng giữa hai điểm cố định cách nhau 75 cm. Hai tần số gần nhau nhất cùng tạo ra sóng dừng trên dây là 150 Hz và 200 Hz. Tốc độ truyền sóng trên dây là

Vật lý Tốt nghiệp THPT
Xem chi tiết 2.9 K lượt xem 6 năm trước
BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightThe word “gloomy” in the passage is closest in meaning to ________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1 K lượt xem 6 năm trước
Tuyển tập 25 đề thi thử thpt quốc gia môn Vật lý có lời giải chi tiết (P1)

Một khung dây phẳng diện tích 20 cm2 đặt trong từ trường đều có vectơ cảm ứng từ hợp với vectơ pháp tuyến của mặt phẳng khung dây một góc 60∘ và có độ lớn 0,12 T. Từ thông qua khung dây này là:

Vật lý Tốt nghiệp THPT
Xem chi tiết 722 lượt xem 6 năm trước
Tổng hợp đề thi thử THPTQG môn Vật lí năm 2020 cực hay có lời giải (Đề số 9)

Vật nặng khối lượng m thực hiện dao động điều hòa với phương trình x1=A1cosωt+π3cm thì cơ năng là W1, khi thực hiện dao động điều hòa với phương trình x2=A2cosωt cm thì cơ năng là W2=4W1. Khi vật thực hiện dao động tổng hợp của hai dao động trên thì cơ năng là W. Hệ thức đúng là

Vật lý Tốt nghiệp THPT
Xem chi tiết 3.1 K lượt xem 6 năm trước
BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightAccording to the passage, which of the following sentence is NOT true?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 779 lượt xem 6 năm trước
Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Hai vật nhỏ có cùng khối lượng m = 100 g dao động điều hòa cùng tần số, chung vị trí cân bằng trên trục Ox. Thời điểm t = 0, tỉ số li độ của hai vật là x1x2=62. Đồ thị biểu diễn mối quan hệ giữa thế năng của hai vật theo thời gian như hình vẽ. Lấy π2=10. Khoảng cách giữa hai chất điểm tại thời điểm t=3,69s gần giá trị nào sau đây nhất ?

Vật lý Tốt nghiệp THPT
Xem chi tiết 613 lượt xem 6 năm trước
Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Xét các số nguyên dương chia hết cho 3. Tổng số 50 số nguyên dương đầu tiên của dãy số đó bằng

Toán Tốt nghiệp THPT
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Tổng hợp đề thi thử THPTQG môn Vật Lí cực hay có lời giải (Đề số 3)

Cho đoạn mạch AB gồm: biến trở R, cuộn dây không thuần cảm với độ tự cảm L=0,6πH, và tụ có điện dung C=10-33πF  mắc nối tiếp. Đặt điện áp xoay chiều u = U2cos(100πt) (U không thay đổi) vào hai đầu A, B. Thay đổi giá trị biến trở R ta thu được đồ thị phụ thuộc của công suất tiêu thụ trên mạch vào giá trị R theo đường (1). Nối tắt cuộn dây và tiếp tục thu được đồ thị (2) biểu diễn sự phụ thuộc của công suất trên mạch vào giá trị R. Điện trở thuần của cuộn dây là

Vật lý Tốt nghiệp THPT
Xem chi tiết 468 lượt xem 6 năm trước
BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightThe word “splendors” in the passage could be best replaced by which of the following?

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Cho đa giác đều (H) có 20 cạnh. Xét tam giác có 3 đỉnh được lấy từ các đỉnh của (H). Hỏi có bao nhiêu tam giác có đúng1  cạnh là cạnh của (H)

Toán Tốt nghiệp THPT
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Tuyển tập 25 đề thi thử thpt quốc gia môn Vật lý có lời giải chi tiết (P1)

Giả sử hai hạt nhân X và Y có độ hụt khối bằng nhau, nếu số nuclôn của hạt nhân X lớn hơn số nuclôn của hạt nhân Y thì:

Vật lý Tốt nghiệp THPT
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Tổng hợp đề thi thử THPTQG môn Vật lí năm 2020 cực hay có lời giải (Đề số 9)

Cho hai chất điểm dao động điều hòa trên trục Ox quanh vị trí cân bằng chung là O, với cùng biên độ dao động A. Tần số dao động của chất điểm thứ nhất bằng 5 Hz và chất điểm thứ hai bằng 10 Hz. Gọi v1 và v2 lần lượt là tốc độ của chất điểm thứ nhất và chất điểm thứ hai khi hai chất điểm gặp nhau. Tỷ số v1/v2 bằng

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Một đoạn mạch xoay chiều RLC mắc nối tiếp, trong đó có các đại lượng R, L, C và điện áp hiệu dụng giữa hai đầu đoạn mạch U không thay đổi. Khi thay đổi tần số góc đến giá trị ω1 và ω2 tương ứng với các giá trị cảm kháng là 40 và 250 thì cường độ dòng điện hiệu dụng có giá trị bằng nhau và nhỏ hơn cường độ dòng điện hiệu dụng cực đại trong đoạn mạch. Giá trị dung kháng của tụ điện trong trường hợp cường độ dòng điện hiệu dụng cực đại là

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

Tom: “ When are we leaving for the concert?”Kyle: “ ………………”

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Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Gọi Tk  là số hạng trong khai triển x3+2y213 mà tổng số mũ của x và y trong số hạng đó bằng 34. Hệ số của Tk  bằng

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200 bài trắc nghiệm Oxyz cực hay có lời giải chi tiết (P4)

Trong không gian Oxyz, cho điểm A(-2;3;4), B(6;1;2). Viết phương trình mặt cầu đường kính AB.

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BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightIt is mentioned in the passage that before the electric lamp was invented, ________.

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

In many aspects, the problems that John faced are………….a young man and woman might face today

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

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 sentencesCulture is a word in common use with complex meanings, and is derived, like the term broadcasting, from the treatment and care of the soil and of what grows on it. It is directly related to cultivation and the adjectives cultural and cultured are part of the same verbal complex. A person of culture has identifiable attributes, among them a knowledge of and interest in the arts, literature, and music. Yet the word culture does not refer solely to such knowledge and interest nor, indeed, to education. At least from the 19th century onwards, under the influence of anthropologists and sociologists, the word culture has come to be used generally both in the singular and the plural (cultures) to refer to a whole way of life of people, including their customs, laws, conventions, and values               Distinctions have consequently been drawn between primitive and advanced culture and cultures, between elite and popular culture, between popular and mass culture, and most recently between national and global cultures. Distinctions have been drawn too between culture and civilization; the latter is a word derived not, like culture or agriculture, from the soil, but from the city. The two words are sometimes treated as synonymous. Yet this is misleading. While civilization and barbarism are pitted against each other in what seems to be a perpetual behavioural pattern, the use of the word culture has been strongly influenced by conceptions of evolution in the 19th century and of development in the 20th century. Cultures evolve or develop. They are not static. They have twists and turns. Styles change. So do fashions. There are cultural processes. What, for example, the word cultured means has changed substantially since the study of classical (that is, Greek and Roman) literature, philosophy, and history ceased in the 20th century to be central to school and university education. No single alternative focus emerged, although with computers has come electronic culture, affecting kinds of study, and most recently digital culture. As cultures express themselves in new forms not everything gets better or more civilized.     The multiplicity of meanings attached to the word made and will make it difficult to define. There is no single, unproblematic definition, although many attempts have been made to establish one. The only non-problematic definitions go back to agricultural meaning (for example, cereal culture or strawberry culture) and medical meaning (for example, bacterial culture or penicillin culture). Since in anthropology and sociology we also acknowledge culture clashes, culture shock, and counter-culture, the range of reference is extremely wideThe passage mainly discusses______

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Đặt vào hai đầu đoạn mạch RLC mắc nối tiếp một điện áp xoay chiều có giá trị hiệu dụng và tần số không đổi. Biết cuộn cảm thuần có độ tự cảm L thay đổi được. Khi L=L1 và L=L2 thì điện áp hiệu dụng hai đầu tụ điện có giá trị như nhau. Biết L1+L2=0,8H và đồ thị biểu diễn điện áp hiệu dụng UL vào L như hình. Tổng giá trị L3+L4 gần giá trị nào nhất sau đây ?

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Tuyển tập 25 đề thi thử thpt quốc gia môn Vật lý có lời giải chi tiết (P1)

Một chất bán dẫn có giới hạn quang dẫn là 4,97μm  . Lấy h=6,625.10-34 Js; c=3,108 m/s và e= 1,6.10-19C. Năng lượng kích hoạt (năng lượng cần thiết để giải phóng một êlectron liên kết thành êlectron dẫn) của chất đó là:

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BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightIt is stated in the passage that torches for lighting were made from ______.

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

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 sentencesCulture is a word in common use with complex meanings, and is derived, like the term broadcasting, from the treatment and care of the soil and of what grows on it. It is directly related to cultivation and the adjectives cultural and cultured are part of the same verbal complex. A person of culture has identifiable attributes, among them a knowledge of and interest in the arts, literature, and music. Yet the word culture does not refer solely to such knowledge and interest nor, indeed, to education. At least from the 19th century onwards, under the influence of anthropologists and sociologists, the word culture has come to be used generally both in the singular and the plural (cultures) to refer to a whole way of life of people, including their customs, laws, conventions, and values               Distinctions have consequently been drawn between primitive and advanced culture and cultures, between elite and popular culture, between popular and mass culture, and most recently between national and global cultures. Distinctions have been drawn too between culture and civilization; the latter is a word derived not, like culture or agriculture, from the soil, but from the city. The two words are sometimes treated as synonymous. Yet this is misleading. While civilization and barbarism are pitted against each other in what seems to be a perpetual behavioural pattern, the use of the word culture has been strongly influenced by conceptions of evolution in the 19th century and of development in the 20th century. Cultures evolve or develop. They are not static. They have twists and turns. Styles change. So do fashions. There are cultural processes. What, for example, the word cultured means has changed substantially since the study of classical (that is, Greek and Roman) literature, philosophy, and history ceased in the 20th century to be central to school and university education. No single alternative focus emerged, although with computers has come electronic culture, affecting kinds of study, and most recently digital culture. As cultures express themselves in new forms not everything gets better or more civilized.     The multiplicity of meanings attached to the word made and will make it difficult to define. There is no single, unproblematic definition, although many attempts have been made to establish one. The only non-problematic definitions go back to agricultural meaning (for example, cereal culture or strawberry culture) and medical meaning (for example, bacterial culture or penicillin culture). Since in anthropology and sociology we also acknowledge culture clashes, culture shock, and counter-culture, the range of reference is extremely wideWhich of the following is NOT true about the word culture?

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Đề thi thử thpt quốc gia môn vật lí mới nhất (Đề 3)

Đặt điện áp u=802cos100πt-π4V vào hai đầu đoạn mạch mắc nối tiếp gồm điện trở 203Ω, cuộn thuần cảm và tụ điện có điện dung C thay đổi được. Điều chỉnh điện dung đến giá trị C=C0 để điện áp hiệu dụng giữa hai đầu tụ điện đạt giá trị cực đại bằng 160V. Giữ nguyên giá trị C=C0, biểu thức cường độ dòng điện trong mạch là

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

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 sentencesCulture is a word in common use with complex meanings, and is derived, like the term broadcasting, from the treatment and care of the soil and of what grows on it. It is directly related to cultivation and the adjectives cultural and cultured are part of the same verbal complex. A person of culture has identifiable attributes, among them a knowledge of and interest in the arts, literature, and music. Yet the word culture does not refer solely to such knowledge and interest nor, indeed, to education. At least from the 19th century onwards, under the influence of anthropologists and sociologists, the word culture has come to be used generally both in the singular and the plural (cultures) to refer to a whole way of life of people, including their customs, laws, conventions, and values               Distinctions have consequently been drawn between primitive and advanced culture and cultures, between elite and popular culture, between popular and mass culture, and most recently between national and global cultures. Distinctions have been drawn too between culture and civilization; the latter is a word derived not, like culture or agriculture, from the soil, but from the city. The two words are sometimes treated as synonymous. Yet this is misleading. While civilization and barbarism are pitted against each other in what seems to be a perpetual behavioural pattern, the use of the word culture has been strongly influenced by conceptions of evolution in the 19th century and of development in the 20th century. Cultures evolve or develop. They are not static. They have twists and turns. Styles change. So do fashions. There are cultural processes. What, for example, the word cultured means has changed substantially since the study of classical (that is, Greek and Roman) literature, philosophy, and history ceased in the 20th century to be central to school and university education. No single alternative focus emerged, although with computers has come electronic culture, affecting kinds of study, and most recently digital culture. As cultures express themselves in new forms not everything gets better or more civilized.     The multiplicity of meanings attached to the word made and will make it difficult to define. There is no single, unproblematic definition, although many attempts have been made to establish one. The only non-problematic definitions go back to agricultural meaning (for example, cereal culture or strawberry culture) and medical meaning (for example, bacterial culture or penicillin culture). Since in anthropology and sociology we also acknowledge culture clashes, culture shock, and counter-culture, the range of reference is extremely wideIt is difficult to give the definitions of the word culture EXCEPT for its______

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Chất điểm P đang dao động điều hoà trên đoạn thẳng MN, trên đoạn thẳng đó có bảy điểm theo đúng thứ tự M, P1,P2,P3,P4,P5, N với P3 là vị trí cân bằng. Biết rằng từ điểm M,cứ sau 0,25 s chất điểm lại qua các điểm P1,P2,P3,P4,P5, N. Tốc độ của nó lúc đi qua điểm P1 là 4π cm/s. Biên độ A bằng

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Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 19)

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 sentencesCulture is a word in common use with complex meanings, and is derived, like the term broadcasting, from the treatment and care of the soil and of what grows on it. It is directly related to cultivation and the adjectives cultural and cultured are part of the same verbal complex. A person of culture has identifiable attributes, among them a knowledge of and interest in the arts, literature, and music. Yet the word culture does not refer solely to such knowledge and interest nor, indeed, to education. At least from the 19th century onwards, under the influence of anthropologists and sociologists, the word culture has come to be used generally both in the singular and the plural (cultures) to refer to a whole way of life of people, including their customs, laws, conventions, and values               Distinctions have consequently been drawn between primitive and advanced culture and cultures, between elite and popular culture, between popular and mass culture, and most recently between national and global cultures. Distinctions have been drawn too between culture and civilization; the latter is a word derived not, like culture or agriculture, from the soil, but from the city. The two words are sometimes treated as synonymous. Yet this is misleading. While civilization and barbarism are pitted against each other in what seems to be a perpetual behavioural pattern, the use of the word culture has been strongly influenced by conceptions of evolution in the 19th century and of development in the 20th century. Cultures evolve or develop. They are not static. They have twists and turns. Styles change. So do fashions. There are cultural processes. What, for example, the word cultured means has changed substantially since the study of classical (that is, Greek and Roman) literature, philosophy, and history ceased in the 20th century to be central to school and university education. No single alternative focus emerged, although with computers has come electronic culture, affecting kinds of study, and most recently digital culture. As cultures express themselves in new forms not everything gets better or more civilized.     The multiplicity of meanings attached to the word made and will make it difficult to define. There is no single, unproblematic definition, although many attempts have been made to establish one. The only non-problematic definitions go back to agricultural meaning (for example, cereal culture or strawberry culture) and medical meaning (for example, bacterial culture or penicillin culture). Since in anthropology and sociology we also acknowledge culture clashes, culture shock, and counter-culture, the range of reference is extremely wideWhich of the following is NOT stated in the passage?

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Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Tính tổng S của tất cả các giá trị của x thỏa mãn P2x2-P3x=8

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Một con lắc gồm lò xo có độ cứng bằng 20 N/m gắn với một vật nhỏ có khối lượng 50 g. Con lắc được treo thẳng đứng vào một điểm treo cố định. Từ vị trí cân bằng, đưa vật nhỏ xuống phía dưới một đoạn A rồi thả nhẹ. Cho gia tốc trọng trường g = 10 m/s2 và bỏ qua mọi ma sát trong quá trình dao động. Biết rằng, trong mỗi chu kỳ dao động, quãng thời gian mà lực đàn hồi của lò xo và lực kéo về tác dụng lên vật cùng chiều nhau là π/12 s. Giá trị của A là

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Thực hiện thí nghiệm giao thoa ánh sáng bằng khe Y-âng với ánh sáng chiếu vào hai khe là một ánh sáng tạp sắc được tạo ra từ 4 ánh sáng đơn sắc. Trên màn, sẽ quan sát thấy tối đa bao nhiêu vân ánh sáng khác màu ?

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Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Cho số phức z thỏa mãn zz¯=1 và z¯-1=2. Tổng phần thực và phần ảo của z bằng

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Tuyển tập 25 đề thi thử thpt quốc gia môn Vật lý có lời giải chi tiết (P1)

Chọn đáp án đúng. Mô men của một lực đối với một trục quay là đại lượng đặc trưng cho?

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Trong một bản hợp ca gồm 20 người, coi mọi ca sĩ đều hát với cùng cường độ âm và cùng tần số. Khi một ca sĩ hát thì mức cường độ âm là 72 dB. Khi cả bản hợp ca cùng hát thì mức cường độ âm là

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Đề thi thử thpt quốc gia môn vật lí mới nhất (Đề 3)

Đặt điện áp u=U2cosωt+φ (U và ω không đổi) vào hai đầu đoạn mạch AB. Hình bên là sơ đồ mạch điện và một phần đồ thị biểu diễn sự phụ thuộc của điện áp uMB giữa hai điểm M, B theo thời gian t khi K mở và khi K đóng. Biết điện trở R=2r. Giá trị của U là

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Đề thi thử THPT QG 2019 Môn Vật Lý (Đề số 03)

Các mức năng lượng của trạng thái dừng của nguyên tử hidro được xác định bằng biểu thức En=-13,6n2eV (n = 1, 2, 3,…). Nếu nguyên tử hidro hấp thụ một phôtôn có năng lượng 2,55 eV thì bước sóng lớn nhất của bức xạ nguyên tử hidro có thể phát ra là

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200 bài trắc nghiệm Oxyz cực hay có lời giải chi tiết (P4)

Trong không gian Oxyz, phương trình nào sau đây không phải phương trình mặt cầu

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Đề thi thử THPTGQ môn Toán cực cực hay có lời giải chi tiết(Đề 5)

Tìm các số thực a và b thỏa mãn 2a+b+ii=1+2i với i là đơn vị ảo.

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BỘ ĐỀ THI THPT QUỐC GIA CHUẨN CẤU TRÚC BỘ GIÁO DỤC MÔN TIẾNG ANH (P2)

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 questions from 35 to 42It is hard to think of a world without gas or electricity. Both are commonly used for lighting and heating today. We now can instantly flick a lighter or strike a match to make a flame. But it was not long ago that there were no such things as matches or lighters. To make fire, it was necessary to strike a piece of iron on flint for sparks to ignite some tinder. If the tinder was damp, or the flint old, you had to borrow some fire from a neighbor.We do not know exactly when or how people first used fire. Perhaps, many ages ago, they found that sticks would burn if they were dropped into some hole where melted lava from a volcano lay boiling. They brought the lighted sticks back to make their fire in a cave. Or, they may have seen trees catch fire through being struck by lightning, and used the trees to start their own fires.Gradually people learned they could start a fire without traveling far to find flames. They rubbed two pieces ot wood together. This method was used for thousands of years.When people became used to making fires with which to cook food and stay warm at night, they found that certain resins or gums from trees burnt longer and brighter. They melted resins and dipped branches in the liquid to make torches that lit their homes at night. Iron stands in which torches used to be fixed can still be seen in old buildings of Europe.There was no lighting in city streets until gas lamps, and then electric lamps were installed. Boys ran about London at night carrying torches of burning material. They were called torch boys, or link boys, and earned a living by guiding visitors to friends’ houses at night.For centuries homes were lit by candles until oil was found. Even then, oil lamps were no more effective than a cluster of candles. We read about the splendors and marvels of ancient palaces and castles, but we forget that they must have been gloomy and murky places at nightAccording to the passage the first fire used by people was probably obtained _______.

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