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Read the following passage and mark the letter A, B, C, D on our answer sheet to indicate the correct word (s) for each of the blanks      One of the most beautiful parts of Britain is the Lake District. The Lake District is situated in the north-west of England and consists of high hills, mountains and, of course, lakes. In all, there are 16 lakes, of (41)_____ the largest is Lake Windermere. Over the years many writers have been (42)_____ with this region but there can be no (43)_____ that the most famous of all was William Wordsworth (1770-1850), who was born and lived almost the whole of his life there. He had close connections with the village of Grasmere, where he lived for some thirteen years. He loved this particular part of England and many of his poems of the joy he felt when surrounded by beautiful countryside          Every year more than 14 million people from Britain and abroad visit the Lake District to enjoy the fresh air and the scenery. Some go to walk in the mountains while others sail boats on the lakes or simply sit admiring the (44)_____ views. Unfortunately, the region is becoming a victim of its own success in attracting visitors. (45)____ come to the Lake District that they threaten to destroy the peace and quite which many are searching for thereĐiền ô số 42

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsThe author states that the reason that infants need to avoid certain foods related to allergies has to do with the infant’s______________. 

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Lực F truyền cho vật khối lượng ml gia tốc a1=2m/s2, truyền cho vật khối lượng m2 gia tốc a2=3m/s2. Hỏi lực F sẽ truyền cho vật có khối lượng m3=m1+m2 gia tốc là bao nhiêu?

Vật lý Lớp 10
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Bài tập về Este - Lipit cực hay có lời giải chi tiết (P5)

Cho 0,08 mol hỗn hợp X gồm bốn este mạch hở phản ứng vừa đủ với 0,17 mol H2 (xúc tác Ni, t0), thu được hỗn hợp Y. Cho toàn bộ Y phản ứng vừa đủ với 110 ml dung dịch NaOH 1M, thu được hỗn hợp Z gồm hai muối của hai axit cacboxylic no có mạch cacbon không phân nhánh và 6,88 gam hỗn hợp T gồm hai ancol no, đơn chức. Mặt khác, đốt cháy hoàn toàn 0,01 mol X cần vừa đủ 0,09 mol O2. Phần trăm khối lượng của muối có phân tử khối lớn hơn trong Z là

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.According to the passage, "Swan Lake" and "The Sleeping Beauty" are _________ 

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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on our answer sheet to indicate the correct word (s) for each of the blanks      One of the most beautiful parts of Britain is the Lake District. The Lake District is situated in the north-west of England and consists of high hills, mountains and, of course, lakes. In all, there are 16 lakes, of (41)_____ the largest is Lake Windermere. Over the years many writers have been (42)_____ with this region but there can be no (43)_____ that the most famous of all was William Wordsworth (1770-1850), who was born and lived almost the whole of his life there. He had close connections with the village of Grasmere, where he lived for some thirteen years. He loved this particular part of England and many of his poems of the joy he felt when surrounded by beautiful countryside          Every year more than 14 million people from Britain and abroad visit the Lake District to enjoy the fresh air and the scenery. Some go to walk in the mountains while others sail boats on the lakes or simply sit admiring the (44)_____ views. Unfortunately, the region is becoming a victim of its own success in attracting visitors. (45)____ come to the Lake District that they threaten to destroy the peace and quite which many are searching for thereĐiền ô số 41

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsThe word “hyperactive” is closest in meaning to______________. 

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Một quả bóng khối lượng 200 g bay với vận tốc 90 km/h đến đập vuông góc vào tường rồi bật trở lại theo phương cũ với vận tốc 54 km/h. Thời gian va chạm giữa bóng và tường là 0,05s. Độ lớn lực của tường tác dụng lên quả bóng là

Vật lý Lớp 10
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.According to the passage, for what is Tchaikovsky's music most well known? 

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsWhat can be inferred about babies from this passage? 

Tiếng Anh Tốt nghiệp THPT
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183 Bài tập andehit- axit cacboxylic cực hay có đáp án (phần 3)

Để phân biệt axit propionic và axit acrylic ta dùng

Hóa học Lớp 11
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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsAccording to the information in the passage, all of the following terms refer to ants beginning to the genus Formica EXCEPT ______

Tiếng Anh Tốt nghiệp THPT
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Phản ứng trùng ngưng

Dãy gồm các chất đều có khả năng tự tham gia phản ứng trùng ngưng (không kết hợp với chất khác) là:

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.It is known that before Tchaikovsky, _______ . 

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Một lực có độ lớn 2 N tác dụng vào một vật có khối lượng 1 kg lúc đầu đứng yên. Quãng đường mà vật đi được trong khoảng thời gian 2s là

Vật lý Lớp 10
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183 Bài tập andehit- axit cacboxylic cực hay có đáp án (phần 3)

Có thể phân biệt 3 lọ mất nhãn chứa: HCOOH,CH3COOH,C2H5OH với hóa chất nào dưới đây?

Hóa học Lớp 11
Xem chi tiết 635 lượt xem 5 năm trước
Phản ứng trùng ngưng

Nhựa novolac là chất rắn, dễ nóng chảy, dễ tan trong một số dung môi hữu cơ, được dùng để sản xuất bột ép, sơn. Nhựa novolac được tổng hợp bằng phương pháp trùng ngưng từ các monome là

Hóa học Lớp 12
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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsThe word “excavate” is closest in meaning to _____

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Một ôtô có khối lượng 1 tấn đang chuyển động với v=54km/h thì tắt máy, hãm phanh, chuyển động chậm dần đều. Biết độ lớn lực hãm 3000N. Xác định quãng đường xe đi được cho đến khi dừng lại.

Vật lý Lớp 10
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsThe phrase “set off” is closest in meaning to______________.

Tiếng Anh Tốt nghiệp THPT
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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsWhat does the author mean by stating that “The dulotic species of ants, however, are the supreme social parasites”

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.According to the passage, all of the following describe Madame von Meck EXCEPT _________ 

Tiếng Anh Tốt nghiệp THPT
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Bài tập về Este - Lipit cực hay có lời giải chi tiết (P5)

X là este mạch hở được tạo bởi axit cacboxylic hai chức và một ancol đơn chức. Y, Z là hai ancol đơn chức, mạch hở, đồng đẳng kế tiếp nhau. Đốt cháy hoàn toàn 5,7 gam hỗn hợp E chứa X, Y, Z cần dùng 7,728 lít O2 (đktc), sau phản ứng thu được 4,86 gam nước. Mặc khác, đun nóng 5,7 gam hỗn hợp E trên cần dùng 200 ml dung dịch NaOH 0,2M, cô cạn dung dịch sau phản ứng thu được phần hơi chứa 2 ancol Y, Z có khối lượng 4,1 gam. Phần trăm khối lượng X có trong E là 

Hóa học Lớp 12
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Phản ứng trùng ngưng

Cặp chất nào sau đây không thể tham gia phản ứng trùng ngưng?

Hóa học Lớp 12
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsThe word “symptoms” is closest in meaning to______________. 

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Lần lượt tác dụng có độ lớn F1 và F2 lên một vật khối lượng m, vật thu được gia tốc có độ lớn lần lượt là a1 và a2 .F1=2F2. Bỏ qua mọi ma sát. Tỉ số a2a1 là

Vật lý Lớp 10
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200 bài trắc nghiệm Oxyz cực hay có lời giải chi tiết (P1)

Trong không gian với hệ tọa độ Oxyz, cho hình chóp S.ABCD, đáy ABCD là hình chữ nhật. Biết A(0;0;0), D(2;0;0), B(0; 4;0).

Toán Lớp 12
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsAccording to the passage, the difficulty in diagnosing allergies to foods is due to ______________

Tiếng Anh Tốt nghiệp THPT
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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsThe word “it” refers to ______

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

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 36 to 42.           Scientists do not yet thoroughly understand just how the body of an individual becomes sensitive to a substance that is harmless or even wholesome for the average person. Milk, wheat, and egg, for example, rank among the most healthful and widely used foods. Yet these foods can cause persons sensitive to them to suffer greatly. At first, the body of the individual is not harmed by coming into contact with the substance. After a varying interval of time, usually longer than a few weeks, the body becomes sensitive to it, and an allergy has begun to develop. Sometimes it’s hard to figure out if you have a food allergy, since it can show up so many different ways. Your symptoms could be caused by many other problems. You may have rashes, hives, joint pains mimicking arthritis, headaches, irritability, or depression. The most common food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate, oranges, and tomatoes. Many of these allergies will not develop if these foods are not fed to an infant until her or his intestines mature at around seven months. Breast milk also tends to be protective. Migraines can be set off by foods containing tyramine, phenathylamine, monosodium glutamate, or sodium nitrate. Common foods which contain these are chocolate, aged cheeses, sour cream, red wine, pickled herring, chicken livers, avocados, ripe bananas, cured meats, many Oriental and prepared foods (read the labels!). Some people have been successful in treating their migraines with supplements of B-vitamins, particularly B6 and niacin. Children who are hyperactive may benefit from eliminating food additives, especially colorings, and foods high in salicylates from their dietsThe topic of this passage is______________. 

Tiếng Anh Tốt nghiệp THPT
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Phản ứng trùng ngưng

Polime được điều chế bằng phản ứng trùng ngưng là

Hóa học Lớp 12
Xem chi tiết 798 lượt xem 5 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.Which of the following could best replace the word "terminated"? 

Tiếng Anh Tốt nghiệp THPT
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Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Một quả bóng có khối lượng 500 g đang nằm yên trên mặt đất thì bị một cầu thủ đá bằng một lực 250 N. Bỏ qua mọi ma sát. Gia tốc mà quả bóng thu được là

Vật lý Lớp 10
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ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsThe author mentions cuckoos and cowbirds because they _____

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.The phrase "enjoyed the patronage of" probably means _________ 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 0.9 K lượt xem 5 năm trước
Bài tập về Este - Lipit cực hay có lời giải chi tiết (P5)

X là este no, đa chức, mạch hở; Y là este ba chức, mạch hở (được tạo bởi glixerol và một axit cacboxylic đơn chức, không no chứa một liên kết C=C). Đốt cháy hoàn toàn 17,02 gam hỗn hợp E chứa X, Y thu được 18,144 lít CO2 (đktc). Mặt khác, đun nóng 0,12 mol E cần dùng 570 ml dung dịch NaOH 0,5M thu được dung dịch G. Cô cạn dung dịch G thu được hỗn hợp T chứa 3 muối (T1, T2, T3) và hỗn hợp 2 ancol có cùng số nguyên tử cacbon. Biết MT1 < MT2 < MT3 và T3 nhiều hơn T1 là 2 nguyên tử cacbon. Phần trăm khối lượng của T3 trong hỗn hợp T gần nhất với giá trị nào dưới đây? 

Hóa học Lớp 12
Xem chi tiết 3.5 K lượt xem 5 năm trước
Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Một lực có độ lớn 4 N tác dụng lên vật có khối lượng 0,8 kg đang đứng yên. Bỏ qua ma sát và các lực cản. Gia tốc của vật bằng

Vật lý Lớp 10
Xem chi tiết 64.8 K lượt xem 5 năm trước
ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsThe word “raise” is closest in meaning to _____

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.6 K lượt xem 5 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.Which of the following is closest in meaning to the word "productivity"?

Tiếng Anh Tốt nghiệp THPT
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183 Bài tập andehit- axit cacboxylic cực hay có đáp án (phần 3)

Cho các hợp chất hữu cơ: C2H2, C2H2O,CH2O, CH2O2 (mạch hở, đơn chức). Biết C3H4O2 không làm chuyển màu quỳ tím ẩm. Số chất tác dụng được với dung dịch AgNO3/NH3 tạo ra Ag là

Hóa học Lớp 11
Xem chi tiết 820 lượt xem 5 năm trước
Phản ứng trùng ngưng

Polime nào sau đây được tổng hợp bằng phản ứng trùng ngưng?

Hóa học Lớp 12
Xem chi tiết 3.7 K lượt xem 5 năm trước
Chương II. ĐỘNG LỰC HỌC CHẤT ĐIỂM (P1)

Khi nói về một vật chịu tác dụng của lực, phát biểu nào sau đây đúng?

Vật lý Lớp 10
Xem chi tiết 536 lượt xem 5 năm trước
ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Social parasitism involves one species relying on another to raise its young. Among vertebrates, the best known social parasites are such birds as cuckoos and cowbirds; the female lays egg in a nest belonging to another species and leaves it for the host to rearThe dulotic species of ants, however, are the supreme social parasites. Consider, for example, the unusual behavior of ants belonging to the genus Polyergus. All species of this ant have lost the ability to care for themselves. The workers do not forage for food, feed their brood or queen, or even clean their own nest. To compensate for these deficits, Polyergus has become specialized at obtaining workers from the related genus Formica to do these choresIn a raid, several thousand Polyergus workers will travel up to 500 feet in search of a Formica nest, penetrate it, drive off the queen and her workers, capture the pupal brood, and transport it back to their nest. The captured brood is then reared by the resident Formica workers until the developing pupae emerge to add to the Formica population, which maintains the mixed-species nest. The Formica workers forage for food and give it to colony members of both species. They also remove wastes and excavate new chambers as the population increasesThe true extent of the Polyergus and dependence on the Formica becomes apparent when the worker population grows too large for existing nest. Formica scouts locate a new nesting site, return to the mixed-species colony, and recruit additional Formica nest mates. During a period that may last seven days, the Formica workers carry to the new nest all the Polyergus eggs, larvae, and pupae, every Polyergus adult, and even the Polyergus queenOf the approximately 8000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other antsWhich of the following statements best represents the main idea of the passage?

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.    Left- handers are the odd ones out. Sure, lefties________ (31) up about 10 percent of the population, but, frankly, it seems like society has forgotten about them. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that fit comfortably only in your right hand. What________(32) someone to become a southpaw? Scientists aren’t exactly sure, but research points to a complex________(33) between genes and environment. While no exact set of “leftie genes” have been discovered, people who dominantly use their left hands do have more left-handed family members. And researchers have found different brain wirings in righties vs. lefties. But no matter ________(34) it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have. So for all of you lefties, leftie- loving righties, and ambidextrous folks out there - it’s time to brush up on your left-handed knowledge and help ________(35) an end to leftie discrimination once and for allĐiền ô số 35

Tiếng Anh Tốt nghiệp THPT
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Phản ứng trùng ngưng

Polime nào sau được tạo ra bằng phản ứng trùng ngưng?

Hóa học Lớp 12
Xem chi tiết 799 lượt xem 5 năm trước
ĐỀ 4

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions Not so long ago almost any students who successfully completed a university degree or diploma course could find a good career quite easily. Companies toured the academic institutions, competing with each other to recruit graduates. However, those days are gone, even in Hong Kong, and nowadays graduates often face strong competition in the search for jobs.Most careers organization highlight three stages for graduates to follow in the process of securing a suitable career: recognizing abilities, matching these to available vacancies and presenting them well to prospective employersJob seekers have to make a careful assessment of their own abilities. One area of assessment should be of their academic qualifications, which would include special skills within their subject area. Graduates should also consider their own personal values and attitudes, or the relative importance to themselves of such matters as money, security, leadership and caring or others. An honest assessment of personal interests and abilities such as creative or scientific skills acquired from work experience should also be give careful thoughtThe second stage is to study the opportunities available for employment and to think about how the general employment situation is likely to develop in the future. To do this, graduates can study job vacancies and information in newspapers or the can visit a career office, write to possible employers for information or contact friends or relatives who may already be involved in a particular profession. After studying all various options, they should be in a position to make informed comparisons between various careersGood personal presentation is essential in the search for a good career. Job application forms and letters should, of course, be filled in carefully and correctly, without grammar or spelling errors. Where additional information is asked for, job seekers should describe their abilities and work experience in more depth, with example if possible. They should try to balance their own abilities with the employer’s needs, explain why they are interested in a career with the particular company and try to show that they already know something about the company and its activitiesWhen graduates are asked to attend for the interview, they should prepare properly by finding out all they can about the prospective employer. Dressing suitably and arriving for the interview on time are also obviously important. Interviewees should try to give positive and helpful answers and should not be afraid to ask questions about anything they are unsure about. This is much better than pretending to understand a question and giving an unsuitable answerThere will always be good career opportunities for people with ability, skills, and determination; the secret to securing a good job is to be one of themIn paragraph 6, the writer seems to suggest that ____

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 13)

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 55 to 64.May 7, 1840, was the birthday of one of the most famous Russian composers of the nineteenth century Peter Illich Tchaikovsky. The son of a mining inspector, Tchaikovsky studied music as a child and later studied composition at the St. Petersburg Conservatory. His greatest period of productivity occurred between 1876 and 1890, during which time he enjoyed the patronage of Madame von Meck, a woman he never met, who gave him a living stipend of about $1,000.00 a year. Madame von Meck later terminated her friendship with Tchaikovsky, as well as his living allowance, when she, herself, was facing financial difficulties. It was during the time of Madame von Meck's patronage, however, that Tchaikovsky created the music for which he is most famous, including the music for the ballets of Swan Lake and The Sleeping Beauty.Tchaikovsky's music, well known for its rich melodic and sometimes melancholy passages, was one of the first that brought serious dramatic music to dance. Before this, little attention had been given to the music behind the dance. Tchaikovsky died on November 6, 1893, ostensibly of cholera, though there are now some scholars who argue that he committed suicide.With what topic is the passage primarily concerned? 

Tiếng Anh Tốt nghiệp THPT
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.     Left- handers are the odd ones out. Sure, lefties________ (31) up about 10 percent of the population, but, frankly, it seems like society has forgotten about them. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that fit comfortably only in your right hand. What________(32) someone to become a southpaw? Scientists aren’t exactly sure, but research points to a complex________(33) between genes and environment. While no exact set of “leftie genes” have been discovered, people who dominantly use their left hands do have more left-handed family members. And researchers have found different brain wirings in righties vs. lefties. But no matter ________(34) it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have. So for all of you lefties, leftie- loving righties, and ambidextrous folks out there - it’s time to brush up on your left-handed knowledge and help ________(35) an end to leftie discrimination once and for allĐiền ô số 34

Tiếng Anh Tốt nghiệp THPT
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Bài tập về Este - Lipit cực hay có lời giải chi tiết (P5)

 Hỗn hợp E gồm hai este đơn chức, là đồng phân cấu tạo và đều chứa vòng benzen. Đốtcháy hoàn toàn m gam E cần vừa đủ 8,064 lít khí O2 (đktc), thu được 14,08 gam CO2 và2,88 gam H2O. Đun nóng m gam E với dung dịch NaOH (dư) thì có tối đa 2,80 gam NaOHphản ứng, thu được dung dịch T chứa 6,62 gam hỗn hợp ba muối. Khối lượng muối của axitcacboxylic trong T là  

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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết (Đề số 08)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.          Left- handers are the odd ones out. Sure, lefties________ (31) up about 10 percent of the population, but, frankly, it seems like society has forgotten about them. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that fit comfortably only in your right hand. What________(32) someone to become a southpaw? Scientists aren’t exactly sure, but research points to a complex________(33) between genes and environment. While no exact set of “leftie genes” have been discovered, people who dominantly use their left hands do have more left-handed family members. And researchers have found different brain wirings in righties vs. lefties. But no matter ________(34) it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have. So for all of you lefties, leftie- loving righties, and ambidextrous folks out there - it’s time to brush up on your left-handed knowledge and help ________(35) an end to leftie discrimination once and for all Điền ô số 33

Tiếng Anh Tốt nghiệp THPT
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CÔNG TY TNHH ĐẦU TƯ VÀ DỊCH VỤ GIÁO DỤC VIETJACK
Giấy chứng nhận ĐKKD số: 0108307822 do Sở KH & ĐT TP Hà Nội cấp lần đầu ngày 04/06/2018
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