Sóng dọc:
A.chỉ truyền được trong chất rắn và bề mặt chất lỏng.
B.truyền được trong mọi chất, kể cả chân không.
C.không truyền được trong chất rắn.
D.truyền được trong chất rắn, chất lỏng và chất khí.

Tìm câu sai
A.Lặp đoạn có ý nghĩa tiến hoá trong hệ gen
B.Một số đột biến đảo đoạn có thể làm tăng khả năng sinh sản
C.Sử dụng các dòng côn trùng mang chuyển đoạn làm công cụ phòng trừ sâu hại bằng biện pháp di truyền
D.Đảo đoạn tạo nguồn nguyên liệu cho tiến hoá

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 42.
The modern comic strip started out as ammunition in a newspaper war between giants of the American press in the late nineteenth century. The first full-color comic strip appeared January 1894 in the New York World, owned by Joseph Pulitzer. The first regular weekly full-color comic supplement, similar to today's Sunday funnies, appeared two years later, in William Randolph Hearst's rival New York paper, the Morning Journal.
Both were immensely popular, and publishers realized that supplementing the news with comic relief boosted the sale of papers. The Morning Journal started another feature in 1896, the "Yellow Kid," the first continuous comic character in the United States, whose creator, Richard Outcault, had been lured away from the World by the ambitious Hearst. The "Yellow Kid" was in many ways a pioneer. Its comic dialogue was the strictly urban farce that came to characterize later strips, and it introduced the speech ballon inside the strip, usually placed above the characters' heads.
The first strip to incorporate all the elements of later comics was Rudolph Dirks's "Katzenjammer Kids," based on Wilhelm Busch's Max and Moritz, a European satire of the nineteenth century. The "Kids" strip, first published in 1897, served as the prototype for future American strips. It contained not only speech balloons, but a continuous cast of characters, and was divided into small regular panels that did away with the larger panoramic scenes of earlier comics.
Newspaper syndication played a major role in spreading the popularity of comic strips throughout the country. Though weekly colored comics came first, daily black-and-white strips were not far behind. The first appeared in the Chicago American in 1904. It was followed by many imitators, and by 1915 black-and-white comic strip had become a staple of daily newspapers around the country.
The passage suggests that comic strips were popular for which of the following reasons?
A.They provided a break from serious news stories.
B.Readers enjoyed the unusual drawings.
C.Readers could identify with the characters.
D.They were about real-life situations.

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 42.
The modern comic strip started out as ammunition in a newspaper war between giants of the American press in the late nineteenth century. The first full-color comic strip appeared January 1894 in the New York World, owned by Joseph Pulitzer. The first regular weekly full-color comic supplement, similar to today's Sunday funnies, appeared two years later, in William Randolph Hearst's rival New York paper, the Morning Journal.
Both were immensely popular, and publishers realized that supplementing the news with comic relief boosted the sale of papers. The Morning Journal started another feature in 1896, the "Yellow Kid," the first continuous comic character in the United States, whose creator, Richard Outcault, had been lured away from the World by the ambitious Hearst. The "Yellow Kid" was in many ways a pioneer. Its comic dialogue was the strictly urban farce that came to characterize later strips, and it introduced the speech ballon inside the strip, usually placed above the characters' heads.
The first strip to incorporate all the elements of later comics was Rudolph Dirks's "Katzenjammer Kids," based on Wilhelm Busch's Max and Moritz, a European satire of the nineteenth century. The "Kids" strip, first published in 1897, served as the prototype for future American strips. It contained not only speech balloons, but a continuous cast of characters, and was divided into small regular panels that did away with the larger panoramic scenes of earlier comics.
Newspaper syndication played a major role in spreading the popularity of comic strips throughout the country. Though weekly colored comics came first, daily black-and-white strips were not far behind. The first appeared in the Chicago American in 1904. It was followed by many imitators, and by 1915 black-and-white comic strip had become a staple of daily newspapers around the country.
The word “incorporate” in the third paragraph is closest in meaning to ________.
A.affect
B.create
C.combine
D.mention

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 42.
The modern comic strip started out as ammunition in a newspaper war between giants of the American press in the late nineteenth century. The first full-color comic strip appeared January 1894 in the New York World, owned by Joseph Pulitzer. The first regular weekly full-color comic supplement, similar to today's Sunday funnies, appeared two years later, in William Randolph Hearst's rival New York paper, the Morning Journal.
Both were immensely popular, and publishers realized that supplementing the news with comic relief boosted the sale of papers. The Morning Journal started another feature in 1896, the "Yellow Kid," the first continuous comic character in the United States, whose creator, Richard Outcault, had been lured away from the World by the ambitious Hearst. The "Yellow Kid" was in many ways a pioneer. Its comic dialogue was the strictly urban farce that came to characterize later strips, and it introduced the speech ballon inside the strip, usually placed above the characters' heads.
The first strip to incorporate all the elements of later comics was Rudolph Dirks's "Katzenjammer Kids," based on Wilhelm Busch's Max and Moritz, a European satire of the nineteenth century. The "Kids" strip, first published in 1897, served as the prototype for future American strips. It contained not only speech balloons, but a continuous cast of characters, and was divided into small regular panels that did away with the larger panoramic scenes of earlier comics.
Newspaper syndication played a major role in spreading the popularity of comic strips throughout the country. Though weekly colored comics came first, daily black-and-white strips were not far behind. The first appeared in the Chicago American in 1904. It was followed by many imitators, and by 1915 black-and-white comic strip had become a staple of daily newspapers around the country.
According to the passage, the “Yellow Kid” was the first comic strip to do all of the following EXCEPT ________.
A.feature the same character in each episode
B.include dialogue inside a balloon
C.appear in a Chicago newspaper
D.characterize city life in a humorous way

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 30 to 34.
Vitamins, taken in tiny doses, are a major group of organic compounds that regulate the mechanisms by which the body converts food into energy. They should not be confused with minerals, which are inorganic in their makeup. Although in general the naming of vitamins followed the alphabetical order of their identification, the nomenclature of individual substances may appear to be somewhat random and disorganized. Among the 13 vitamins known today, five are produced in the body. Because the body produces sufficient quantities of some but not all vitamins, they must be supplemented in the daily diet. Although each vitamin has its specific designation and cannot be replaced by another compound, a lack of one vitamin can interfere with the processing of another. When a lack of even one vitamin in a diet is continual, a vitamin deficiency may result.
The best way for an individual to ensure a necessary supply of vitamins is to maintain a balanced diet that includes a variety of foods and provides adequate quantities of all the compounds. Some people take vitamin supplements, predominantly in the form of tablets. The vitamins in such supplements are equivalent to those in food, but an adult who maintains a balanced diet does not need a daily supplement. The ingestion of supplements is recommended only to correct an existing deficiency due to unbalanced diet, to provide vitamins known to be lacking in a restricted diet, or to act as a therapeutic measure in medical treatment. Specifically, caution must be exercised with fat-soluble substances, such as vitamins A and D, because, taken in gigantic doses, they may present a serious health hazard over a period of time.
It can be inferred from the passage that vitamin supplements can be advisable ________.
A.in special medical cases
B.in most restricted diets
C.after correcting a dietary deficiency
D.before beginning a therapeutic treatment

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 42.
The modern comic strip started out as ammunition in a newspaper war between giants of the American press in the late nineteenth century. The first full-color comic strip appeared January 1894 in the New York World, owned by Joseph Pulitzer. The first regular weekly full-color comic supplement, similar to today's Sunday funnies, appeared two years later, in William Randolph Hearst's rival New York paper, the Morning Journal.
Both were immensely popular, and publishers realized that supplementing the news with comic relief boosted the sale of papers. The Morning Journal started another feature in 1896, the "Yellow Kid," the first continuous comic character in the United States, whose creator, Richard Outcault, had been lured away from the World by the ambitious Hearst. The "Yellow Kid" was in many ways a pioneer. Its comic dialogue was the strictly urban farce that came to characterize later strips, and it introduced the speech ballon inside the strip, usually placed above the characters' heads.
The first strip to incorporate all the elements of later comics was Rudolph Dirks's "Katzenjammer Kids," based on Wilhelm Busch's Max and Moritz, a European satire of the nineteenth century. The "Kids" strip, first published in 1897, served as the prototype for future American strips. It contained not only speech balloons, but a continuous cast of characters, and was divided into small regular panels that did away with the larger panoramic scenes of earlier comics.
Newspaper syndication played a major role in spreading the popularity of comic strips throughout the country. Though weekly colored comics came first, daily black-and-white strips were not far behind. The first appeared in the Chicago American in 1904. It was followed by many imitators, and by 1915 black-and-white comic strip had become a staple of daily newspapers around the country.
What does the passage mainly discuss?
A.A comparison of two popular comic strips
B.The differences between early and modern comic strips
C.The effects of newspapers on comic strip stories
D.Features of early comic strips in the United States

l/ be/ England since/ beginning/ October and this/ be/ first invitation to dinner/English family
A.I have been in England since the beginning of October and this was my first invitation in dinner with an English family.
B.I have been in England since the beginning of October and this was my first invitation to dinner with an English family.
C.I have been in England since the beginning of October and this is my first invitation to dinner with an English family.
D.I was in England since the beginning of October and this was my first invitation to dinner with an English family.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Very few planets are _____ because of lack of water and oxygen.
A.inhabited
B.inhabitant
C.inhabitable
D.uninhabitable

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Ann studied very hard last year, but she couldn’t gain _____ to any university.
A.acceptance
B.admission
C.adoption
D.entrance