大学英语大学英语大学英语四级(CET4)大学英语四级模拟题11

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• 11The author says that the world population is growing because _____.

  A.there are many rich valleys and fertile plains

  B.the pattern of distribution is being altered

  C.people are living longer

  D.new land is being brought under cultivation

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• 12The author says that in densely populated areas the land might be more productively farmed if _____.

  A.the plots were subdivided

  B.a large part of the people moved to a different part of the country

  C.industrial methods were used in farming

  D.the units of land were made much larger

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• 13We are told that there are now farms beyond the Arctic Circle. This has been made possible by _____.

  A.producing new strains of crops

  B.irrigation and dry-farming methods

  C.providing fertilizers

  D.destroying pests and disease

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• 14Which of these words is nearest in meaning to the word "strains"、

  A.types

  B.sizes

  C.seeds

  D.harvests

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• 15The author's main purpose is to _____.

  A.argue for a belief

  B.describe a phenomenon

  C.entertain

  D.propose a conclusion

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• 16According to the author, babies learn to do things which .

  A.are directly related to pleasure

  B.will meet their physical needs

  C.will bring them a feeling of success

  D.will satisfy their curiosity

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• 17Papousek noticed in his studies that a baby .

  A.would make learned responses when it saw the milk

  B.would carry out learned movements when it had enough to drink

  C.would continue the simple movements without being given milk

  D.would turn its head to right or left when it had enough to drink

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• 18In Papousek's experiment babies make learned movements of the head in order to .

  A.have the lights turned on

  B.be rewarded with milk

  C.please their parents

  D.be praised

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• 19The babies would "smile and bubble" at the lights because .

  A.the lights were directly related to some basic "drives"

  B.the sight of the lights was interesting

  C.they need not turn back to watch the lights

  D.they succeeded in "switching on" the lights

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• 20According to Papousek, the pleasure babies get in achieving something is a reflection of .

  A.a basic human desire to understand and control the world

  B.the satisfaction of certain physiological needs

  C.their strong desire to solve complex problems

  D.a fundamental human urge to display their learned skills

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