According to the passage, what was the percentage of American adults doing regular physical exercises two years ago、

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• 1What is the main idea of the passage、

  A.All senses have their limitations.

  B.Man has not fully utilized all his senses.

  C.Insects are more sensitive to colours than man.

  D.Man is not as good as animals in learning about the environment.

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• 2The phrase “sensitive skins” (Par

  A.2 Line 6) most probably means ________.A.skins that are sticky or slippery

  B.skins that are delicate

  C.skins that are completely dry

  D.skins that are quick to feel and respond

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• 3We can realise how deeply a finger is put into water at body temperature ________.

  A.from the sense of direct touch

  B.through skin contact

  C.from the even distribution of pressure

  D.through the difference in temperature

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• 4Which of the following is TRUE、

  A.The honey-bee is blind to red.

  B.Man is more colour-conscious than the honey-bee.

  C.The honey-bee can see far more colours than man.

  D.B.Man is more colour-conscious than the honey-be

  E.C.The honey-bee can see far more colours than man.D.Man is sensitive to the ultra-violet.

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• 5From the passage, we realise that ________.

  A.man possesses as many senses as animals

  B.man possesses a few more senses than animals

  C.man possesses far more senses than the five major ones

  D.man has fully utilised his senses

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• 6A growing interest in sports developed after ________.

  A.research showed their health benefits

  B.people got the message from magazine covers and postage stamps

  C.scientific evidence of health benefits was shown on TV ads

  D.an increasing number of races were held in American cities

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• 7Which of the following is closest in meaning to the phrase “leveled off” (Par

  A.2, Line 8)、A.“become very popular”

  B.“stopped being popular”

  C.“stopped increasing in popularity”

  D.“reached its lowest level in popularity”

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• 8It can be learnt from the passage that the health benefits of exercise ________.

  A.are yet to be proved

  B.are to be further studied

  C.are self-evident

  D.are supported by scientific evidence

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• 9Which of the following would be the best TITLE for the passage、

  A.Exercise-The Road to Health.

  B.Different Forms of Exercise.

  C.Scientific Evidence of Health Benefits.

  D.Running A Popular Form of Sport.

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• 10Language has always been—as the phrase goes—the mirror to society. English is no ________.

  A.explanation

  B.excuse

  C.exception

  D.expectation

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