People sleep less than they used to.

试卷相关题目

• 1Scientists are not sure why we need sleep.

  A.Right

  B.Wrong

  C.Not Mentioned

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• 2Going without sleep is not dangerous for white rats.

  A.Right

  B.Wrong

  C.Not Mentioned

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• 3It took four days for Gardner to recover from the experiment.

  A.Right

  B.Wrong

  C.Not Mentioned

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• 4During the experiment, Gardner had trouble speaking clearly.

  A.Right

  B.Wrong

  C.Not Mentioned

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• 5During the experiment, Gardner slept for two hours every night.

  A.Right

  B.Wrong

  C.Not Mentioned

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• 6Parents in the United States tend to ask their children

  A.to save food.

  B.to wash the dishes.

  C.not to waste foo

  D.D.not to eat too much.

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• 7Why do American restaurants serve large portions、

  A.Because Americans associate quantity with value.

  B.Because Americans have big bellies.

  C.BecauseAmericans are good eaters.

  D.Bcause Americans are greedy.

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• 8What happened in the 1970s、

  A.The US government recommended the amount of food a restaurant gave to a customer.

  B.Health experts persuaded restaurants to serve smaller portions.

  C.The United States produced more grain than neede

  D.D.The American waistline started to expand.

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• 9What does the survey indicate、

  A.Many poor Americans want large portions.

  B.Twenty percent Americans want smaller portions.

  C.Fifty seven percent Americans earn $150,000 per year.

  D.Twenty three percent Americas earn less than $25,000 per year.

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• 10Which of the following is NOT true of working class Americans、

  A.They work long hours.

  B.They live from paycheck to paycheck.

  C.They don’t want to be healthy eaters.

  D.They want to save money for their children.

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