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发布时间: 1970-01-01

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1最佳选择题 3分

Sleep??Formillionsofyearsbeforetheappearanceofthee

  • A. Most people need less sleep when they grow older.
  • B. Most people need seven and a half hours of sleep every night.
  • C. On average, people in the U. S today sleep less per night than they used to.
  • D. For most people, less than six hours of sleep on a typical work night is enough.
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正确答案: -

本题解析: 暂无解析

2最佳选择题 3分

Sleep??Formillionsofyearsbeforetheappearanceofthee

  • A. sleep for at least eight hours per night
  • B. believe that we need less sleep as we age
  • C. adjust our activities to the new inventions
  • D. be able to predict the rhythms of our biological clocks
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3最佳选择题 3分

Sleep??Formillionsofyearsbeforetheappearanceofthee

  • A. other diseases
  • B. pre—bedtime exercises
  • C. improper sleep
  • D. chronic fatigue syndrome
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4最佳选择题 3分

Sleep??Formillionsofyearsbeforetheappearanceofthee

  • A. Staying up late.
  • B. Taking a hot bath.
  • C. Having late meals.
  • D. Traveling between time zones.
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5最佳选择题 3分

Sleep??Formillionsofyearsbeforetheappearanceofthee

  • A. people should go to a doctor and have their problems diagnosed
  • B. people should exercise immediately before going to bed every night
  • C. people should sacrifice other things to get enough sleep if necessary
  • D. people should give up going to bed and getting up at the same time every day
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本题解析: 暂无解析

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