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What does Dr. Landis think may result in a wake-up during night sleep?

  • A.Taking chocolates before bedtime.
  • B.Drinking alcohol before sleep.
  • C.Exercising before going to bed.
  • D.Using electric blankets.
试题出自试卷《2012年10月全国自主考试综合英语(一)真题及答案》
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