2. 外语
  3. The author thinks sleep is a funny thing as it is necessary for human life. While sleeping, people might turn and toss if they

The author thinks sleep is a funny thing as it is necessary for human life. While sleeping, people might turn and toss if they

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问题 The author thinks sleep is a funny thing as it is necessary for human life.
While sleeping, people might turn and toss if they are physically or mentally ill.
选项 A、Y
B、N
C、NG
答案C
解析 第1个小标题Characteristics of Sleep部分的第1段。原文只是说人们睡觉时翻身可能是为了避免身体或皮肤的某个部分血液循环被长时间中断，而没有提到什么样的入睡觉时会辗转反侧，故答案为NG。
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大学英语六级

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