People in the past held that the difference between life and death______. The brain controls the other body activities through_

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问题 People in the past held that the difference between life and death______.
The brain controls the other body activities through______.

选项 A、medical devices
B、small electrodes
C、he brain waves
D、the nerve cells

答案D

解析 首先借助常识排除A和B。再利用题干中的新信息词“brain controls”做为答案线索词,这样在文章中找到直接答案相关句:The brain is made of thousands of millions of nerve cells.These cells send and receive millions of chemical and electrical messages every day.In this way the brain controls the other body activities.划线句说“大脑以这样的方式控制着身体的其他活动”,根据代词前指的原则,关注前面句子的内容,前面句子中反复提到“神经细胞”,因此神经细胞是前面句子的主题内容,因此可以“避重就轻”直接借助神经细胞这个词判断,D是答案。
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