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    精英家教网 > 高中英语 > 题目详情

    Go and make someone laugh —______just might help them live longer.


    1. A.
      it
    2. B.
      which
    3. C.
      that
    4. D.
      they
    A
    解析：
    考察代词用法。因为句中用的是破折号，所以排除B。It 代指上文提到的同一个事物。此处代指的就是go and make someone laugh， that 代指可数名词单数，或者不可数名词，特指。与前文提到的东西是同一类而不是同一个。They代指的是可数名词复数。
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        Chemistry is easy to see around us
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        How a science teacher does a big experiment
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        Few things in everyday life contain chemistry
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        pleasant
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    5. 5.

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        Chemistry Around the House
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