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    8．The experiment shows that proper amounts of exercise, if regularly, can improve our health. A．being carried out B．carrying out C．carried out D．to carry out 答案:C 解析:本题考查if条件句中的省略情况.本句的句子的主语是the experiment,谓语动词是shows,that引导宾语从句.宾语从句的主干事:proper amounts of exercise can improve our health.if regularly是插入的条件从句.从句的主语是proper amounts of exercise.此时应用it代替前面提到的主语.条件句的主语与主句的主语一致.并且含有is.故省略了it is.完整形式是:if it is carried out.句意为:这项实验表明.适当的运动.如果有规律的进行.能够有助于我们的身体健康. 【查看更多】

     

    题目列表(包括答案和解析)

    The experiment shows that proper amounts of exercise, if  __  regularly, can improve our health.

      A. being carried out      B. carrying out       C. carried out         D. to carry out

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    The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.

    A. being carried out    B. carrying out

    C. carried out          D. to carry out

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    The experiment shows that proper amounts of exercise, if      regularly,  can improve our health.   

    A．being carried outB．carried out
    C．carrying outD．to carry out

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    The experiment shows that proper amounts of exercise, if ______ regularly, can improve our health.

    A．being carried outB．carrying outC．carried outD．to carry out

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    The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.

    A．being carried outB．carrying out C．carried out D．to carry out

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