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

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解决时间 2021-01-02 23:58

提问者网友：十年饮冰
2021-01-02 08:18

The experiment shows that proper amounts of exercise, if regularly, can improve our health.
A. being carried out
B. carrying out
C. to carry out
D. carried out

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五星知识达人网友：轻雾山林
2021-01-02 09:07

A. being carried outB. carrying outC. to carry out(答案→)D. carried out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theexperiment；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itis,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。

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1楼网友：走死在岁月里
2021-01-02 10:26

我好好复习下

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