The experiment shows that proper amounts of exercise, if __ regularly, can imp - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

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

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。

核心考点

试题【The experiment shows that proper amounts of exercise, if __ regularly, can imp】；主要考察你对现在分词等知识点的理解。[详细]

举一反三

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A．addicted to stay	B．accustomed to stay
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B．to be tested

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A．Being finished

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C．Finishing

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