The experiment shows that proper amounts of exercise, if _______ regularly, can

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．carried out

C．carrying out

D．to carry out

答案

解析

试题分析：句意：这项实验表明适量的运动，如果有规律的完成，可以改善你的健康。这里是省略了相同的主语及be动词，整句完整的话应该是：The experiment shows that proper amounts of exercise, if the proper amouts of exercise is carried out regularly, can improve our health.选B。

举一反三

Only when I left my parents for Italy ________ how much I loved them.

A．I realized

B．I had realized

C．had I realized

D．did I realize

题型：不详难度：| 查看答案

prices , we have to take into consideration the quality of the goods .

A．While compared

B．Compared

C．Compare

D．When comparing

题型：不详难度：| 查看答案

Zhang Hua is clever and works hard at his subjects.

A．So is Li Ming	B．So does Li Ming
C．It was the same with Li Ming	D．So it is with Li Ming

题型：不详难度：| 查看答案

____, he doesn’t study well.

A．As he is clever

B．He is as clever

C．Clever as he is

D．As clever he is

题型：不详难度：| 查看答案

So suddenly _____ the disease that the whole family were at a great loss.

A．did he catch

B．he caught

C．was he caught

D．he was caught

题型：不详难度：| 查看答案