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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 outB.carrying outC.carried outD.to carry out

答案
C
解析

试题分析:考查状语从句的省略句:当主从句的主语一致的情况,可以省略从句的主语和be动词,If carried out="if" proper amounts of exercise are carried out。句意:实验表明,适量的锻炼,如果被定期进行,能提高人们的健康。选C。
点评:如果主句的主语和从句的主语一致,且状语从句的谓语动词中有 be 动词,从句的主语连同be 可一起省略,该类状语从句多为时间、地点、条件、方式或让步等,连词为when, while, though, if, unless, although, as if 等,后面通常接分词、不定式、形容词、名词等。
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试题【The experiment shows that proper amounts of exercise, if ______ regularly, can i】;主要考察你对倒装句等知识点的理解。[详细]
举一反三
The factory was built in a secret place, around ________ high mountains.
A.which wasB.it wasC.which wereD.them were

题型:不详难度:| 查看答案
The computer was used in teaching. As a result, not only _______, but students became more interested in the lessons.
A.saved was teachers’ energy
B.was teachers’ energy saved
C.teachers’ energy was saved
D.was saved teachers’ energy

题型:不详难度:| 查看答案
Which of the following is NOT right?
A.It was not until I reached London that I realized that my English was so poor.
B.Not until I reached London did I realize that my English was so poor.
C.I didn’t realize that my English was so poor until I reached London.
D.It was not until I reached London that did I realize that my English was so poor.

题型:不详难度:| 查看答案
I stared into the blackness and wondered if he was as aware of my presence as I      .
A.was of hisB.did of himC.was himD.did his

题型:不详难度:| 查看答案
Perhaps not in my memory.      , it might have been during my early childhood.
A.If everB.If any C.If onceD.If so

题型:不详难度:| 查看答案
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