题目
题型:不详难度:来源:
A.being carried out | B.carrying out | C.carried out | D.to carry out |
答案
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。
核心考点
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
A.which was | B.it was | C.which were | D.them were |
A.saved was teachers’ energy |
B.was teachers’ energy saved |
C.teachers’ energy was saved |
D.was saved teachers’ energy |
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. |
A.was of his | B.did of him | C.was him | D.did his |
A.If ever | B.If any | C.If once | D.If so |
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