The experiment shows that proper amounts of exercise, if regularly, can im
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 |
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答案
B |
解析
这题考查if条件句的省略式,如果主从句的主语一样,可以省略从句中的主语和be动词。If carried out="if" the experiment is carried out..,句意是:这个实验表明,适当的锻炼,如果定期实施,对健康是有利的。选B。 |
举一反三
_____________ late, but also he forgot his books.A.Not only did he turn up | B.Not only he turned up | C.Not only did he turn out | D.Not only he turned out |
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—Mary said Leo worked really hard. — _______.A.So does he and so does she | B.So does he and so she does | C.So he does and so she does | D.So he does and so does she |
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