The experiment show that proper amount of exercise, if ________ regularly, can improve our health.
A．carry outB．carried outC．to carry outD．being carried out
B
考查分詞做狀語。proper amount of exercise與carry out構(gòu)成被動關(guān)系。Carried out regularly在句中做條件狀語。句意：實驗顯示，如果經(jīng)常進行，適當數(shù)量的鍛煉可以改善我們的健康。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

It is reported that the police will soon ____ the case of two missing children.
A．look uponB．look afterC．look intoD．look out

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


1. In my opinion, your work does not _____ what I expected of you.
A. catch up with       B. add up to      C. come up to      D. go in for
2. I broke my relationship with John because he always found _____ with me.
A. error       B. mistake       C. fault        D. failure

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It is the second time you _________ such a mistake.
A．will makeB．have madeC．madeD．had made

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It’s the ability to do the job _______ matters not where you come from or what you are.
A．oneB．thatC．whatD．it

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Neither the museum nor the library ____ attractive to her.
A．a(chǎn)reB．haveC．seems D．seem

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

______ he did was quite right.
A．WhatB．WhichC． ThatD．Who

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Mike’s father, as well as his mother, commanded that he _____ home.
A．stayedB．could stayC．stayD．has stayed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Rescuers had to _____ the search because of worsening weather conditions.
A．call offB．take offC．come offD．cut off

查看答案和解析>>

同步練習冊答案