The experiment shows that proper amounts of exercise, if _______ regularly, can improve our health.
A．being carried outB．carried outC．carrying outD．to carry out
B

試題分析：句意：這項(xiàng)實(shí)驗(yàn)表明適量的運(yùn)動(dòng)，如果有規(guī)律的完成，可以改善你的健康。這里是省略了相同的主語(yǔ)及be動(dòng)詞，整句完整的話應(yīng)該是：The experiment shows that proper amounts of exercise, if the proper amouts of exercise is carried out regularly, can improve our health.選B。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The sign says that children are admitted only if ________ by an adult.
A．to be accompanied　B．a(chǎn)ccompanying
C．a(chǎn)ccompanied　D．to accompany

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Unsatisfied _____ with the payment, he took the job just to get some work experience.
A．a(chǎn)s was heB．a(chǎn)s he was
C．he was asD．was he as

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Not until he retired from teaching three years ago _______having a holiday abroad .
A．he had consideredB．had he consideredC．he consideredD．did he consider

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

So suddenly _____ the disease that the whole family were at a great loss.
A．did he catchB．he caughtC．was he caughtD．he was caught

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Look! Here _____. Let’s get on it.
A．is coming a busB．comes a busC．a(chǎn) bus is comingD．a(chǎn) bus comes

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

______ when we passed by its nest.  
A．Up into the blue sky did the bird flyB．Up into the blue sky flew the bird
C．Up into the blue sky the bird flew D．Flew up into the blue sky the bird

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

If the weather is fine, we’ll go. If ______, ______.
A．not; notB．no; noC．not; noD．no; not

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

—Well, I do think the ipad is smart, convenient and intelligent.
—________.
A．So it isB．So is itC．So does itD．So it does

查看答案和解析>>

同步練習(xí)冊(cè)答案