_________, the experiment is sure to succeed.
A．If carefully doingB．If carefully done
C．If it done carefullyD．If it doing carefully
B

試題分析:考查非謂語(yǔ)動(dòng)詞。從四個(gè)選項(xiàng)可知，此題考查非謂語(yǔ)做狀語(yǔ)，動(dòng)詞do和句子主語(yǔ)experiment之間是被動(dòng)關(guān)系，所以排除A、D選項(xiàng)。而C選項(xiàng)中有主語(yǔ)但是謂語(yǔ)不完整，故B選項(xiàng)正確。屬于連詞+分詞形式，此處也可以看做是if it is carefully done的省略。句意：如果認(rèn)真做的話，這個(gè)實(shí)驗(yàn)肯定能成功。
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 comedy actor, _____ only 55 kilos but ____ in a heavy oversized coat , looked funny enough to make all the audience laugh.
A．weighed; dressedB．weighed; dressing
C．weighing; dressedD．weighing; dressing

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

They’ve made full preparations, but it remains ______whether they will be able to do a good job in the experiment.
A．to seeB．seenC．being seenD．to be seen

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

______ in a white uniform, he looks more like a cook than a doctor.
A．DressedB．To dressC．DressingD．Having dressed

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 far nobody has claimed the money_______ in the library.
A．discoveredB．to be discoveredC．discoveringD．having discovered

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

He became inspired when he thought about helping ordinary people _________to cholera.
A．exposeB．exposingC．to exposeD．exposed

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The airport ___next year will help promote tourism in this area.
A．being completedB．to be completed
C．completedD．having been completed

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Every minute must be made full use of________spoken English.
A．to practiseB．practisingC． to practisingD．practice

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

This book is considered to be the best novel of its kind ever          .
A．to writeB．writingC．having written D．written

查看答案和解析>>

同步練習(xí)冊(cè)答案