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题目
题型:不详难度:来源:
Our class discussed the question of __________it is necessary for us students to use mobile phones on campus.
A.ifB.whereC.whether D.that

答案
 C
解析
本题考查宾语从句。句意:我们班上讨论了我们的学生在校园是否有必要使用手机的问题。
结合句意可知of后接宾语从句,有“是否”的含义,故用whether。介词后的从句不用if引导。
核心考点
试题【Our class discussed the question of __________it is necessary for us students to】;主要考察你对连词等知识点的理解。[详细]
举一反三
Robert failed to complete his education____ he found it hard to focus on his studies.
A.although B.ifC.becauseD.while

题型:不详难度:| 查看答案
       , and we each can have one.
A.A few more books
B.Giving us a few more books
C.To give us a few more books
D.Given us a few more books

题型:不详难度:| 查看答案
Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.
A.whenever B.by the timeC.the moment D.ever since

题型:不详难度:| 查看答案
Leave your key with your neighbor      _you lock yourself out one day.
A.as long asB.in case C.even thoughD.as if

题型:不详难度:| 查看答案
It sounds like something is wrong with the car’s engine. _____ , we’d  better take it to the garage immediately.
A.OtherwiseB.If not
C.But for thatD.If so

题型:不详难度:| 查看答案
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