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题目
题型:不详难度:来源:
There’s no way of knowing why one man makes an important discovery         another man, also intelligent, fails.
A.sinceB.IfC.asD.while

答案
D
解析
考查并列连词。根据句意,前后两句话为两种情况的对比“为什么一个人会做出一个重要的发现,而另一个人,也很聪明,但是失败了。”并列连词while表示对比。故选D。
核心考点
试题【There’s no way of knowing why one man makes an important discovery         anoth】;主要考察你对助动词等知识点的理解。[详细]
举一反三
It was a real race        time to get the project done. Luckily, we made it.
A.overB.byC.forD.against

题型:不详难度:| 查看答案
—— Is Maria an outgoing girl?
----- No, she is a little ____ .Her face always turns red when she speaks in class.
A.activeB.shyC.relaxedD.funny

题型:不详难度:| 查看答案
—— ____ does your brother look like?
——He is tall and heavy.
A.WhyB.WhoC.WhatD.How

题型:不详难度:| 查看答案
——Our math teacher has ____hair.
A.curly black longB.black long curlyC.a long curly blackD.long curly black

题型:不详难度:| 查看答案
——There are many ________between them.
—— Yes. ________ people think ________.
A.different, Difference, differently
B.difference, Different, differently
C.differences, Different, differently
D.differently, Difference, different

题型:不详难度:| 查看答案
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