_____ you have worked out the first problem, you may go on to work on the second

_____ you have worked out the first problem, you may go on to work on the second

题型:不详难度:来源:
_____ you have worked out the first problem, you may go on to work on the second.
A.Even if B.Unless C.Now thatD.Though

答案
C
解析

试题分析:考查连词:A. Even if即使B. Unless除非C. Now that既然D. Though虽然,句意:既然你已经算出了第一个问题,你可以继续算第二个问题。选C。
点评:连词的词义辨析要放在上下文的语境中进行,要注意上下文的语义的串联以及逻辑关系的推理,特别要注意一些连词和时间状语的固定搭配。
举一反三
I earn 50 dollars a week, _______ she earns 80 dollars.
A.asB.whenC.while D.since

题型:不详难度:| 查看答案
It was some time _______ I realized the fact that I had been cheated by the salesman.
A.untilB.beforeC.unlessD.since

题型:不详难度:| 查看答案
—Was it under the tree _______ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
A.thatB.where C.whichD.while

题型:不详难度:| 查看答案
You are allowed to go out______ you promise to be back before 11 o"clock tonight.
A.so long as B.so far asC.as soon as D.as far as

题型:不详难度:| 查看答案
— When would it be possible for Lucy to see the judge or        it was—the lawyer?
—Next week. 
A.whichB.whoC.whoever D.whichever

题型:不详难度:| 查看答案
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