Before a problem can be solved, it must be obvious ________the problem itself
题型：不详难度：来源：
| Before a problem can be solved, it must be obvious ________the problem itself is.(2011·湖南) |
答案
| A |
解析
| A [考查主语从句。从句中缺表语，排除B和D；又因题目没有给出problem的范围，故选A。句意：在解决问题之前，一定要弄清楚问题是什么。] |
举一反三
The Foreign Minister said，“________ our hope that the two sides will work
towards peace.”| A．This is | B．There is | | C．That is | D．It is |
|
________ we go swimming every day ________ us a lot of good.| A．If；do | B．That；do | | C．If；does | D．That；does |
|
______ surprised us most was that with all his money, he _______ worry about a little thing like 5 cents.| A．It; could | B．What; could | C．What; should | D．It; should |
|
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