2009年自学考试英语(二)串讲资料(5)
3.虚拟语气强化练习
1. If it hadn't been for your help,we would have been (be) in real trouble.
解析:与过去事实相反的虚拟语气的主句
2. He would have given you more help,if he had not been (not be) so busy.
解析:与过去事实相反的虚拟语气的从句
3. It is high time that we took (take) firm measures to protect our environment.
解析:It is high time +过去式的虚拟形式
4. It was imperative that students finish (finish) their papers before July 1st.
解析:It was imperative that+动词原形的虚拟形式
5. They demanded that the right to vote be given (give) to every adult person.
解析:demand所接宾语从句用动词原形的虚拟形式
6. There was a mistake on my paycheck. I should have received (receive) $10 more.
解析:与过去事实相反的虚拟语气的主句,表示“本应该收到”而实际上没有。
7. I would rather he bought ( buy) the house next year.
解析:would rather后接宾语从句,从句用过去式表示虚拟语气。
8. The manager told us to be friendly to the visitors as if we had met (meet)them before.
解析:as if 所引导的从句用过去完成式表示虚拟语气。
9. Should she come tomorrow,I _________ take her to the museum. × 正确答案为C
[A] can
[B] will
[C] would
[D] must
解析:与将来事实相反的虚拟语气的主句。
10. If we _________ everything ready by now,we should be having a terrible time tomorrow. 正确答案为A
[A] hadn't got
[B] didn't get
[C] wouldn't have got
[D] wouldn't get
解析:从句与现在事实相反,但本身已经是现在完成时(从by now可以看出),所以变为过
去完成时。
4.定语从句和名词性从句强化练习
1. Studies have shown _________ teenagers often suffer from depression. 正确答案为A
解析:that 引导宾语从句
[A] that
[B] which
[C] in which
[D] in that
2. It is a well-known fact _________ a person will move in a circle when he cannot use his eyes to control his direction. 正确答案为A
[A] that
[B] if
[C] when
[D] whether
解析:that 引导同位语从句
3. On the other hand concern is also growing about the possibility of a new economic order_________ resource-rich nations of the Third World would combine to set high commodity prices. 正确答案为C
[A] which
[B] what
[C] that
[D] in that
解析:that 引导同位语从句
4. It is not yet known _________ computers will one day have vision as good as human vision.
正确答案为A
[A] whether
[B] if
[C] that
[D] how
解析:it为形式主语,whether引导真正的主语从句
5. Such attitudes amount to a belief _________ leisure can and should be put to good use. 正确答案为D
[A] which
[B] if
[C] whether
[D] that
解析:that 引导同位语从句
6. The reason for making a decision is _________ a problem exists,goals are wrong,or something is standing in the way of accomplishing them. 正确答案为D
[A] why
[B] because
[C] where
[D] that
解析:that 引导表语从句
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