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标题: [求助]为什么选A而不是E啊????? [打印本页]

作者: sniffles 时间: 2009-8-7 10:19
标题: [求助]为什么选A而不是E啊?????

Q:A 1972 agreement between Canada and the United State reduced the amount of phophates that municipalities had been allowed to dump into the Great Lakes.

A.reduced the amount of phophates that municipalities had been allowed to dump into the Great Lakes.

E,reduced the amount of phophates allowed for dumping by municipalities.

请问一下,为什么答案选的是A而不是E类??????

作者: isaxi 时间: 2009-8-7 10:40
这道题是OG11,62题
62. A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.
(A) reduced the amount of phosphates that municipalities had been allowed to dump
(B) reduced the phosphate amount that municipalities had been dumping
(C) reduces the phosphate amount municipalities have been allowed to dump
(D) reduced the amount of phosphates that municipalities are allowed to dump
(E) reduces the amount of phosphates allowed for dumping by municipalities
答案选D
OG解释如下:
An agreement that occurred in 1972 is correctly described with the past tense verb reduced. Since the dumping continues into the present, the past perfect verb had been allowed should instead be the present are allowed.
A Had been allowed should be are allowed
B The phosphate amount should be the amount of phosphates; the meaning of the sentence is changed by the omission of any form of allow
C The present tense reduces should be the past tense reduced; the phosphate amount should be the amount of phosphates; have been allowed should be are allowed
D Correct. The past tense reduced is correctly used in this sentence to describe a past action, and the present tense are allowed is used to describe the present situation.
就是说allow是现在也在做的事情,所以用一般现在时.

作者: sniffles 时间: 2009-8-7 15:46
啊,都不记得上面有过了....谢谢谢谢你啊~~~

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