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下面的这一题，是11thOG的SC部分第62题，在SC大全中也出现过（SC大全第一部分的第2题） 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 在11thOG中的答案是D，但在SC大全中的答案是A，而且各说各有理，关于此题我的倾向是A，各位大人能帮忙看一下答案到底是A还是D比较好呢？ 附上OG中的解释： 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. E The present tense reduces should be the past tense reduced; allowed for dumping is an incorrect idiom; allowed for dumping by municipalities is awkward 大全注释（987）中的解释是这样： A is best. 1972应用reduced, 故C, E错。B, C的the phosphate amount错，B的had been dumping句意不对。 E的
allowed for错，by municipalities改变句意。D的are allowed时态错。the amount应该是指reduced前的量, 故应过去的过去had been allowed。
[此贴子已经被作者于2008-5-3 2:42:26编辑过] | 
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发表于 2008-5-3 01:24:00
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