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标题: GWD7-Q26 [打印本页]

作者: nysen    时间: 2011-6-2 21:39
标题: GWD7-Q26
GWD7-Q26:
The Organization of Petroleum Exporting Countries (OPEC) had long been expected to announce a reduction in output to bolster sagging oil prices, but officials of the organization just recently announced that the group will pare daily production by 1.5 million barrels by the beginning of next year, but only if non-OPEC nations, including Norway, Mexico, and Russia, were to trim output by a total of 500,000 barrels a day.



A.year, but only if non-OPEC nations, including Norway, Mexico
, and Russia, were to trim output
B.year, but only if the output of non-OPEC nations, which includes Norway, Mexico
, and Russia, is trimmed
C.year only if the output of non-OPEC nations, including Norway, Mexico
, and Russia, would be trimmed
D.year only if non-OPEC nations, which includes Norway, Mexico
, and Russia, were trimming output
E.year only if non-OPEC nations, including Norway, Mexico, and Russia, trim output

答案E 错选C  请问E中为什么用一般现在时?

作者: nysen    时间: 2011-6-3 12:18
求解释啊~
作者: 爱吃巧克力    时间: 2011-6-3 12:57
本题要注意only if 的用法,只有。。。才,在句中作连词使用。
that the group will 。。。,that引导的宾语从句由两个分句组成,will决定了整个从句的基调为现在时态,only if 引导的从句因此也要用现在时态trim。C用的would是过去时态,而且C的被动语态不如E的主动来的简洁
作者: metoo9    时间: 2012-7-12 21:35
可以这样理解么。
这个句子是only if 引导的条件状语从句
主句用一般将来时 will
则从句要用一般现在时 trim
作者: jeffery2541    时间: 2012-7-13 00:48
这不是条件句中“主将从先”吗?
作者: Cybill    时间: 2013-10-21 10:42
up求解!




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