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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.

正确答案: E

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OG13 SC40 关于only if的用法求助

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楼主
发表于 2013-10-7 02:43:53 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
40. 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 nextyear, but only if non-OPEC nations, including Norway, Mexico, and Russia, were to trim outputby 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

这题关于only if的用法,我查了CD上很多说法,包括OG上的解释,是说only if引导条件从句,主句是将来时,从句是一般时态

我想请教一下,这里说的从句是一般时态包括一般过去时吗?还是只能用一般现在时?

谢谢!
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沙发
 楼主| 发表于 2013-10-7 09:30:02 | 只看该作者
自己顶一下,有人能帮忙看一下吗?

非常感谢!
板凳
发表于 2014-6-18 19:15:30 | 只看该作者
同求这道题的解释,BTW有大神告知一下Only if怎么用吗
地板
发表于 2014-6-18 19:36:32 | 只看该作者
这个应该是引导的条件状语从句,所以应该用现在时
5#
发表于 2015-8-25 12:56:03 | 只看该作者
这个是中学学的主将从现吧?
6#
发表于 2015-8-26 20:04:03 | 只看该作者
这里说的从句是一般时态包括一般过去时。因为这里主句是一般将来时(will),所以从句用一般现在时。如果主句是过去将来时(would),从句用一般过去时。
7#
发表于 2016-11-29 09:20:59 | 只看该作者
Monzki 发表于 2015-8-26 20:04
这里说的从句是一般时态包括一般过去时。因为这里主句是一般将来时(will),所以从句用一般现在时。如果主 ...

xiexie~
8#
发表于 2019-9-29 21:37:56 | 只看该作者
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