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His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.

正确答案: B

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各位大神啊。。请问谁能帮帮我gmat语法中的时态问题啊!

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楼主
发表于 2012-9-16 15:02:27 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
我对于语法中一般过去时,现在完成时,过去完成时的用法很混乱。单独看各个的概念,我都能明白。什么在过去时间点发生,对现在没有影响的就是一般过去时,对现在有影响的是现完,发生在过去的过去,对现在有影响的是过完。。但是看概念能懂,做题目就错,可见我还是没搞懂。而且这些概念只是机械的说明。。语言是很微妙的东西,要体会subtle啊。我现在遇见时态的题就头痛。。瓶颈了。。我体会不到那种微妙。。句子的语义我能懂。。但是还是不知道怎么做这种题~求大N解答啊!!!!

比如我在刷og13时
72. His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an agein which great ice sheets had existed in now currently temperate areas.



(A) in which great ice sheets had existed in now currently temperate areas

(B) in which great ice sheets existed in what are now temperate areas

(C) when great ice sheets existed where there were areas now temperate

(D) when great ice sheets had existed in current temperate areas

(E) when great ice sheets existed in areas now that are temperate
这个题,我真的不知道为什么选B啊。。。时态让我好纠结。。



  • 77. A 1972 agreement between Canada and the United Statesreduced the amount of phosphatesn. 光气,磷酸盐(phosphate的复数形式) that municipalitiesn. 市民,自治市;市政公债(municipality复数形式)had been allowed to dumpinto 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

这个题,我能选对,但我问自己为什么,我说不出。就是感觉。。我还是想知道每题怎么对怎么错的啊。。
这个题,我用排除法排除了B,C,E。就在A,D中徘徊。。我还是不明白时态啊。。求大神,这个gmat的解释我没看懂!


  • 77. A 1972 agreement between Canada and the United Statesreduced the amount of phosphatesn. 光气,磷酸盐(phosphate的复数形式) that municipalitiesn. 市民,自治市;市政公债(municipality复数形式)had been allowed to dumpinto 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

这个题,我能选对,但我问自己为什么,我说不出。就是感觉。。我还是想知道每题怎么对怎么错的啊。。
这个题,我用排除法排除了B,C,E。就在A,D中徘徊。。我还是不明白时态啊。。求大神,这个gmat的解释我没看懂!




急寻大N给予时态答法的心得!!!!跪求,抱大腿啊!!!!!

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沙发
 楼主| 发表于 2012-9-16 15:03:03 | 只看该作者
自己顶一个。。。大家帮帮忙啊~~~
板凳
 楼主| 发表于 2012-9-16 15:08:06 | 只看该作者
怎么没有人来啊~呜呜~
地板
 楼主| 发表于 2012-9-16 16:47:10 | 只看该作者
求回答啊~~~
5#
 楼主| 发表于 2012-9-16 16:48:40 | 只看该作者
语法好烂啊~~~~
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