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OG12-SC-104 求教中~~

El Niño, the periodic abnormal warming of the sea
surface off Peru, a phenomenon in which changes in
the ocean and atmosphere combine allowing the warm
water that has accumulated
in the western Pacific to
flow back to the east.
(A) a phenomenon in which changes in the ocean
and atmosphere combine allowing the warm
water that has accumulated
(B) a phenomenon where changes in the ocean and
atmosphere are combining to allow the warm
water that is accumulating
(C) a phenomenon in which ocean and atmosphere
changes combine and which allows the warm
water that is accumulated
(D) is a phenomenon in which changes in the ocean
and atmosphere combine to allow the warm
water that has accumulated
(E) is a phenomenon where ocean and atmosphere
changes are combining and allow the warm
water accumulating

本题答案为D.这里有两个问题请教:
1)对于选项E,OG解释中有一条是“Where cannot correctly refer to phenomenon”,where不可以指代phenomenon这没有错,只是where在这里可以与in which替换吗?如果可以那么这里,即使where不可以指代phenomenon,能算是错误吗?
2)本题解释的开场白中:The clause defining phenomenon is clear (in which changes in the ocean and atmosphere combine), but the subsequent phrase, allowing … is not. If the participial phrase were to modify the previous clause, a comma would have to be inserted between combine and allowing. 小弟想问一下,如果使用“allowing”需要加逗号,此时allowing 在句中做什么修饰成分呢?是伴随结果状语吗?
还请NN多提携呀...谢谢!
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说一下个人的快速解法哈。通过挑出句子主干可以排除A、B、C。
然后根据网络课堂的语法里说到in which优先于where,印象中是对限定的对象更为准确。可以排除E、
不过真正的语法功夫的话,我还真不在行。帮楼主顶一下。同求大牛解释

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1)对于选项E,OG解释中有一条是“Where cannot correctly refer to phenomenon”,where不可以指代phenomenon这没有错,只是where在这里可以与in which替换吗?如果可以那么这里,即使where不可以指代phenomenon,能算是错误吗?
今天才看的Manhattan,where指的是具体的地点,但是像这题的这种抽象地点,必须用in which。所以where不可以与in which 替换的。
2)小弟想问一下,如果使用“allowing”需要加逗号,此时allowing 在句中做什么修饰成分呢?是伴随结果状语吗?
还请NN多提携呀...谢谢
我不知道是什么修饰成分,但现在分词在这里应该是修饰前面的句子,而且要用逗号分开,忘了在什么资料看到的了。等NN解释吧。

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已经从楼上两位战友的叙述中学到很多啦!真心感谢!!~~大家一起努力学习!!加油
再等NN出现~~!

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首先, in which不一定修饰的对象是地点的含义. 比如这里的含义是"在这个现象中", 而不是"在xx里面". 所以where不能取代in which.

其次, 如果修饰的是地点, where可以取代in which, 但是in which描述肯定更加精确. 有很明确的"里面"的含义. 所以GMAT里面介词+which一般都优于where.

Allowing是现在分词作伴随结果状语. 但是, 这里用to allow更加好.

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说一下个人的快速解法哈。通过挑出句子主干可以排除A、B、C。
然后根据网络课堂的语法里说到in which优先于 ...
ChinaHawk 发表于 2011-7-11 06:44



    我和你的办法是一下的,用自己知道的知识点排除一些选项。
答案是选对了,我有个疑问,正确选项D中,“the warm water that has accumulated”,这里为什么要用完成时
能不能麻烦哪位NN给我解答下。谢谢咯

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