OG13中的106题的答案怎么与不能用which引导非限制性定语从句相违背呢？求高手解答

liuyuanlynn · 发表于 2012-7-26 17:45:31

原题是Originally developed for detecting air pollutants, a technique called proton-induced X-rav emission, which can quickly analyze the chemical elements in almost and substance without destroying it，is finding uses in medicine, archaeology, and criminology.
(A) Originally developed for detecting air pollutants,a technique called proton-induced X-ray emission, which can quickly analyze the
chemical elements in almost any substance without destroying it,
(B) Originally developed for detecting air pollutants,having the ability to analyze the chemical elements in almost any substance without
destroying it, a technique called proton-induced X-ray emission
(C) Atechnique originally developed for detecting air pollutants, called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,
(D) Atechnique originally developed for detecting air pollutants, called proton-induced X-ray emission, which has the ability to analyze the chemical elements in almost any substance quickly and without destroying it,
(E) Atechnique that was originally developed for detecting air pollutants and has the ability to analyze the chemical elements in almost any
substance quickly and without destroying the substance, called proton-induced X-ray emission,

答案中有句话是the nonrestrictive clause which ... destroying it is correctly placed next to emission and set off from the rest of the sentenceby a pair of commas.GMAT中which不是不能引导非限制性定语从句吗？这里怎么不是这么说呢？
另外想请教一下，用分词修饰时，在逗号隔开的情况下，在曼哈顿上说分词不需要紧随修饰对象，但是OG中有些题的答案却说分词修饰的主体不明确，请问分词做修饰的时候具体怎么判断呢？

liuyuanlynn · 发表于 2012-7-26 17:46:20

自己顶一下，还有一个月就要考了，心里很急啊，语法本来就不好，现在看OG越看越乱了

cannotliu · 发表于 2012-7-26 18:21:43

我觉得是因为主句的主语虽然是a technique, 但是这个技术就叫做 proton-induced x-ray emission, 所以就不会出现一般which 引导非限制定语从句时有可能不知道到底修饰那个对象的问题，因为实质上 technique 就是 proton-induced x-ray emission.

还有分词的情况，是不是应该看分词和主语的语态呢？就是是主动还是被动的，我觉得分词考点挺爱考这个的。。

我9月考。。og做了一遍正确率50%。。。。抓狂中啊。。。。

liuyuanlynn · 发表于 2012-7-26 19:29:50

我觉得是因为主句的主语虽然是a technique, 但是这个技术就叫做 proton-induced x-ray emission, 所以就不会出现一般which 引导非限制定语从句时有可能不知道到底修饰那个对象的问题，因为实质上 technique 就是 proton-induced x-ray emission.

还有分词的情况，是不是应该看分词和主语的语态呢？就是是主动还是被动的，我觉得分词考点挺爱考这个的。。

我9月考。。og做了一遍正确率50%。。。。抓狂中啊。。。。

-- by 会员 cannotliu (2012/7/26 18:21:43)

一开始我也是觉得proton-induced x-ray emission和a technique是一回儿事儿，但是一方面答案写的很明确，nonrestrictive clause，另一方面答案对C的解释有这么一句话relative clause introducedby which incorrectlyand illogically modifies emission，我就凌乱了。

分词的主动被动还挺明显，但是在把选项排除到最后两个的时候，具体看分词和从句的时候经常错，感觉找不到一个什么统一的规律。

我八月底就考了，很急啊。第一遍OG语法也是很绝望，现在正在第二遍，感觉好很多了，我觉得看看答案帮助很大。

liuyuanlynn · 发表于 2012-7-27 09:52:30

高手们，大牛们，帮忙给看看吧

sawayisa · 发表于 2012-7-27 10:46:28

这个题其实是这样的，先说A 为什么好，adv+ed分词在句首，后接逻辑主语，即主句主语technique，后面called定语，接which无论是修饰technique还是修饰proton-induced X-ray emission都是一个东西，不会引起歧义。
而C 主语开头在句首，后接called，根据名词修饰的就近原则，called直接修饰pollutants，就变成pollutants called proton-induced X-ray emission,which，which可以跳过插入语，简单的介词短语，修饰语。所以就算跳过插入语依然修饰pollutants根据句意和emission是一个东西，句子就变成了pollutants analyze......这就不合逻辑了。所以OG说illogically modifies emission，因为在C中emission=pollutants。
参考！

liuyuanlynn · 发表于 2012-7-27 16:17:19

很有道理，那么分词修饰也是遵循就近原则吗？

小陈冲鸭 · 发表于 2018-11-19 21:45:16

非限制性定语从句不就是要用which或者who引导的吗

OG13中的106题的答案怎么与不能用which引导非限制性定语从句相违背呢？求高手解答

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