我知道OG就是圣经。但是怎么看还是觉得107题，D选项的解释有问题。
(修改：C选项应该 更说明问题，我把C选项也加上)
107.
Orginally developed for detecting air polutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medecine, archaeology , and criminology.
A.Orginally developed fordetecting air polutants, a technique called proton-induced X-rayemission,
which can quickly analyze the chemical elements in almost any substance without destroying it,
C.A technique originally developed for detecting air pollutants, called proton-induced X-ray emission,
which can quickly analyze the chemical elements in almost any substanceand without destroying it.
D. A technique 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.
问题：
首先A是正确答案。
在对D的解释中，说道which错误的修饰了emission.如果是这样的话，那A中也一样有which 错误修饰emission的问题啊。OG是不是错了？！
A\D的解释分别如下：
A.
Correct. The modifiers are all correctly placed and punctuated; the meaning is clear.
C.
Called proton-induced X-ray emission should be placed next to
a technique and should not be set off by commas;
relative clause introduced by which incorrectly and illogically modifies emmisionD.
Called proton-induced X-ray emission should be placed next to
a technique and should not be set off by commas;
relative clause introduced by which incorrectly and illogically modifies emmision;
has the ability to is wordy.
-- by 会员 peill (2012/5/5 12:10:01)
首先OG的答案是没有错的
A.Orginally developed fordetecting air polutants, a technique called proton-induced X-rayemission,
which can quickly analyze the chemical elements in almost any substance without destroying it,
首先看A的结构，是modifier+subject(technique)+modifier（which)的结构，a tech是subject,called proton-induced X-ray emission
是用来修饰a tech的，翻译过来其实等于this tech= proton-induced X-ray,所以这两个东西是一样的所以which指代没有歧义。 C.A technique originally developed for detecting air pollutants, called proton-induced X-ray emission,
which can quickly analyze the chemical elements in almost any substanceand without destroying it.
再来看C，我觉得最重要的错误不在于which,而是在于called这个modifier,
任何“逗号+-ed”的成分都是修饰离-ed成分最近的noun，所以这里called实际在修饰air pollutants,这是一个很严重的逻辑错误，因为called本身要指的是a tech。
那么此时离which可以最近修饰的noun便是这个emission，而emission存在的这个modifier因为有called的存在使它修饰的不再是a tech,而是pollutants,which在这里的指代就根本不对了
这就是AC的本质区别
或者从句子的成分上看：
A选项是modifier+subect+modifier的机构，修饰成分分散在subject的两遍，都在修饰subject,不会引起歧义
而C则是subject+modifier+modifier,即使两个modifier都想修饰subject,也会存在第二个Modifier修饰第一个modifier的歧义，所以C不如A好
提供一个秒杀这道题的方法：看句子结构
A modifier+subject+modifier
B modifier+modifier+subject
C subject+modifier+modifier
D subject+modifier+modifier
E错误太明显不说了
从句子的结构上来看，显然A是最不会引起歧义的两个modifier都在修饰subject,而B,C,D都有第二个Modifier修饰第一个modifier的嫌疑
根据Manhattan语法，avoid long sequences of modifiers that modify the same noun.Putting two long modifiers in a row before(如B ) or after a moun(如C,D)can lead to awkward .（此规律恒成立）-- by 会员 llssyy93 (2012/5/5 22:20:08)
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楼主
发表于 2012-5-21 23:03:14
发表于 2012-7-14 20:25:26
