prep08说： 关于夹心修饰 (by aeoluseros)： 所以歧义修饰，是因为引发了不同的理解，而并不是语法上是否会有不同的修饰，所谓夹心修饰也是这个原则。很多人对“夹心修饰”都有过一个误解，认为S, v-ing, V. + O.结构中，v-ing既可以往前修饰S，也可以往后修饰V就是夹心，而实际上夹心并不是“可以往前修饰S，也可以往后修饰V” 。在S, v-ing, V. + O.这样的表达中，v-ing约定俗成只伴随修饰动词，（重点！！）见下例： prep 2-104 The yield per acre of coffee berries varies enormously, because a single tree, depending on its size and on climate and altitude, is able to produce enough berries to make between one and twelve pounds of dried beans a year. 这个句子里depending不能改为dependent，因为depending和dependent的区别在于，前者伴随修饰谓语动词is able to produce，后者则是修饰名词single tree，会造成逻辑上不对 —— “一棵树依靠它的size”。
这段话说，而实际上夹心并不是“可以往前修饰S，也可以往后修饰V”，那么到底什么是夹心它并没有说明，因为从这段话来理解好像表达的意思是S, v-ing, V. + O.中v-ing只伴随动词，并不存在夹心修饰的错误。
1.S,v+ing..., V+O... 句式中现代分词短语约定俗成只修饰V，不修饰主语，因此没有歧义，不是夹心修饰。 例： prep 2-104 The yield（主语1） per acre of coffee berries varies（谓语1） enormously, because a single tree（从句中的主语2）, depending on its size and on climate and altitude,（修饰produce，不修饰tree，因此没有歧义，即不是夹心修饰） is able to produce（谓语2） enough berries to make between one and twelve pounds of dried beans a year. 【翻】每英亩产出的咖啡果量差异巨大，因为单株（咖啡）树，能生产足量的咖啡果以做成每年1至12磅的干果，（生产）有赖于它的大小所处的气候和海拔。 若将depending 换成dependent 则中间的修饰语修饰的是树，不是produce，逻辑不通。
例2：OG13-106 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,is finding uses in medicine, archaeology, and criminology. 这个句子是错误的，但是错误的原因并非是因为夹心修饰（即歧义句），而是状语使用错误，如果having...短语没有用错，按照约定俗成的原则，它要修饰V，也就是应该修饰developed...短语。但是这样一来意思就说不通了。(*这里衍生出另一个原则，修饰短语不能连续出现，理由是让读者产生定位主语的困难) 下面是正确的句子，正确的句子并没有使用having...短语来修饰emission，而是使用which引导的定语从句。
106. 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, is finding uses in medicine, archaeology, and criminology.
2.以下这个句子就是夹心修饰，即有修饰歧义的句子 例： Unlike the shuttle and earlier spacecraft, with sufficient enough power in fuel cells and batteries for their short flights,a permanently orbiting space station will have to generate its own electricity.
with sufficient enough power in fuel cells and batteries for their short flights,a permanently orbiting space station will have to generate its own electricity.
可是你看我发的另一个帖子，http://forum.chasedream.com/GMAT_SC/thread-795052-1-1.html，版主DUKB24回复我的是S，-ing，VO中的-ing一定修饰的是S，我觉得这个说法也对。就拿你举的例子来说，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,is finding uses in medicine, archaeology, and criminology.我认为的错误是having会错误修饰pollutants，因为距离pollutants，而距离要修饰的名词emission太遥远；而且如果这个错误中的having换成其他的过去分词，肯定第一反映就是名词修饰错误。你觉得呢？
请教，谢谢谢谢 如果按楼主的说法，那么gwd3-q22中
On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen hold gold in the form of bullion or coins, immigrants found that on arrival in the United States they had to surrender all of the gold they had brought with them.
A. On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen hold
B. With a law passed in 1933 that makes it a crime punishable by imprisonment that a United States citizen hold
C. A law passed in 1933 that made it a crime punishable by imprisonment for a United States citizen holding
D. Because of a law passed in 1933 making it a crime punishable by imprisonment for a United States citizen to hold
E. Due to a law being passed in 1933 that makes it a crime punishable by imprisonment for a United States citizen to hold
A选项中的making这个短语就是修饰前面pass的 那么这句话就没有歧义了，那A选项错在哪呢
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发表于 2013-1-6 14:01:05
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