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标题: [求助]白勇 Section 7- 1 [打印本页]

作者: juni_wu 时间: 2008-12-26 08:22
标题: [求助]白勇 Section 7- 1

1. 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.

(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) A technique 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) 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,

(E) A technique 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：A

E 为什么不对？

答案：A

E 为什么不对？

作者: sophia417 时间: 2008-12-26 16:13
E错误是因为called proton-induced x-ray emission究竟是修饰A technique还是修饰the substance的呢？这里不清楚，因此错误。

作者: juni_wu 时间: 2008-12-27 09:56

非常感谢：）

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