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og12 sc 107题的OG 解释不明白
107. 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,
观月C项OG 的解释: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 emission.
这个WHICH 引导的从句正确答案A和C的用法一样啊,为什么C用就不对?明白的同学能帮忙解释一下吗?谢谢! |
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