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yangmars · 发表于 2011-4-19 21:22:11

1.Scientists have suggested that once every 10 million years or so a truly colossal object from space cuts through the atmosphere and slams into Earth, sending up a global pall of dust that blots out the Sun, alters the climate, and changes the course of evolution by killing off many plant and animal species.
(A) sending up a global pall of dust that blots

(B) thus sending up a global pall of dust to blot

(C) thereby sending up a global pall of dust to blot

(D) and that sends up a global pall of dust, blotting（A）

(E) which sends up a global pall of dust, blots
正确答案为A
可是对比下面这道题目我不禁疑惑，sending直接跟在名词earth后面不是修饰earth吗？而原文中 sending up dust 的应该是 cut through 和slam into 这个process吧？不知道我理解的对不对？
对比下面这道修饰错误，我不懂为什么，求赐教

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（called修饰了air pollutants） 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,（A）

(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(往前修饰) proton-induced x-ray emission,

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（called修饰了air pollutants） 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,（A）

(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(往前修饰) proton-induced x-ray emission,

yangmars · 发表于 2011-4-21 12:47:09

自己顶，期待热心的同学们来回答啊

lonelyorchid · 发表于 2011-4-21 14:28:03

第一题中,sending明显是做状语的,因为如果做定语的话,逻辑不通.所以这题要区分的是做定语还是做状语
第二题则不然,having明显是做定语,但是修饰哪个词却没有明确指出,所以要区分的不是做定语还是做状语,而是同样做定语,中心语是谁

yangmars · 发表于 2011-4-23 18:36:10

虽然楼上的GG你的解释偶看不太懂，但是这道题偶已经读顺了，虽然道理还是不太明白，继续期待大牛用浅显易懂的语言来指点啊……多谢。

Gail小M · 发表于 2011-4-23 22:46:02

there is a difference between the past partiple and present partiple

for present partiple:
faced with<, verb-ing>,u should first try to see if it can modify the previous clause<since if it is used to modify the noun, adding comma will be redundant>

for past partiple<,ed>,actually it cannot be used to describe the previous sentence, thus it is used to describe the closest noun.

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