prep-1-130

Braveboy2008 · 发表于 2008-5-25 11:55:00

130. (31416-!-item-!-188;#058&004490)

Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

(A) while at the same time they have introduced some 100,000 dangerous chemical pollutants, having

(B) while at the same time introducing some 100,000 dangerous chemical pollutants that have

(C) while they have introduced some 100,000 dangerous chemical pollutants at the same time, and have

(D) but introducing some 100,000 dangerous chemical pollutants at the same time that have

(E) but at the same time introduce some 100,000 dangerous chemical pollutants, having

NN说第一个：They没有指代，可我认为是指代"Industrialization and modern methods ",

到底怎么判定代词指代在GMAT。那位NN有总结呀，我总是判断不准确。

raiden_lee · 发表于 2008-5-25 12:56:00

我觉得这题的A是这样的，未划线后的句子后部分的they were developed more than 50 years ago.中they 指代pollutants，而划线中的they我认为确实指代Industrialization and modern methods ，但整句句子来看，造成了时代不清。

以下引自《白勇语法总结by遥远的绿洲(CD)》

1 代词it/this/that都不能指代整个句子;代词it/this/that不能单独充当主语,必须加上名词才能作主语

2 避免指代不清,修改的方法有三个:

1)重复代词指代的对象

2)用such + n.或者指示代词this/these/those + n.代替代词

3)用一个名词概括代词指代的对象

3
代词一致原则:相同的代词指代对象要一致

Braveboy2008 · 发表于 2008-5-25 22:57:00

thank you

jadedj · 发表于 2008-8-2 17:44:00

以下是引用Braveboy2008在2008-5-25 11:55:00的发言：

130. (31416-!-item-!-188;#058&004490)

Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

(A) while at the same time they have introduced some 100,000 dangerous chemical pollutants, having

(B) while at the same time introducing some 100,000 dangerous chemical pollutants that have

(C) while they have introduced some 100,000 dangerous chemical pollutants at the same time, and have

(D) but introducing some 100,000 dangerous chemical pollutants at the same time that have

(E) but at the same time introduce some 100,000 dangerous chemical pollutants, having

NN说第一个：They没有指代，可我认为是指代"Industrialization and modern methods ",

到底怎么判定代词指代在GMAT。那位NN有总结呀，我总是判断不准确。

有个问题，正确答案中的while跟at the same time不是语义重复么？

xueyu815 · 发表于 2008-8-2 18:32:00

以下是引用Braveboy2008在2008-5-25 11:55:00的发言：

130. (31416-!-item-!-188;#058&004490)

Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

(A) while at the same time they have introduced some 100,000 dangerous chemical pollutants, having

(B) while at the same time introducing some 100,000 dangerous chemical pollutants that have

(C) while they have introduced some 100,000 dangerous chemical pollutants at the same time, and have

(D) but introducing some 100,000 dangerous chemical pollutants at the same time that have

(E) but at the same time introduce some 100,000 dangerous chemical pollutants, having

NN说第一个：They没有指代，可我认为是指代"Industrialization and modern methods ",

到底怎么判定代词指代在GMAT。那位NN有总结呀，我总是判断不准确。

首先说明一下while+(at the same time)+doing 是固定用法，这用法的前提是while 前后主语一致，则while后的主语省略，用doing. 所以划线的they肯定是Industrialization and modern methods , 而后面没划线的they 也指Industrialization and modern methods ，理由是一整句话中的相同代词只可指代同一事物，为得是避免造成指代不清。

ivyfeng · 发表于 2009-9-23 16:48:00

这道题目给我的感觉不是很舒服诶，感觉have gone virtually... since they were developed more than 50 years ago.中的they和这句话的主语应该一直才对啊，应该都是指前面的Industrialization and modern methods...，要不然句子里的代词跳过从句主语去修饰那么远的东东。。。不舒服

ivyfeng · 发表于 2009-9-23 17:59:00

ps：怎么判断是methods还是pollutants go unregulated呀，我选了E（估计钻牛角尖了这题，但出不来了）感觉就是having是做延伸修饰前面整句话的（but at the same time introduce some 100,000 dangerous chemical pollutants），然后句子本身是在说methods　ｕｎｒｅｇｕｌａｔｅｄ，这要比较有逻辑。。。

xiaoqiaoli · 发表于 2011-6-1 11:53:37

有个问题，正确答案中的while跟at the same time不是语义重复么？

-- by 会员 jadedj (2008/8/2 17:44:00)

关于这个问题，有没有人解释一下啊~~~

demorgan · 发表于 2011-7-6 10:35:04

顶LS，while到底和解？？为什么不重复？

wtylys · 发表于 2011-8-1 15:05:59

代词不一定在一句话中只能指代一个词的，ＢＹ的说法太绝对了。。

prep-1-130

prep-1-130

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