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标题: 再问指代问题，prep 19 [打印本页]

作者: klhyy 时间: 2008-6-19 12:28
标题: 再问指代问题，prep 19

19. 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, which have

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

E. but at the same time introducing some 100,000 dangerous chemical pollutants, having

对答案没有疑议，想请nn确认下，since they were developed more than 50 years ago. 中的they到底指代的是什么。

我的想法是since句从层次上来讲应该是 Industrialization and modern methods of insect control have improved ...的时间状语从句，因而they指代的是methods。while句之所以用省略形式，就是为了避免，在while they have introduced some 100,000 dangerous chemical pollutants...since 结构中，they可能指代pollutants的歧义。

不知道我有没有说清楚，请NN们帮我解惑！谢谢

作者: xuyidan1210 时间: 2008-6-19 17:26

我觉得THEY不可能指代POLLUTANTS吧。无论从逻辑还是语法，都是优先指代从句WHILE中出现的主语，也就是省略的THEY

作者: klhyy 时间: 2008-6-20 02:26
谢谢mm，顶起来，还是希望有NN来帮忙确认下。

作者: 喝咖啡的狼 时间: 2008-6-20 03:42
Industrialization and modern methods of insect control

作者: rorarora 时间: 2008-6-20 23:46

这道题我这么考虑，

while后面带的其实是从句：subordinate clause.附属于have improved....级别上弱于have improved....

而since实际上是修饰主句：have improved....., since.....所以they应该指代的是主句主语。

作者: songlovegt 时间: 2009-2-27 05:23
不同意楼上的解释

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

如果为了明确修饰主句，Industrialization and modern methods of insect control have improved the standard of living around the globe
since 前面应该用逗号隔开，这样可以避免修饰歧义。
既然没有逗号，明确是修饰 chemical pollutants have gone virtually unregulated since they were developed more than 50 years.

作者: songlovegt 时间: 2009-2-27 05:27
另外如果 since they were developed more than 50 years ago. 是修饰主句的，离修饰对象也太远了，应该放在句首比较合适。

作者: smartsky11 时间: 2009-3-28 11:00
up

作者: xiaoniuren 时间: 2009-4-29 14:31
up

作者: lijiahui0422 时间: 2009-7-21 09:56
从逻辑意思上看 they 确实只能指代methods 说这些方法自50年前开始发展以来，既带来了好处又带来了坏处。

不过6楼说的有道理，since 从句放在句首的话最清楚还没歧义

作者: alibaba_2009 时间: 2009-8-8 14:53
up

作者: lcy19812000 时间: 2009-8-8 15:03

agree with 6th floor

作者: judyenglish 时间: 2009-9-26 12:22
ding

作者: bnuyanghong 时间: 2010-10-10 16:34
各位nn，请问c. while they have introduced some 100,000 dangerous chemical pollutants atthe same time, which have 错在哪儿呢？which指代不清？

作者: 杯具 时间: 2010-12-22 05:26
顶，which为什么指代不清了？

作者: 橘树圣诞节 时间: 2011-2-7 13:27
与楼上同问

作者: lhf80 时间: 2011-2-18 06:58
我选C
while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have 这里they指代 Industrialization and modern methods 。which指代pollutants，最后一个they were developped则和前面一个they指代内容一样methods。所以很清楚啊。也没记得规定说while后面必须省略什么。
然而B里由于之前they没出现过，这里就近指代pollutants感觉意思不对啊，要说指代methods那也相隔太远了吧。当中隔了while...that...since...然后去指代前面一个主语，这个。。。
求nn指点

作者: bunengwangmima 时间: 2011-4-17 16:33
顶顶~~

作者: 夜色微蓝 时间: 2011-4-20 20:39
+1

C选项里面， which have......错在哪里了呢？

作者: aimeedoudou 时间: 2011-4-20 21:56
which指代临近名词，这里临近的是at the same time，这个修饰语隔在which和它想要修饰的对象中间，不太好，我会觉得有指代time的嫌疑。个人见解

作者: Gail小M 时间: 2011-4-21 00:26
songlovegt is right, --they were developed-they refer to "pollutants".

作者: drzard 时间: 2012-1-20 10:41
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作者: gastank 时间: 2012-1-20 10:43
Industrialization and modern methods

作者: 潇湘妃子zwhj 时间: 2012-2-17 20:33
如果句子的意思是，这些methods have+done... while doing... that 修饰 chemical pollutants，而且最后说到，gone virtually unregulated，那么全句的现在完成时have done就正好需要一个相应的时间词since，既然since是配合have done的，那么they必然是指methods的。
跟while那句话没有关系，跟while里面的that定语从句就更没关系了。

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