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GWD7-5 还是有点混

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楼主
发表于 2006-9-14 16:19:00 | 只看该作者

GWD7-5 还是有点混


    

Q5:


    

Exposure to certain chemicals commonly used in elementary schools as
cleaners or pesticides causes allergic reactions in some children.  Elementary school nurses in Renston report
that the proportion of schoolchildren sent to them for treatment of allergic
reactions to those chemicals has increased significantly over the past ten
years.  Therefore, either Renston’s
schoolchildren have been exposed to greater quantities of the chemicals, or
they are more sensitive to them than schoolchildren were ten years ago.


    

 


    

Which of the following is an assumption on which the argument depends?


    

A.    
The number of school nurses employed by Renston’s
elementary schools has not decreased over the past ten years.


    

B.    
Children who are allergic to the chemicals are no
more likely than other children to have allergies to other substances.


    

C.    
Children who have allergic reactions to the
chemicals are not more likely to be sent to a school nurse now than they were
ten years ago.


    

D.    The chemicals are not commonly used as cleaners or
pesticides in houses and apartment buildings in Renston.


    

E.    
Children attending elementary school do not make up
a larger proportion of Renston’s population now than they did ten years ago.


我选了D 后来仔细看看,发现我当时的思路是,在学校的事故是因为家里的原因带出来的

好像错就错在 children in school 和 schoolchildren 是不一样的,这里就讨论人    这么说对吗?

注意,原文里面没有说明区分学校和家庭的使用,原文里面只是说 schoolchildren 而已。


沙发
发表于 2006-9-14 17:31:00 | 只看该作者

C

比起10年前,现在有更多的人被送去校卫生所

结论是通过人数来进行推断的,这人数有它因的话就被削弱

板凳
 楼主| 发表于 2006-9-15 11:53:00 | 只看该作者
我想知道我分析我的错误理解是不是有道理,
因为如果按照那个角度,也能说明他因

地板
发表于 2006-11-15 18:39:00 | 只看该作者

这里的结论是把小孩跟十年前的比较,所以选项C的形式符合正确答案.

我刚开始跟你理解一样.后来自己悟出来了

而且not commonly used不代表不use,没有绝对的排除.

5#
发表于 2007-11-15 19:51:00 | 只看该作者
6#
发表于 2008-10-31 22:36:00 | 只看该作者
以下是引用Jingly在2006-11-15 18:39:00的发言:

这里的结论是把小孩跟十年前的比较,所以选项C的形式符合正确答案.

我刚开始跟你理解一样.后来自己悟出来了

而且not commonly used不代表不use,没有绝对的排除.

解释的很清楚,我懂了。

其实这个题目和OG上的一道削弱题目一个思路。也是什么病,选项是过去没有将得了这种病的人诊断得了这个病。

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