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关于争论的OG RC 高手看看我想法哪里有问题- -

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楼主
发表于 2010-7-14 00:02:10 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
104. Although the discount stores in Goreville’s central shopping district are expected to close within fi ve years as aresult of competition from a SpendLess discount department store that just opened, those locations will not stay vacant for long. In the fi ve years since the opening of Colson’s, a nondiscount department store, a new store has opened at the location of every store in the shopping district that closed because it could not competewith Colson’s.
Which of the following, if true, most seriously weakens the argument?
(A) Many customers of Colson’s are expected to do less shopping there than they did before the SpendLessstore opened.
(B) Increasingly, the stores that have opened in the central shopping district since Colson’s opened have been discount stores.
(C) At present, the central shopping district has as many stores operating in it as it ever had.
(D) Over the course of the next fi ve years, it is expected that Goreville’s population will grow at a faster ratethan it has for the past several decades.
(E) Many stores in the central shopping district sell types of merchandise that are not available at eitherSpendLess or Colson’s.

Answer: B
 
为什么我觉得原来的argument就是seriouly grounless啊。。。两家店C和S本身就是不一样的  那根本就不能类比。。那这些选项有什么用= =
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沙发
 楼主| 发表于 2010-7-14 00:03:26 | 只看该作者
顶一下。。很想搞明白。。
板凳
发表于 2010-7-14 01:15:41 | 只看该作者
对,这个题目是逻辑错误,所以才要你选weaken的选项。。。但没有类比错误的选项,如果有,我觉得也有可能对。
由于Spendless discount,discount stores in Goreville’s central shopping district关闭
同理推 由于Colson’s,nondiscount department store at the location of every store in the shopping district 也会关闭
地板
发表于 2010-7-14 01:22:24 | 只看该作者
所以要把后者原因和结果的推理链断掉。。。B用他因来得出结果。。。
5#
 楼主| 发表于 2010-7-14 20:05:50 | 只看该作者
many thanks~~!!!!
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