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标题: 求助一道逻辑题 [打印本页]

作者: zxc1118zxc    时间: 2012-12-7 07:04     标题: 求助一道逻辑题

36。Although the discount stores in Goreville’s central shopping district are expected to close within five years as a result of competition from a SpendLess discount department store that just opened, those locations will not stay vacant for long.  In the five 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 compete with 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 SpendLess store 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 five years, it is expected that Goreville’s population will grow at a faster rate than it has for the past several decades.




E.       Many stores in the central shopping district sell types of merchandise that are not available at either SpendLess or Colson’s.


谁能帮我解释下,为什么选B。。。纠结死我了
作者: movingever    时间: 2012-12-7 21:01

原题说的是:五年前一家non-discount的商店开业,但是周围因它开业

而倒闭的店铺的位置很快又有其他的新店取代,那么类比之下,如今新开了

一家discount的商店,那么周围的商店就算倒闭也会很快被取代。

问题是:五年前的新店和五年后的新店有区别——五年前可以在大商店周围

开折扣店,以低价取胜,而五年后却无法与大的折扣店竞争,导致weaken。


其他的几个都是irrelevant
作者: movingever    时间: 2012-12-7 21:01

原题说的是:五年前一家non-discount的商店开业,但是周围因它开业

而倒闭的店铺的位置很快又有其他的新店取代,那么类比之下,如今新开了

一家discount的商店,那么周围的商店就算倒闭也会很快被取代。

问题是:五年前的新店和五年后的新店有区别——五年前可以在大商店周围

开折扣店,以低价取胜,而五年后却无法与大的折扣店竞争,导致weaken。


其他的几个都是irrelevant
作者: zxc1118zxc    时间: 2012-12-8 06:36

啊!明白了!多谢!
作者: DXDWSY    时间: 2012-12-9 21:00

题目逻辑:因为与S折扣店竞争不过,很多G地区的折扣店在5年内都要关门;自5年前一个非折扣店C开张后,由于和C竞争不过,这一地区的别的商店都关门了,但一个新商店却在这个地区开张了。→这一地区不会空太久。

思路:如果自从5年前C开张后这一地区新开的商店也都是折扣店呢?(即由于和非折扣店竞争不过转开折扣店,但现在又和折扣店竞争不过,那就没活路了)

答案:
A. 探讨顾客的行为,无关;
B. C开张后再开的都是折扣店,即折扣店和非折扣店都竞争不过,正确;
C. 探讨现在的情况,无关;
D. 探讨G地区的人口增速,无关;
E. 探讨这一地区商店所售商品,无关




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