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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?

正确答案: B

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og-104 求详解

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发表于 2012-4-14 12:35:50 | 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 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.
背景:虽然由于刚开业的SL折扣店的竞争,G中心地段的折扣店将在5年内关门,但这些地方不会空着。从非折扣店C开业起的5年内,每个关门的店铺处都有一个新店会开张。
问题:削弱。
选项:A:比起SL店开业前,C的顾客购买得更少了
B:在C开业之后开的店中,折扣店越来越多了
C:目前,商业中心的店铺数量跟以前一样多
D:接下来的5年,G的人口增长率会增加
E:很多中心区商店的商品在SC店都买不到



不明白折扣店多了,跟文章有什么联系?
文中想要削弱的对象是什么?
在此谢谢各位大神。


背景:虽然由于刚开业的SL折扣店的竞争,G中心地段的折扣店将在5年内关门,但这些地方不会空着。从非折扣店C开业起的5年内,每个关门的店铺处都有一个新店会开张。
问题:削弱。
选项:A:比起SL店开业前,C的顾客购买得更少了
B:在C开业之后开的店中,折扣店越来越多了
C:目前,商业中心的店铺数量跟以前一样多
D:接下来的5年,G的人口增长率会增加
E:很多中心区商店的商品在SC店都买不到



不明白折扣店多了,跟文章有什么联系?
文中想要削弱的对象是什么?
在此谢谢各位大神。
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沙发
发表于 2012-4-14 20:35:51 | 只看该作者
本题是一个平行推论。
原因:5年前,nondiscount店C的开业挤掉了shopping district的其他nondiscount店,但不久这些倒掉的店的空位被其他新开的店填满。
结论:同理可知,5年之后,被discount店S挤掉的discount店的空位也会被其他店填满。
削弱:既证明被s挤掉的店位不会被填满。

对于类比题,首要思路就是:因为两者本质不同,所以不能类比。那么,到底哪里是不同的呢?

————————————————————————————————
我表示,想到这里看选项压根看不出B,因为B告诉我们填空位的店是discount店,而题目中的结论没有告诉我们去填S挤掉的空位的店是discount还是nondiscount。。。这能说明两者本质不同吗?

然而,这道题其实有一个隐含条件,是很难发现的。那就是:C的店开在S店的前面!所以,既然C店已经挤掉了所有的nondiscount店,后来填补S挤掉的空缺的店,就不可能是nondiscount店,因为会被C给挤掉。

由此我们得出:两者不能类比,因为有了那个隐含条件,即填补C挤掉的空缺的店可以选择discount,而去填补S挤掉的空缺的店已经没有选择鸟。

反正我是这么理解的。这题实在太阴晦了。
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