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?
Many customers of Colson’s are expected to do less shopping there than they did before the SpendLess store opened.
Increasingly, the stores that have opened in the central shopping district since Colson’s opened have been discount stores.
At present, the central shopping district has as many stores operating in it as it ever had.
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.
Many stores in the central shopping district sell types of merchandise that are not available at either SpendLess or Colson’s.
答案是Ｂ．我选的是Ａ．
我的理解是：原文给出的条件是，五年前a nondiscount department store开业后，周围很多店关门，但是又开出很多新店．结论是， SpendLess discount department store 开业后，虽然周围也会有很多店关门，但这些店仍旧很快会被新店取代．如果如Ｂ所说，过去５年中新开的店大多数是discount stores，那么可以推导出的结论应该是接下来５年中，这些discount stores关门后也应该有新的种类的店铺来填充空白，不一定就是说明不会有新的店铺开进来啊．所以我觉得这个选项不weaken原来的结论啊．
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发表于 2006-8-9 16:48:00
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