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标题: gwd4-7 [打印本页]

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作者: wyy2010    时间: 2009-2-18 19:08
标题: gwd4-7

Q7:

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?

 

1. Many customers of Colson’s are expected to do less shopping there than they did before the SpendLess store opened.

2. Increasingly, the stores that have opened in the central shopping district since Colson’s opened have been discount stores.

3. At present, the central shopping district has as many stores operating in it as it ever had.

4. 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.

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

为什么选B啊

Q11:

Because ethylene dibromide, a chemical used to fumigate grain, was blamed for the high rate of nerve damage suffered by people who work in grain-processing plants, many such plants switched to other chemical fumigants two years ago.  Since then, however, the percentage of workers at these plants who were newly diagnosed with nerve damage has not dropped significantly.  Therefore, either ethylene dibromide was wrongly blamed or else the new chemicals also cause nerve damage.

 

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

 

1. If the new chemicals cause nerve damage, the nerve damage caused would be different from any nerve damage that ethylene dibromide may cause.

2. There are no chemical fumigants that are completely safe for workers in grain-processing plants.

3. If ethylene dibromide causes nerve damage, it does not take two years or longer for that damage to become detectable.

4. Workers at grain-processing plants typically continue to work there even after being diagnosed with nerve damage.

5. Workers at grain-processing plants that still use ethylene dibromide continue to have a high rate of nerve damage.

Q28:

Regulations will not allow a pesticide that is toxic to humans to be used inside houses unless the pesticide will dissipate completely from the air within eight hours after its application.  One test that pesticide manufacturers standardly use to determine how quickly anti-termite pesticides dissipate involves spraying the pesticides on the walls of room-sized plywood boxes and then timing its dissipation.

 

Which of the following would it be most useful to know in order to evaluate whether a dissipation time of just under eight hours on the manufacturers’ test indicates that an anti-termite pesticide that is toxic to humans obeys regulations for use in houses?

 

1. Whether anti-termite pesticides dissipate more slowly in furnished rooms than in plywood boxes

2. Whether people who apply anti-termite pesticide standardly wear protective equipment that prevents them from being exposed to the pesticide

3. Whether people whose house is being treated with anti-termite pesticide generally know that they should remain out of their house during the hours immediately after the pesticide’s application

4. Whether there are anti-termite pesticides that are toxic to humans that, when subjected to the manufacturers’ test, dissipate completely from the air in the boxes in well under eight hours

5. Whether anti-termite pesticides that are not toxic to humans tend to take longer to dissipate than those that are toxic

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作者: NOmoreTears    时间: 2009-2-19 16:18

第七题有点难 其它两道很简单

7题重在读原文 原文给了两个陈述 后一个用来证明前一个 但是没说出具体道理 所以需要推理

根据原题N多折扣店需要关门是因为竞争不过S店 但是那地方不会闲置（结论）

因为Colson’s将其竞争对手踢出局之后还是有new store 在关闭的那些商店上建立起来(原因）

WEAKEN 结论 正确答案需要说明那地方还是会闲置 B选项直接说明在Colson成立的五年内那地方开门的都是些打折店 因此最终还是竞争不过S店 还是要关门（你可能会想：关门不代表一定闲置 因为他们关门也不是一起关 这个想法没错 但是多余了 因为关门会增大闲置的可能性 这就足够了）

A选项讨论顾客的消费选择 无关

B选项说明现在这个地区门庭若市 正好与闲置相反

D选项讨论人口 跟商店无关

E选项说明商店卖出物品的独特性 不能说明闲置与否 就算能 也是说明了其在竞争中不会关门 与地区闲置相反

如果需要接下2题的分析请告知

祝好运！

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作者: memory1230    时间: 2009-4-15 16:20

Q7

 
            
            
            
            
            
        

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这道题答案选B, 我的理解是，
                在最近
                打折店Go竞争不过Sp, 但是预计未来那里不会空很久，因为就像在过去5年Co （非打折店）
                的情况一样，虽然很多店因为竞争不过Co而倒闭了，但是一直有新的店开张
                    

答案B说，在过去5年，Co开张后，那些倒闭的竞争对手的地方新开张的店更多是打折店，而不是与Co竞争的非打折店，因为它们竞争不过Co。这反对了原文的推理过程。
                    

前提：因为就像在过去5年Co （非打折店）
                的情况一样，虽然很多店因为竞争不过Co而倒闭了，但是一直有新的店开张
                    

结论：现在打折店里面Go竞争不过Sp, 但是那里不会空很久，会有新的打折店开张
                    

B选项说
                因为竞争不过Co，很多新开的店都变成打折店，而现在打折店又出了一个高手Sp, 所以很多在过去5年新开的打折店会遇到问题, 最后这个地方别的店都开不下去了，因为遇到了两大高手。
                    

这里要关注时间的先后,文章的推理是根据以前的情况推将来.

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