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标题: [求助]请教feifei逻辑107题 [打印本页]

作者: susander 时间: 2010-4-11 09:49 标题: [求助]请教feifei逻辑107题

107. Because of the recent transformation of the market, Quore, Inc., must increase the next two years, or it will certainly go bankrupt. In fact, however, Quore’s production structure is such that if a 10 percent productivity increase is possible, then a 20 percent increase is attainable.

If the statements above are true, which one of the following must on the basis of them also be true?

A.
It is only Quore’s production structure that makes it possible for Quore to survive the transformation of the market.

B.
Quore will not go bankrupt if it achieves a productivity increase of 20 percent over the next two years.

C.
If the market had not been transformed, Quore would have required no productivity increase in order to avoid bankruptcy.

D.
Because of the transformation of the market, Quore will achieve a productivity increase of 10 percent over the next two years.

E.
If a 20 percent productivity increase is unattainable for Quore, then it must go bankrupt.

答案E，不明白，怎么推出来的呢，B为什么不对呢？
多谢！

作者: 百草花园 时间: 2010-4-11 20:02

我说说我的理解:

Q因为the recent transformation of the market则必然有两个现象发生

1, increase the next two years

2, go bankrupt

然而, 事实上Q的生产结构是, 若10%生产力增加是可能, 则20%是可达到的生产力增加

找下列哪个选项是以上面信息做依据(我觉得很像找从上面信息可得出何种结论)

从上面我们只可推知: 若A（10%生产力增加是可能）, 则B（20%是可达到的生产力增加）; 但有B未必可推出A, 所以B选我们推不出Quore will not go bankrupt

相反地,若非A, 则非B,所以ANS:E,

请指教

作者: susander 时间: 2010-4-12 06:48

多谢了，还真复杂……

作者: hedgeforfu 时间: 2010-4-13 06:53

同请教这道问题，我一直认为是B.

前提背景：

a.increase the next two years

b.go bankrupt

if not a ,则b

E中认为没有达到20%就会go brankrupt.　可前提中并没界定具体要求的比例啊

很绕，请各位伙伴NN帮忙理一下　多谢！！！！

作者: liuzhenlin 时间: 2010-4-14 06:51

我做这道题时也不明白,想来想去

觉得肯定是" Quore, Inc., must increase the next two years, "这句中间少了条件,要不怎么也推不出来答案

作者: zhengxing 时间: 2010-4-15 20:38

increase 是not go bankrupt 的必要条件～（“must increase the next two years, or it will certainly go bankrupt”）

而这个公司只要有productivity increase, 20%的increase是肯定的，所以说20%的increase是not go bankrupt 的必要条件；如果达不到20％ increase, 公司就要破产。选E。

B的错误在于把20％ increase变成了充分条件（只要有20％increase, 公司就不会破产）；按原文，20％ increase是必要条件（"must increase")。

作者: douding 时间: 2010-4-16 01:54

increase 是not go bankrupt 的必要条件～（“must increase the next two years, or it will certainly g ...
zhengxing 发表于 2010-4-15 20:38

right

作者: giflier 时间: 2010-4-16 06:51

increase 是not go bankrupt 的必要条件～（“must increase the next two years, or it will certainly g ...
zhengxing 发表于 2010-4-15 20:38

这个你怎么肯定的?题目中只说了,公司增长10%的生产力能带来20%的increase能带来

只要增长只能10%么?

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