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标题: 问两道FeiFei逻辑的题目，谢谢(58 61 ) [打印本页]

作者: atlantiswind 时间: 2013-5-27 06:58 标题: 问两道FeiFei逻辑的题目，谢谢(58 61 )

58. Some people say that the scarcity of food is a function of the finite limits of the earth’s resources, coupled with a relentless rate of population growth. This analysis fails to recognize, however, that much of the world’s agricultural resources are used to feed livestock instead of people. In the United States, for example, almost one-half of the agricultural acreage is devoted to crops fed to livestock. A steer reduces twenty-one pounds of inexpensive grain to one pound of expensive meat. Thus, the scarcity of food is not merely a function of limited resources and population growth.

Which one of the following is an assumption that would allow the conclusion in the argument to be properly drawn?

A.

eople prefer eating meat to eating grain.
B. Meat is twenty-one times more expensive than grain.
C. The limits of the earth’s agricultural resources are not finite.
D. More than one-half of the agricultural acreage in the United States is devoted to drops fed to humans.
E. Growing crops for human consumption on the acreage currently devoted to crops for livestock will yield more food for more people.

看到解释说题目问的是如何反驳作者。。汗。。我怎么觉得这个问题应该是在问作者的结论是基于哪个假设。。大汗。。

p.s.答案选择E。。

61. Investigators concluded that human failure was not responsible for the fatal airplane crash last August, and since that time new and more stringent rules for identifying and reporting mechanical problems have been in effect. That accounts for the fact that reports of airplane mechanical problems have increased in frequency by 50 percent since last August.

Which one of the following is an assumption underlying the argument in the passage?

A. Airplane travel is still relatively safe, despite the increase in reported mechanical problems.
B. Mechanical problems in airplanes have increased dramatically since last August.
C. Mechanical problems in airplanes have not increased by 50 percent since last August.
D. Airlines are less reluctant to report mechanical problems than they previously were.
E. Mechanical problems in airplanes have become easier to detect since last August.

这个题目的意思没有看懂。。求中文翻译= =汗

p.s.答案是C

= =||我觉得我的阅读理解能力怎么突然变差了。。

求助。。谢谢

作者: waytouing 时间: 2013-5-27 19:00

58. 我觉得lz你的理解没错啊，按这个理解答案就是E。

61. 这个问题等同于Which one of the following is an assumption the argument based on?

作者: atlantiswind 时间: 2013-5-28 06:31

58. 我觉得lz你的理解没错啊，按这个理解答案就是E。

61. 这个问题等同于Which one of the following is ...
waytouing 发表于 2013-5-27 19:00

=~是我表达有误~~61题。。我没有看懂。。文章。。~~>_<不知道文章说的是啥。。

58题，我的理解是：
有人说食物的缺乏是因为有限的土地和无限的人口。这个分析是错误因为没有意识到很多农业资源都用于养牲口而不是人类。在美国，一半的土地用于种植牲口吃的植物。【接下来这句不是很明白】。于是，食物的缺乏不仅仅因为资源的限制和人口增长。

问作者的结论基于哪个假设？

唔。。不知道怎么能够得出E这个结论。

作者: konglxd 时间: 2013-5-30 06:25

61 前提and since that time new and more stringent rules for identifying and reporting mechanical problems have been in effect. That accounts for the fact that reports of airplane mechanical problems have increased in frequency by 50 percent since last August. 8月份关于明确和报道机械问题的新的且更加严格的法规出台，这些法规的出台解释了一个现象，即从8月份起关于飞机机械问题的报道频率上涨了50%
结论 Investigators concluded that human failure was not responsible for the fatal airplane crash last August,调查员们认为8月的那场飞机事故与人为失误无关

做这道题可以先用排除法
A完全无关
B飞机的机械问题从八月起剧烈上升（显然与结论相悖，不可能得出结论）
D航空公司不愿意报道飞机机械问题（说明了可能飞机失事时人为失误，与结论相悖）
E从8月起飞机机械问题更加容易被查出（这是个无关选项，整个argument都没有讨论detect的问题，而assumption是要给予argument本身得出的，所以也排除）

C从8月起飞机的本身机械问题没有上升50%（就是说飞机本身的问题小了，可能是与新出台的法规有关。就可以得出8月份的飞机事故不是人为失误，可能是别的其他原因）

作者: atlantiswind 时间: 2013-6-4 20:12

啊~题目是这么回事。。谢谢楼上的耐心解答^_^

那~~不知道有没有人能够回答一下58题呢？谢谢^^

作者: sophieMOON 时间: 2013-6-6 20:24

61 前提and since that time new and more stringent rules for identifying and reporting mechanical pro ...
konglxd 发表于 2013-5-30 06:25

我有一个问题，机械问题是不是属于人为失误呢？如果机械问题和认为失误是两个独立的因素。
那B选项就应该是正确选项啊，结论是飞机失事非人为失误，机械故障多不就是非认为失误吗？怎么会与文章结论相悖呢？

作者: chaos1026 时间: 2013-6-7 19:10

61在我看来更像一个数学题，因为检查严格了，这个主要的原因（注意题目中明确说了That accounts for the fact that report）才导致目前检查到的并上报的机械故障的事件的概率上升了50%，所以那么很显然的必然成立的一个assumption就是C选项所述内容，从去年8月份起，飞机自身出现的机械故障的几率不会超过50%。（否则的话如果飞机自身出现机械故障的几率增长超过50%，同时检测更加严格，那么最终上报的机械故障的几率总和肯定是会大于50%）

作者: echoetmoi 时间: 2013-6-8 05:56

61在我看来更像一个数学题，因为检查严格了，这个主要的原因（注意题目中明确说了That accounts for the fa ...
chaos1026 发表于 2013-6-7 19:10

这个说的有道理被这道题憋的不舒服上来找解释还真找到了

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