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og 202

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楼主
发表于 2006-3-1 14:13:00 | 只看该作者

og 202

202.Gortland has long been narrowly self-sufficient in both grain and meat. However, as per capita income in Gortland has risen toward the world average, per capita consumption of meat has also risen toward the world average, and it takes several pounds of grain to produce one pound of meat.??? Therefore, since per capita income continues to rise, whereas domestic grain production will not increase, Gortland will soon have to import either grain or meat or both.没看懂



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


(A) The total acreage devoted to grain production in Gortland will not decrease substantially.


(B) The population of Gortland has remained relatively constant during the country’s years of growing prosperity.


(C) The per capita consumption of meat in Gortland is roughly the same across all income levels.


(D) In Gortland, neither meat nor grain is subject to government price controls. E


(E) People in Gortland who increase their consumption of meat will not radically decrea se their consumption of grain.


沙发
发表于 2006-3-1 14:42:00 | 只看该作者

我先解释一下题目的意思:


G国在粮食和肉上可以自给自足,但是现在吃肉的人多了因为收入涨了,而一斤肉要几斤粮食(比如猪只有吃了几斤粮食才长一斤肉),因此当收入继续增长,而该国的谷物产量没有涨,则G国需要进口谷物或者肉,或者都要进口。

板凳
 楼主| 发表于 2006-3-2 11:19:00 | 只看该作者

对于e选项取非


那些增加肉的消费的人会减少对谷物的消费


减少了对谷物的消费,所以肉产量也会增大,就不用进口了,是这个意思么,所以取非后与原文矛盾,选e

地板
发表于 2006-3-12 13:08:00 | 只看该作者

应该就是这样子的……

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