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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.>>

>>

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.

请问C是什么意思?

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所有的收入层人均消费肉的数量基本一样,也就是说不管有钱没钱,消费肉的数量基本一样

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谢谢哈!

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请问A是什么意思?OG的解释看的不是很懂Choice A is incorrect. The argument does not assume that grain production in Gortland will decline only that demand for grain will increase

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 关于A选项,我们先回题目

“it takes several pounds of grain to produce(且当转化来理解) one pound of meat”

同样在题目,income increase-->per capita consumption of meat increase

在meat产量不变的情况下,要满足新增加的meat需求,有两个途径

1.import(grain,用来转化为meat;meat,直接满足需求;二者都进口,从两方面满足新meat需求)

2.自给自足,当grain和meat产量都constant的时候,只可能靠『self-sufficient grain』转化为meat,因此对于『self-sufficient grain』的需求也有增加,就是解释中的“only that demand for grain will increase”。

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