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于是版本是2015年的……
56. 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 People in Gortland who increase their consumption of meat will not radically decrease their consumption of grain.
这题我选B,因为对肉的消费的总量是人均X人口,如果不能确定人口是否稳定那总量也无法确定。但是答案选E,解释是这题说的是人均基础上的变化,不是人口总体基础上的变化……我在想是不是可以这样解释,B选项说的是在这个国家繁荣发展期间人口保持稳定,但是结论是这个国家will需要进口BALABALA,而至今为止人口都稳定并不代表之后人口也会稳定,所以这个选项其实等于啥也没说……?不知道想得对不对,求大神点醒我! |
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