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题库 / Prep2012-CR-32
In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand. Teruvia's total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably. Teruvia's population, however, will be increasing significantly for years to come. Clearly, therefore, Teruvia will soon have to begin importing rice.
Which of the following is an assumption on which the argument depends?
No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia.
Not all of the acreage in Teruvia currently planted with rice is well suited to the cultivation of rice.
None of the strains of rice grown in Teruvia are exceptionally high-yielding.
There are no populated regions in Teruvia in which the population will not increase.
There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia.
因果推理，答案取非后反驳结论。emmm错了是因为没看懂A这个选项就直接跳过去了。本来选的是C，但是题目已经告诉了我们总的产量是不会变的。就算C说的发生了产量很高的种类的小稻，但同时也会有些产量低的呀，所以就平衡了。
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