【OG24-663题】Farmer: Worldwide, just three grain crops-rice, wheat, and corn-account for most human caloric intake. To maintain this level of caloric intake and also keep pace with global population growth, yields per acre from each of these crops will have to increase at least 1.5 percent every year, given that the supply of cultivated land is diminishing. Therefore, the government should increase funding for research into new ways to improve yieldsWhich of the following is an assumption on which the farmers argument depends?_mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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Farmer: Worldwide, just three grain crops-rice, wheat, and corn-account for most human caloric intake. To maintain this level of caloric intake and also keep pace with global population growth, yields per acre from each of these crops will have to increase at least 1.5 percent every year, given that the supply of cultivated land is diminishing. Therefore, the government should increase funding for research into new ways to improve yields

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

It is solely the governments responsibility to ensure that the amount of rice wheat, and corn produced worldwide keeps pace with global population growth Increasing government funding for research into new ways to improve the yields per acre of rice, wheat, and corn crops would help to increase total worldwide annual production of food from these crops Increasing the yields per acre of rice, wheat, and corn is more important than increasing the yields per acre of other crops Current levels of funding for research into ways of improving grain crop yields per acre have enabled grain crop yields per acre to increase by more than 1.5 percent per year worldwide In coming decades, rice, wheat, and corn will become a minor part of human caloric intake, unless there is government-funded research to increase their yields per acre

正确答案： B

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题干翻译
为了满足热量摄入水平并跟上全球人口增长，鉴于耕地供应减少，这些作物（水稻、小麦和玉米）的单产每年至少要增长1.5%。因此，政府应该增加对提高产量新方法研究的资金投入。 逻辑链
单产需增→政府应增研究资金 问题类型
假设题（找出论点依赖的假设） 推理过程
论点是政府应增加研究资金，论据是作物单产需要增长。那么潜在假设就是增加政府研究资金能帮助提高这些作物的总产量，从而实现单产增长以满足需求。 选项分析
A选项：确保全球水稻、小麦和玉米产量跟上人口增长完全是政府的责任。重点在政府责任，而非资金与产量的关系，与论点依赖的假设无关，排除。 B选项：增加政府对提高水稻、小麦和玉米单产新方法研究的资金将有助于增加这些作物的全球年度总产量。建立了资金投入和产量增加的联系，是论点成立的必要假设，当选。 C选项：提高水稻、小麦和玉米单产比提高其他作物单产更重要。比较的是不同作物单产的重要性，与政府资金投入能否提高产量无关，排除。 D选项：目前提高谷物单产的研究资金水平已使全球谷物单产每年增长超过1.5%。说的是目前资金效果，不能说明增加资金是否有用，与论点依赖假设无关，排除。 E选项：未来几十年，除非有政府资助的研究来提高单产，否则水稻、小麦和玉米将成为人类热量摄入的次要部分。强调的是作物在热量摄入中的地位，而非资金与产量增长的联系，排除。

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