【OG24-695题】Farmer: Several people in the past few years have claimed to have seen a mountain lion in the suburban outskirts—the latest just last month—and, while mountain lions were thought to have been driven from this entire region about twenty years ago, there is no reason for the people who reported seeing a mountain lion to have deliberately concocted a false report. Therefore, local wildlife managers should begin to urgently address the mountain lion's presence.Which of the following would, if true, most seriously weaken the farmer's argument?_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: Several people in the past few years have claimed to have seen a mountain lion in the suburban outskirts—the latest just last month—and, while mountain lions were thought to have been driven from this entire region about twenty years ago, there is no reason for the people who reported seeing a mountain lion to have deliberately concocted a false report. Therefore, local wildlife managers should begin to urgently address the mountain lion's presence.

Which of the following would, if true, most seriously weaken the farmer's argument?

Farmers in the suburban outskirts mostly raise cattle and hogs, which when fully grown are generally not attacked by mountain lions. Mountain lions are dissimilar in size and color to other wild animals found near the suburban outskirts. No person who claimed to have seen a mountain lion had anyone else with them at the purported sighting. There have been no regional reports in the past year of mountain lions migrating to the area. Recent surveys show that more than half of the people in the region report that they have never seen a mountain lion before.

正确答案： C

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题干翻译
二十年前人们认为山狮从整个区域消失了，但有人报告看到山狮，且没有理由认为这些报告是故意编造的虚假报告。因此，当地野生动物管理者应该开始紧急处理山狮存在的问题。 逻辑链
Saw mountain lion → Exist → Urgent address 问题类型
削弱题 推理过程
论点是基于有人报告看到山狮且报告非假，得出管理者应紧急处理山狮存在问题。要削弱需找到能质疑看到山狮报告真实性的因素。 选项分析
A选项：郊区农民饲养的成年家畜一般不被山狮攻击。与山狮是否真的存在无关，无法削弱，排除。 B选项：山狮与郊区附近其他野生动物在大小和颜色上不同。这只能说明山狮的外观特征，不能说明看到山狮报告的真假，无法削弱，排除。 C选项：声称看到山狮的人在所谓看到山狮时都没有其他人在场。这就意味着没有旁证，降低了看到山狮报告的可信度，有力地削弱了论据，从而削弱论点，当选。 D选项：过去一年没有山狮迁移到该地区的区域报告。但这不能排除山狮本身就在该地区存在的可能性，无法削弱，排除。 E选项：该地区超过一半的人报告说他们以前从未见过山狮。以前没见过不代表现在山狮不存在，无法削弱，排除。

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