【OG24-738题】Duckbill dinosaurs, like today's monitor lizards, had particularly long tails, which they could whip at considerable speed. Monitor lizards use their tails to strike predators. However, although duckbill tails were otherwise very similar to those of monitor lizards, the duckbill's tailbones were proportionately much thinner and thus more delicate. Moreover, to ward off their proportionately much larger predators, duckbills would have had to whip their tails considerably faster than monitor lizards do. The information given, if accurate, provides the strongest support for which of the following hypotheses？_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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Duckbill dinosaurs, like today's monitor lizards, had particularly long tails, which they could whip at considerable speed. Monitor lizards use their tails to strike predators. However, although duckbill tails were otherwise very similar to those of monitor lizards, the duckbill's tailbones were proportionately much thinner and thus more delicate. Moreover, to ward off their proportionately much larger predators, duckbills would have had to whip their tails considerably faster than monitor lizards do.

The information given, if accurate, provides the strongest support for which of the following hypotheses？

If duckbills whipped their tails faster than monitor lizards do, the duckbill's tail would have been effective at warding off the duckbills' fiercest predators. Duckbills used their tails to strike predators, and their tailbones were frequently damaged from the impact. Using their tails was not the only means duckbills had for warding off predators. Duckbills were at much greater risk of being killed by a predator than monitor lizards are. The tails of duckbills, if used to ward off predators, would have been more likely than the tails of monitor lizards to sustain damage from the impact.

正确答案： E

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题干翻译
巨蜥用尾巴攻击捕食者。然而，尽管鸭嘴兽尾巴在其他方面与巨蜥尾巴很相似，但鸭嘴兽的尾骨按比例更细且更脆弱。此外，为了抵御比自身大得多的捕食者，鸭嘴兽必须比巨蜥更快地甩动尾巴。如果这些信息准确，提供最强支持的是以下哪个假设？ 逻辑链
Duckbill tails thinner, faster, fragile 问题类型
加强题（通过给定信息支持假设） 推理过程
已知鸭嘴兽尾骨更细更脆弱，且要更快甩动尾巴来抵御更大捕食者，那么在抵御捕食者时，鸭嘴兽尾巴相比巨蜥尾巴更易因撞击受损。 选项分析
A选项：仅说鸭嘴兽更快甩尾就有效抵御最凶猛捕食者，未提及尾巴受损情况，与题干强调的尾巴脆弱等信息关联不大，无法加强，排除。 B选项：说鸭嘴兽用尾巴攻击且尾骨常因撞击受损，但没有与巨蜥尾巴对比，题干是要找基于给定信息能得到的假设，该选项力度不足，排除。 C选项：讨论鸭嘴兽抵御捕食者的其他方式，与尾巴是否更易受损无关，话题不一致，排除。 D选项：比较鸭嘴兽和巨蜥被杀死的风险，而题干重点是尾巴在抵御捕食者时受损情况，话题不一致，排除。 E选项：明确指出鸭嘴兽尾巴若用于抵御捕食者，比巨蜥尾巴更易因撞击受损，符合推理过程，加强了假设，当选。

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