2019年1月19日GRE逻辑机经提分先看 调整逻辑思路刷机经更有效
- 2019年01月11日17:53 来源:小站教育作者:小站GRE编辑
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2019年1月19日场次GRE逻辑阅读机经发布,本篇机经包含对1月19日GRE阅读中逻辑阅读题目的内容盘点以及逻辑链分析,帮助大家理顺思路做好逻辑烧脑难题,一起来看!
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逻辑阅读
Upon maturity, monarch butterflies travel hundreds of miles from their places of origin and lay their eggs on milkweed. The caterpillars that emerge feed on milkweed and absorb the glycosides in milkweed sap. The specific glycosides present in milkweed differ from region to region within the monarch butterfly’s range. Mature butterflies retain the glycosides in a mature monarch butterfly could be used to determine its place of origin.
Which of the following, if true, most strengthens the argument?
A. Mature monarch butterflies do not feed on parts of milkweed that contain glycosides.
B. The glycosides in milkweed sap are slightly toxic to caterpillars of other species.
C. The vast majority of the monarch butterflies that are laying eggs in a given region will have traveled there from a single region.
D. There are substances other than glycosides in milkweed sap that accumulate in a monarch caterpillar and are retained in the body of the mature butterfly.
E. There are certain glycosides that are found in the sap of all milkweeds, no matter where they grow within the monarch butterfly’s range.
答案:C
只有C选项是加强了上文的论点。A削弱 B无关 D削弱 E削弱
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