7月GMAT逻辑机经:跳蚤是害虫.

　　7月13日GMAT机经换库了，现在就由小编来为大家整理七月份的GMAT逻辑机经整理，下面是关于GMAT逻辑机经的相关问题，分享给大家，希望对大家有所帮助，文中观点仅供参考。

　　“GMAT机经”这个名词的由来和托福机经有关。机经指的是上机考试经验，最先起源于托福考试，即对上机考试题目的回忆总结。GMAT考试包含AWA, IR, Quantitative和Verbal题目类型，而Verbal又包含SC,CR,RC三部分，Quantitative包含PS和DS两部分。

　　【原始题目】

　　【V1】deer tick带细菌传染人的，prep里面应该有原题，But Question was asking which statement provides the strongest support. 【wanejane】

　　【PREP原题】

　　1. Lyme disease is caused by a bacterium transmitted to humans by deer ticks. Generally deer ticks pick up the bacterium while in the larval stage from feeding on infected white footed mice. However, certain other species on which the larvae feed do not harbor the bacterium. Therore, if the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease—would likely decline.

　　Which of the following, if true, most strengthens the argument?

　　A. Ticks do not suffer any adverse consequences from carrying the bacterium that causes Lyme disease in humans.

　　B. There are no known cases of a human’s contracting Lyme disease through contact with white-footed mice.

　　C. A deer tick feeds only once while in the larval stage.

　　D. A single host animal can be the source of bacteria for many tick larvae.

　　E. None of the other species on which deer tick larvae feed harbor other bacteria that ticks transmit to humans.

　　【题目分析】

　　逻辑链：1)L疾病来自跳蚤2)幼虫期以被感染的白鼠为食的跳蚤才携带病毒3)幼虫期食用其他食物的跳蚤不携带病毒

　　?增加吃别的食物的跳蚤种类就可以减少L疾病的患者了

　　破题思路：这题的key point主要是排他，即：传染L疾病的幼虫除了白老鼠，就不吃其他的东西了，其他种类的跳蚤亦然(即它们除了自己的食物不会去吃白鼠)。这样一来，很容易就直接选定C。

　　A，无关。携带病菌的跳蚤会不会被病菌反噬不是我们讨论的重点。

　　B，无关。题目并没有提及老鼠会直接传染人类。

　　D，削弱。如果一只老鼠可以为多只幼虫所食，那么绝对不会有助于减少以白鼠为食的幼虫!!

　　E，提及other bactria，out of scope。

　　以上就是对于7月GMAT逻辑机经的相关介绍，希望对大家备考GMAT考试有所帮助，文中观点仅供参考。