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GMAT逻辑题型总结-智课教育.pdf

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GMAT逻辑题型总结-智课教育

智 课 网 G M A T 备 考 资 料 GMAT逻辑题型总结-智课教育 逻辑提干如何读。 逻辑部分解题首先要学会怎样读提干,读提干的主要目的就是找题 目的前提和结论,尤其是在假设、支持、削弱和评价题当中。要找前提 和结论,我们首先要知道前提和结论的提示词有哪些,有哪些词就可以 判断出来是前提或结论。 Premise Indicators(前提的提示词):because/since/for/for example/for the reason that/as indicated by/due to/owing to/this can be seen from/we know this by… Conclusion Indicators(结论标志词):thus/therefore/hence/co nsequently/as a result/so/accordingly/must be that/shows that/conclude that/follows that/for this reason… 知道前提和结论的提示词后我们应该干什么呢? 一、当前提和结论完整时。 1、明确提干推理——是现象解释还是方案解决或者…… 1)如果是现象解释。应该要注意原因,在做假设或者支持题时,要 注意原因具有唯一性,在做削弱题时就要证明有它因导致结果发生。 2)方案解决。方案解决通常是为了达到某个目的而采取了某种方案 。 2、例题分析。 1)现象解释类题目。 Statistics over four consecutive years showed that four percent more automobile accidents happened in California during the week following the switch to daylight saving time and during the week following the switch back to standard time than occurred the week before each event. These statistics show that these time changes adversely affect the alertness of California divers. The conclusion in the argument above is based on which of the following assumptions? (A) Drivers in California as well as those in the rest of the United States have similar driving patterns. (B) The observed increases in accident rates are due almost entirely to an increase in the number of minor accidents. (C) Four years is not a sufficiently long period of time over which to judge the phenomenon described. (D) There are no other factors such as school vacations or holiday celebration that cause accident rates to rise during these weeks. (E) A time change at any other time of years would not produce a similar increase in accident rates. 例题解析:连续四年的数据都显示(现象或陈述事实),当时间转到 夏令时,有4%更多的机动车事故发生是在加利福尼亚 ,当时间转回到 正常时间时,交通事故率也很高。(两个时间一种现象)。这些数据显示 出来,时间的改变实际上影响了加利福尼亚司机的灵敏度。(结论) 关键词:switch

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