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坦白的说我最近看了很多帖子，就是怕我问了一个很找抽的问题被人砸，但是我都没有找到满意的答案。 逻辑都有五中选二的原则，就是快速地排除3个，在两个中选。 但是我觉得快速排除是一件很难的事情。我看过关于无关有关定义的帖子，说是无故牵扯样本以外的内容。。。。可是我们在做题时有三种情况就是会出现原文没有的新词：他因，explain和补集。 这让我们经常会快速地排除了错误的选项。剩下的两个选项也是怎么看怎么不对就不得把排除的那三个再看一遍，很浪费时间。举个例子 In general, jobs are harder to get in times of economic recession because many businesses cut back operations. However, any future recessions in Vargonia will probably not reduce the availability of teaching jobs at government-funded schools. This is because Vargonia has just introduced a legal requirement that education in government-funded schools be available, free of charge, to all Vargonian children regardless of the state of the economy, and that current student-teacher ratios not be exceeded.
Which of the following, if true, most strengthens the argument?
- The current student-teacher ratio at Vargonia’s government-funded schools is higher than it was during the most recent period of economic recession.
- During recent periods when the Vargonian economy has been strong, almost 25 percent of Vargonian children have attended privately funded schools, many of which charge substantial fees. 比例不变，分子变大分母变大
- Nearly 20 percent more teachers are currently employed in Vargonia’s government-funded schools than had been employed in those schools in the period before the last economic recession.
- Teachers in Vargonia’s government-funded schools are well paid relative to teachers in most privately funded schools in Vargonia, many of which rely heavily on part-time teachers.无关
- During the last economic recession in Vargonia, the government permanently closed a number of the schools that it had funded.削弱
看了答案就会觉得好像很有道理的。可是B偏偏是我最早排除的选项之一，因为它出现了privately一词。这是一个补集，但也可以看做是无故牵扯样本以外的内容。作为无关。。。。 如何才能快速有效地排除无关呢（我自己感觉光凭新词出现是不够的，当然比较有效的是排除时间段以外的，还有加进某个人态度的）请NN们多指教啊。回头看看，我已经突破了很多瓶颈了，好感谢CD啊。这个瓶颈困扰我很久了。急救啊~~~~我的pace全给它扰乱了 | 
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发表于 2008-11-3 11:31:00
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