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标题: 求助!!!狒狒逻辑64题求解! [打印本页]

作者: steinlala    时间: 2011-6-23 06:55     标题: 求助!!!狒狒逻辑64题求解!

If the city council institutes new parking regulations, city revenues will surely increase, since studies have conclusively shown that, if such parking regulations are put into effect, there is an increase in parking violations, and an increase in parking violations will result in a greater number of parking fines collected.

64. If the statements in the passage are true, which one of the following must also be true?

A.    Unless there is an increase in the number of parking violations in the city, city revenues will not increase.
B.    If the city council institutes new parking regulations, the council will fall from favor with the citizens.
C.    The city council will institute new parking regulations only if an increase in city revenues can be expected to result.
D.    If the city council’s new regulations cause more parking violators to be ticketed, the city revenues will increase.
E.    Unless the city institutes a complex system of parking regulations, the city cannot expect traffic violations to increase.

我明白答案D是怎么回事,但我觉得A也对。。
作者: winny0821    时间: 2011-6-23 21:11

题目说的是;新的停车规则若实施,会增加财政收入。因为研究表明规则实施会导致更多的违规行为,而更多的违规行为会创造更多的罚款。

A. 除非违规数量增加,否则财政收入不会增加。
原命题是违规数量增加导致更多罚款从而导致更多的财政收入 但不表明违规数量增加是财政收入增加的唯一途径。从原命题中只能得出‘若是财政收入没有增加,则违规数量也没有增加".
作者: vansonkated    时间: 2011-6-29 21:03

A这个是给好的FACT.不能怀疑。

最近总结发现逻辑题里总包含三个部分,
第一部分一般是个FACT,阐明该题的背景或一些必须知道的相关知识;
第二部分通常是基于这个FACT,再给出个EVIDENCE,用来直接支持之后的结论;
第三部分就是得出的结论了,一般由Evidence推理而来。

一般分析的都是后两者的关系,第一部分一般不攻击的。最多是看看第三部分推出的结论是否与第一部分相冲突。

本题一开始就给出了只要实施new parking regulations, city revenues will surely increase,这个就是一部分,不用怀疑其正确性,所有的推理必须建立在其成立的基础上。
作者: steinlala    时间: 2011-6-30 06:47

谢谢!~~~




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