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标题: GMAT&LSAT CR (LSAT part)Test 1st-21th [打印本页]

作者: viviansecret    时间: 2009-7-15 07:27
标题: GMAT&LSAT CR (LSAT part)Test 1st-21th

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.

21.   Which one of the following is closest, in terms of its logical features, to the reasoning used in the argument above?

(A) Last year’s increase in revenues can be easily explained. That was the year the city council instituted new parking regulations. No doubt the new law brought with it an increase in the number of parking violations.

(B) If taxes were increased, this act would naturally result in increased revenues for the city, and increased revenues would make some desirable social programs possible. So, if taxes were increased, some desirable social programs would become possible.

(C) Henry says that, if the city council goes into closed session, an important matter of personnel policy is being discussed. However, no personnel matters were discussed at the council meeting, so if Henry is right, the council did not go into closed session.

(D) All cars parked on the north side of the street were ticketed last night, and the same cars were towed away this morning. So beware! A car ticketed in this city also gets towed away.

(E) Allen says that, if the city council institutes new parking regulations, it is unlikely that revenues for the city will increase. If Allen is right, then the parking regulation plan should not be instituted.

答案:B。问题是A为什么不对呢?B和原文的相似之处是否可以理解为政府在一个合理的理由(increase revenue or benefit social program)下多收费(fines or taxes)呢?请大牛指教!


作者: qbfnigel    时间: 2009-7-15 16:27

哇 又是这位MM。这些都是LSAT的逻辑。貌似对你有点难度么。建议不要做了,还是做做别的吧。

原文先用了一个貌似于概括的东西。然后再给出条件IF........然后结论。。。。。。B是同样的道理。A的话,逻辑关系混乱。呵呵


作者: viviansecret    时间: 2009-8-21 03:17
UP!不好意思,对之前的解释仍然不是很理解。有难度才要做的啊,都会的东西就没有练习的价值了啊。
[此贴子已经被作者于2009/8/21 3:18:05编辑过]

作者: kevinli120    时间: 2009-8-21 15:37
顶ls,我觉得练了6个LSAT test以后感觉好多了
作者: kevinli120    时间: 2009-8-21 15:42

原文的逻辑是给出一个结论。然后用顺推的逻辑解释他。

结论是new parking regulationsà city revenues will surely increase

原因是parking regulations are put into effectà an increase in parking violationsà a greater number of parking fines collected

B选项就是这个逻辑。A选项的organization显然不是这样的。

这题GMAT不会考,做题不能根据意思看,A意思可能对,但是问题问的是logical features


作者: isaxi    时间: 2009-8-21 16:05
原题的逻辑关系是:A->B B->C 所以 A->C
答案B和这个逻辑过程是完全一致的。





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