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linlin的lsat(6)谢谢!

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楼主
发表于 2003-4-29 16:48:00 | 只看该作者

linlin的lsat(6)谢谢!

19. Some good cooks are gourmet cooks who pride themselves on always using extravagantly rich ingredients in elaborate recipes. Some good cooks can be characterized as fast-food cooks. They may use rich ingredients as long as the recipes are easy to follow and take little time. Other good cooks are health food enthusiasts, who are concerned primarily with the nutritional value of food. But even though not all good cooks are big eaters, they all enjoy preparing and serving food.

If the information in the passage is true, which one of the following CANNOT be true?

(A) Most good cooks do not use extravagantly rich ingredients.

(B) Everyone who enjoys preparing and serving food is a good cook.

(C) More good cooks who use extravagantly rich ingredients are big eaters than are good cooks who do not use such ingredients.

(D) There are fewer good cooks who enjoy serving and preparing food than there are good cooks who are big eaters.

(E) Gourmet cooks, fast-food cooks, and cooks who are health food enthusiasts are all big eaters.
答案是D
我的问题:我认为D和E都对啊!
D的原因是不是:the number of good cooks who enjoy serving and preparing food >=the number of good cooks who are big eaters。对不?
但是E也不对啊!文中不是说:not all good cooks are big eaters.E中不是说are all big eaters吗!不正好相反吗?那为什么不选E呢??(抓耳挠腮的搞不懂,呵呵)
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.

22. 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.
答案是:D
我的问题:为什么C不对啊!
文中的关系不应该是这个样子的吗:regulations put into effect-->increase in violations--->greater number of parking fines--->revenues increase.(应该是这个样子吧!)
而C不就是regulations put into effect-->revenues increase吗?为什么不对!哪里错了啊!
23. The function of government is to satisfy the genuine wants of the masses, and government cannot satisfy those wants unless it is informed about what those wants are. Freedom of speech ensures that such information will reach the ears of government officials. Therefore, freedom of speech is indispensable for a healthy state.

Which one of the following, if true, would NOT undermine the conclusion of the argument?

(A) People most often do not know what they genuinely want.

(B) Freedom of speech tends ultimately to undermine social order, and social order is a prerequisite for satisfying the wants of the masses.

(C) The proper function of government is not to satisfy wants, but to provide equality of opportunity.

(D) Freedom of speech is not sufficient for satisfying the wants of the masses: social order is necessary as well.

(E) Rulers already know what the people want.
答案是:D
我的问题是:削弱的题用不用搞清楚文中每句话之间的逻辑关系!我现在对这道题的关系只能看到这个程度:government satisfy wants--->know about what those wants are.(这是我能看出来的)Freedom of speech  ensures that such information will reach the ears of government officials.(看到这逻辑关系就乱了!不知道这个freedom of speech 该放在哪里?是个什么条件啊)结论:freedom of speech is indispensable for a healthy state.这个freedom of speech应该是a healthy state的必要条件???(总之一句话逻辑关系太乱了,以至于看选项的时候没有个方向,完全凭感觉!)







沙发
发表于 2003-4-29 19:57:00 | 只看该作者
19  
   一些Some good cooks 是 gourmet ,一些good cooks 是fast-food cooks,最后一些是health food

enthusiasts。
    But even though not all good cooks是BIG EATER,但所有的they all enjoy preparing and serving food.

    A B C E皆为可能对也可能不对,D必错:因为good cooks并不100%是BIG EATER,但100%是enjoy

preparing and serving food.换句话说good cook中enjoy preparing and serving food一定大于等于(不小

于)BIG EATER。
    请注意E的表述:文章讲的是good  cook是gourment,fast,health,E是在讲gourment,fast,health而不是

good cook与文章完全没有关系,所以也是可能对。
板凳
发表于 2003-4-29 20:06:00 | 只看该作者
19、题目要求“不可能是正确的”,文中用了“”EVEN THOUGH“,表达的是即使,不是确定,所以不一定不对。
地板
发表于 2003-4-29 20:12:00 | 只看该作者
22
文章第一部分将新规则肯定带来REVENUE,第二部分将新规则——犯规——FINE。当中很明显的缺乏桥梁,即FINE多并不一定推出REVENUE也多。
题干已假设题目正确,所以要在FINE/REVENUE间架桥 。D指出MORE TICKET  ,MORE REVENUE。
A B C E是无关选项。象C这种选项  如果LSAT做多了 第一眼就可以排除 ,“无关”这是做CR的第一要务。
5#
发表于 2003-4-29 20:17:00 | 只看该作者
19  ”EVEN THOUGH“,表达的是即使还是确定,是不重要的,无论那种解释E都是可对可不对,原因如我之前所述
6#
发表于 2003-4-29 20:28:00 | 只看该作者
23
LSAT喜欢用UNLESS ,ONLY IF,IF ONLY,它有一类题是专门考这些词的用法的,GMAT不考,本题也不在考察这些知识点。

文章最后给出的是必要条件——indispensable ,D指出还有其他必要条件,并没有对文章的结论进行WEAKEN。

其他选项都对文章的某句进行了WEAKEN,严格的将  本题完整的逻辑关系没有看清的话不影响解题。
7#
发表于 2003-4-29 20:40:00 | 只看该作者
22. C的问题在于句子的含义和逻辑关系的层次. 首先C的意思是只有能增加收入才会实施. 这在原文是没有的. 我感觉分析逻辑关系是解决某些题目的要点. 但首要是理解. 还有逻辑关系本身是一种因果关系, 伴随的是其结论. 举例说明: "如果实施, 那么收入增加"是一层逻辑(因果)关系. 由此得出的结论是:如果这个措施实际上被实施了, 那么收入一定增加; 如果收入实际上没有增加, 那么措施一定是没有被实施. C本身是一层逻辑关系, 并不是逻辑关系的结论. 而这曾逻辑关系本身是不能从原文得到的. 如果C改为:如果实际上实施了,收入一定会增加, 就是原文逻辑关系的结论, 才成立.

23. 是否需要仔细分析逻辑关系因题而异. 此题我认为最重要的还是对意思的理解和对原文逻辑关系的粗线条理解. D是一种典型. 如果A是B的必要条件, C也是B的必要条件不能undermine原来的逻辑推理, 因为这是在原来的逻辑关系之外. 其它选项都是直接影响了原文中的逻辑关系.
8#
发表于 2003-5-1 11:55:00 | 只看该作者
同意laserlee意见
22
C逻辑关系为an increase in city revenues ->institute new parking regulations
与原文中逻辑关系相反,也就是原文只能推出institute new parking regulations ->fine collected,为了得出结论institute new parking regulations -〉revenue increase
必须架桥fine collected-〉revenue increase。如d

9#
发表于 2003-5-1 11:57:00 | 只看该作者
以下是引用mindfree在2003-4-29 20:40:00的发言:
22. C的问题在于句子的含义和逻辑关系的层次. 首先C的意思是只有能增加收入才会实施. 这在原文是没有的. 我感觉分析逻辑关系是解决某些题目的要点. 但首要是理解. 还有逻辑关系本身是一种因果关系, 伴随的是其结论. 举例说明: "如果实施, 那么收入增加"是一层逻辑(因果)关系. 由此得出的结论是:如果这个措施实际上被实施了, 那么收入一定增加; 如果收入实际上没有增加, 那么措施一定是没有被实施. C本身是一层逻辑关系, 并不是逻辑关系的结论. 而这曾逻辑关系本身是不能从原文得到的. 如果C改为:如果实际上实施了,收入一定会增加, 就是原文逻辑关系的结论, 才成立.




怎么越看越糊涂...555..
看来这就是我与逻辑高手的差距了.
10#
发表于 2003-5-1 15:16:00 | 只看该作者
22题的结构是“如果新的停车规则实施,则会导致财政收入增加。理由是,新规则会导致违规的增多,违规的增多会导致罚款增多,(进而增加财政收入)。”
22题的问实际上是问必要条件,C的意思是只有会增加财政收入才会实施新的泊车规则,这个说法已经超出了文中所给出的逻辑问题的范畴,文中只是解释了新泊车规则和财政收入的正向关系,并没有讲新规则的实施是以增加财政收入为前提的。而D正好可以衔接罚款增多和财政收入增多的关系。
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