请教LSAT-5-2-8,LSAT-5-2-9，LSAT-5-2-24

joywzy · 发表于 2003-5-20 19:36:00

Although nondairy coffee lighteners made with coconut oil contain 2 grams of saturated fat per tablespoon, or 7 times more than does whole milk, those lighteners usually contain no cholesterol. Yet one tablespoon of such lighteners causes the consumer’s blood cholesterol to rise to a higher level than does an identical amount of whole milk, which contains 2 milligrams of cholesterol per tablespoon.

8. Which one of the following, if true, contributes most to an explanation of the apparent discrepancy noted above?

(A) Nutritionists recommend that adults consume as little saturated fat as possible and no more than 250 milligrams of cholesterol a day.

(B) One gram of saturated fat in food has roughly the same effect on blood cholesterol as 25 milligrams of cholesterol in food.

(C) Light cream, a dairy product that contains 5 times more cholesterol than does whole milk, is often chosen as a lightener by consumers who normally prefer whole milk.

(D) Certain nondairy coffee lighteners made without coconut oil contain less saturated fat and less cholesterol than does whole milk.

(E) The lower the saturated fat content of dairy products, the less cholesterol they usually contain.

答案：B，不明白为什么B是解释了。

9. Manufacturers of coffee lighteners based on coconut oil claim that their products usually cause the typical consumer’s blood cholesterol to rise to a lower level than does the use of whole milk as a lighteners. Which one of the following, if true, provides the most support for the manufacturers’ claim?

(A) Consumers of lighteners made with coconut oil who avoid other high-cholesterol foods and exercise more than average tend to have lower-than-average blood cholesterol levels.

(B) Coffee is frequently consumed with pastries and other rich desserts that themselves result in high blood cholesterol levels.

(C) One popular nondairy coffee lightener that is not based on coconut oil has reduced its fat content by 20 percent while keeping its cholesterol content at zero.

(D) Consumers typically add to their coffee substantially smaller quantities of coconut-oil-based lighteners than of whole milk.

(E) Most consumers are convinced that whole dairy products increase blood cholesterol and that nondairy coffee lighteners do not.

答案：D，D怎么会是加强了呢。

24. Anthropologists assert that cultures advance only when independence replaces dependence – that is, only when imposition by outsiders is replaced by initiative from within. In other words, the natives of a culture are the only ones who can move that culture forward. Non-natives may provide valuable advice, but any imposition of their views threatens independence and thus progress. If one looks at individual schools as separate cultures, therefore, the key to educational progress is obvious: ______.

Which one of the following best completes the passage?

(A) individual schools must be independent of outside imposition.

(B) some schools require more independence than others, depending on the initiative of their staffs and students.

(C) school system officials must tailor their initiatives for change to each individual school in the system.

(D) outsiders must be prevented from participation in schools’ effort to advance.

(E) the more independent a school is, the more educational progress it will make.

答案：A，　我选了E。完成句子题真难做，不知有什么好办法吗？

谢谢。

mindfree · 发表于 2003-5-21 03:17:00

1. 原文指出coconut milk中有SF而没有C, 但是在使消费者血液中C上升的效果上和含有C的while milk相同, B是选项中唯一指出SF和C在效果上的关系的一个, 应该是正确答案. 我的问题是B的数字好象和原文不相符. 不知道题目有没有打错.

2. 8T中指出同量的nondiary lightener和whole milk在使C上升的作用相同, 9T中却说nondiary可以使C的上升值相对whole milk要小, D指出在使用量上, nondiary lightener用的比whole milk要少, 例如用一勺whole milk的消费者一般只用半勺nondiary lightener支持了结论.

joywzy · 发表于 2003-5-21 15:55:00

非常感谢mindfree,第8,9题,我明白了.

那么24题呢?

rongchao · 发表于 2003-5-22 00:10:00

24.
题目讲到任何强迫接受的观点都可能损坏独立,进而影响到文明的进步,因此在和题目内容相关的答案A,E中,A明确的讲出了必须独立的对象:外界观点的强迫接受.
不知道对不对,请指教

mindfree · 发表于 2003-5-22 00:32:00

昨天没时间了, 所以没看24T.

E的错误和B是一样的, 原文没有提到independence在量上对progress的影响, 我们只知道从质上progress是由independence决定的. 如果你要推出E,你自己要做assumption, 即量化progress和independence.这在做题时是不允许的.

做完成题, 要抓住原文的逻辑关系. 如rongchao所讲, "题目讲到任何强迫接受的观点都可能损坏独立,进而影响到文明的进步", 所以culture要progress, 就不能有imposiiton, 这是大结论. 然后讲学校是culture,所以结论是school不能有imposition. 举个简单的例子:二班的学生如果课外学习的话, 成绩会更好. 小笨是二班的, ________. 答案是小笨如果课外学习成绩会更好, 而不会是谁课外学习时间长,谁的成绩就会更好. 量在这里没有出现.

rongchao · 发表于 2003-5-22 00:56:00

很清晰讲解,谢谢mindfree!

joywzy · 发表于 2003-5-22 08:50:00

非常感谢mindfree,你讲解得非常清楚.谢谢.

tianwan · 发表于 2004-3-8 22:14:00

mindfree对24题的评论和讲解，让人茅塞顿开，佩服！

[此贴子已经被作者于2004-3-8 22:14:57编辑过]

番茄炒蛋 · 发表于 2004-3-9 11:43:00

呵呵，什么叫版主来着

真耐心呢

请教LSAT-5-2-8,LSAT-5-2-9，LSAT-5-2-24

请教LSAT-5-2-8,LSAT-5-2-9，LSAT-5-2-24

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块