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LSAT18I-13,20

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楼主
发表于 2003-5-23 08:52:00 | 只看该作者

LSAT18I-13,20

13.albert.. Trade protection is bad policy. Take the case of the microcomputer industry. The United States government attempted to restore the computer chip market to United States manufacturers, who had ceased production in the face of an abundant supply of cheap chips from foreign manufacturers. Under trade protection, it was expected that, as government-imposed quotas and excise taxes forced the price of foreign chips to rise, United States manufactures would reenter the market. They did, but at only slightly lower prices that the now-high prices of foreign firms. The lesson has been simple: trade protection means that United States manufactures gain while United States manufactures gain while United States consumers lose.
Which one of the following is an assumption on which the author's argument relies?
(A) It is unreasonable to expect that government-imposed quotas and excise taxes will reduce prices for United States consumers.
(B) United States manufacturers of computer chips are more concerned with high profits that are foreign manufacturers.
(C) The United States government's primary purpose in trade protection is to restore markets and profits to United States manufacturers.
(D) With respect to trade protection, the microcomputer industry is representative of United States industry in general.
(E) The quality of the chips produced by United States manufacturers is better than the quality of the chips produced by foreign manufacturers.
Answer: D
我想问的是D也能做为ASSUMPTION吗?原文只是把MICROCOMPUTER作为一个例子,但不一定是representative in gerneral啊。

20. An examination of corruption provides the basis for rejecting the view that an exact science of society can ever be constructed. As with all other social phenomena that involve deliberate secrecy, it is intrinsically impossible to measure corruption, and this is not merely due to the fact that social science has not yet reached its goal, achievable to be sure, of developing adequate quantifying techniques. If people were ready to answer question about their embezzlements and bribes, it would their embezzlements and bribes, it would mean that these practices had acquired the character of legitimate, taxable activities and had ceased to be corrupt. In other words, corruption must disappear if it is to be measurable.
Which one of the following most accurately states a hidden assumption that the author must make in order to advance the argument above
(A) Some people believe that an exact science of society can be constructed.
(B) The primary purpose of an exact science to quantify and measure phenomena
(C) An intrinsic characteristic of social phenomena that involve deliberate secrecy is that they cannot be measured.
(D) An exact science of social phenomena that involve deliberate secrecy cannot be constructed.
(E) An exact science can be constructed only when the phenomena it studies can be measured.
Answer: E  why not D? C?
沙发
发表于 2003-5-23 09:35:00 | 只看该作者
The lesson has been simple: trade protection means that United States manufactures gain while United States manufactures gain while United States consumers lose.
就是把computer这一单一事务推而广之的意思。
板凳
 楼主| 发表于 2003-5-23 20:53:00 | 只看该作者
20题谁能帮我解答?
地板
发表于 2003-5-24 01:10:00 | 只看该作者
20. 原文中的gap很明显, 文章一开始说examination of corruption provides the basis to reject the view that an exact science of society can ever be constructed. 后面很长的篇幅都是讲corruption is not measurable. 这两者是不等价的.

E的逻辑关系是: An exact science can be constructed -->the phenomena it studies can be measured. only when和only if一样表示必要条件. 根据原文, not measurable-->cannot be contructed. 结论成立.

D是结论,不是assumption. assumption在原文中的作用是一个必要条件, 用来填补原文逻辑中的gap.

C是原文第二部分的结论, 可以说是一个sub-conclusion用来支持conclusion of the passage.

albert, 你要分清楚assumption和conclusion, 清楚assumption在文章中的作用.
5#
 楼主| 发表于 2003-5-24 02:05:00 | 只看该作者
明白了。。谢谢mindfree和siebel
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