求助一道逻辑大全 II-20

深海的小美人鱼 · 发表于 2004-2-6 04:50:00

The Asian American History Association receives approximately 1,000 proposals each year from individuals who wish to present papers at its annual meeting. The association’s officers would like to ensure constant standards of quality in the presentations from year to year. The officers have therefore decided to accept for presentation each year only the best 300 papers selected on the basis of the quality of the proposals submitted.
Of the following, the best criticism of the officers’ plan is that the plan assumes that
(A) Professional associations cannot accept all papers submitted for presentation at their annual meetings.
(B) The total number of proposals submitted to the association will remain at approximately 1,000 in future years.
(C) Each proposal submitted to the association deserves to be considered a serious candidate for presentation.
(D) It is difficult to judge the quality of a paper on the basis of the proposal alone.
(E) The best 300 papers submitted to the association for presentation will be of the same quality from year to year.
答案是E，D为什么不对？请教，谢谢。

jediming · 发表于 2004-2-6 07:34:00

试解答如下：
D取非无法weaken原文的推理

深海的小美人鱼 · 发表于 2004-2-6 23:53:00

还是不明白哦

joice · 发表于 2004-2-7 00:24:00

the goal is : to ensure constant standards of quality in the presentations from year to year.
through a plan to achieve the goal : accept for presentation each year only the best 300 papers selected on the basis of the quality of the proposals submitted.

the offer assume that these 300 papers will remain the same quality from year to year.

opponents may attack on this assumption.

深海的小美人鱼 · 发表于 2004-2-7 02:47:00

ok, thanks guys!

redredfox · 发表于 2004-2-7 12:15:00

看来要抓住关键词"constant"是至关重要了。

sumerlaw · 发表于 2009-10-22 20:53:00

D更本不是plan的假设，所以不对，D反对原文

joyviva · 发表于 2009-10-23 13:48:00

我想问B为什么不对……请赐教！

hanyichen · 发表于 2012-6-29 06:12:51

牛顶！

hanyichen · 发表于 2012-6-29 06:13:02

求助一道逻辑大全 II-20

求助一道逻辑大全 II-20

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