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请教GWD-30-Q14~

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楼主
发表于 2010-3-24 10:59:29 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Background information:This year, each film submitted to the Barbizon Film Festival was submitted in one of ten categories.For each category, there was a panel that decided which submitted films to accept.

Fact 1:Within each category, the rate of acceptance for domestic films was the same as that for foreign films.


Fact 2:The overall rate of acceptance of domestic films was significantly higher than that of foreign films.


In light of the background information, which of the following, if true, can account for fact 1 and fact 2 both being true of the submissions to this year’s Barbizon Film Festival?


A.In each category, the selection panel was composed of filmmakers, and some selection panels included no foreign filmmakers.



B.Significantly more domestic films than foreign films were submitted to the festival.因为这里讲的是 rate,不是数量。



C.In each of the past three years, the overall acceptance rate was higher for foreign than for domestic films, an outcome that had upset some domestic filmmakers.



D.The number of films to be selected in each category was predetermined, but in no category was it required that the acceptance rate of foreign films should equal that of domestic films.



E.Most foreign films, unlike most domestic films, were submitted in categories with high prestige, but with correspondingly low rates of acceptance.
我选B,后来发觉比较的是rate,不是数量,可是还是不太能理解题目意思,答案是E。
能帮忙分析一下吗?谢谢~

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沙发
发表于 2010-3-25 01:12:46 | 只看该作者
题干简化:在B电影节上,有十个类别。每部电影都被提交到其中一个类别。由某一类别的评委决定是否接受。
事实一:在每一个组里,国产和外国电影的接受率是相同的。
事实二:总的接受率国产电影要远高于国外电影。
问能够同时解释一和二的说法。
此题有两个概念,一个是在每一个小组里的接受率,另一个是十个小组总的接受率。如果国外电影在一些接受率相对于其他组较低的小组(虽然这个小组内国产和国外电影接受率相同),而国产电影大都在一些接受较高的小组里,这样总的被接受的的电影中国产电影就高了。

假设1小组接受率为10%,其中有20部外国电影和10部国产电影,因为对于两种电影接受率都相同,因此1小组共接受2部国外电影和1部国产电影。

而在2小组,接受率为90%,(两个组可以不同是因为每组都有不同的panel),在这个组有20部国产电影和10部国外电影,则国产电影接受18部,国外电影接受9部,依次类推,最终overall rate就会发生变化。

多多指教。
板凳
 楼主| 发表于 2010-3-25 10:16:52 | 只看该作者
谢谢!分析得很清晰~

再弱弱地问两句:
1.是否也有下面这种情况出现呢?
Category:1 2 3 4 5 6 7 8 9 10
Foreign: 5% 5% N/A N/A N/A N/A N/A N/A N/A N/A
Domestic: 5% 5% 20% 20% 20% 20% 20% 20% 20% 20%

2.若题目说接受率相同,B是否就正确了呢?
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