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GWD30-14

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21#
发表于 2007-8-9 21:13:00 | 只看该作者

楼上讲的极有道理啊!终于明白了呵

22#
发表于 2007-8-30 17:31:00 | 只看该作者
UP
23#
发表于 2007-8-30 17:42:00 | 只看该作者

20楼解释的真好
这道题的关键是理解:一组里面通过率是相同,但组与组之间通过率可以不同,从而会导致总的通过率不同
E就说了大多国外片都跑到那些通过率低的组去了,那么总的通过率自然就低了

24#
发表于 2007-9-11 19:12:00 | 只看该作者

E说明国外的片子比较集中在几个CATEGORY,等于自己和自己抢名额,最后通过率就低了

25#
发表于 2008-3-12 17:44:00 | 只看该作者
以下是引用茉莉清茶在2007-8-2 20:43:00的发言:

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?

 

 

  1. In each category, the selection panel was composed of filmmakers, and some selection panels included no foreign filmmakers.
  2. Significantly more domestic films than foreign films were submitted to the festival.
  3. 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.
  4. 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.
  5. Most foreign films, unlike most domestic films, were submitted in categories with high prestige, but with correspondingly low rates of acceptance.

在时间很短的情况下做这种题目我觉得举极端情况的例子最好.题目里说有十个不同的组别,在E 选项里,我们就举两个好了,对国内国内的电影来说.第一组的通过率都为80%,第二组要求高点,通过率只有20%,如果国内电影全部跑到第一组去了,国外的全部去第二组了,那么很显然最后的结果是国内电影的通过率要远远高于国外电影的通过率,虽然在每一组当中各自的通过率都是一样的.

再看B,即使国内电影数量大大超过国外电影,如果国内的全部去第二组,国外的去第一组,那么结果就与题目的条件2相反了.所以E 是关键

MM 太牛了    看了这么多,才终于被你说服了  赞一个
26#
发表于 2008-3-24 20:51:00 | 只看该作者
up
27#
发表于 2008-4-13 11:13:00 | 只看该作者

做错的都应该是E没看懂

E.      Most foreign films, unlike most domestic films, were submitted in categories with high prestige, but with correspondingly low rates of acceptance.

categories with high prestiges 是指有很高威望的类别(直译,意思是这些类别的panel审核比较严,而大部分most foreign film都在这些组,当然总的通过率就少了)

B:绝对无关,它只说了提交的数量又没说通过的数量

28#
发表于 2008-6-15 17:45:00 | 只看该作者

我的理解是,这个要用数学思维翻译就是个权重问题。

29#
发表于 2008-8-7 17:53:00 | 只看该作者
有道理
30#
发表于 2008-11-14 11:18:00 | 只看该作者

这题的理解关键还是在FACT 1中的each category和FACT 2中的overall category的上,而且FACT 1中的一个重要隐含条件一定要找出:每个不同的category的通过率是可以不同的,比如第一组20%,第二组可以是80%,但是第一组的20%与第二组的80%的通过率对于国内电影、国外电影又是相同的。

E选项实际上是解释了这个现象;而B是无关选项,从头到尾都是rate的比较,不涉及到数量,更与总数无关,少送点多送点没有影响。

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