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关于电视进口的问题

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发表于 2013-9-7 09:56:19 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
113. The average hourlywage of television assemblers in
Vernland has long been significantly lower than that in
neighboring Borodia. Since. Borodia dropped all tariffs
on Vernlandian televisions,three years ago, the number
of televisions sold annually in Borodia has not
changed. However, recent, statistics show a drop in
the number of television assemblers in Borodia.
Therefore, updated trade statistics will probably
indicate that the number of televisions Borodia
imports annually from Vernland has increased.
Which of the following is an assumption on which the
argument depends?
(A)  The number of television assemblers in Vernland
has increased by at least as much as the
number of television assemblers in Borodia has
decreased.
(B) televisions assembled inVernland have features
that televisions assembled in Borodia do not
have.,

(C) The average number of hours it takes a Borodian
television assembler to assemble a television
has not decreased significantly during the past
three years.
(D) The number of televisions assembled annually in
Vernland has increased significantly during the
past three years.
(E) The difference between the hourly wage of
television assemblers in Vernland and the hourly
wage of television assemblers in Borodia is likely
to decrease in the next few years.

这题答案是c。确实根据整体的含义而言,其他选项基本能排除。我知道这题的思路——工人少不代表电视少。但是根据一般的法则而言,对于c选项(B国装配效率没有下降)取反,应该要削弱结论(B国进口变多)。可是,这里取反的话,前提变为B国的装配效率下降了,那么加上另一个前提(电视机效率没有下降),原文的结论却得到了加强,真的是相当curious了。请大家帮忙解释一下,是不是我理解上有误,谢谢。


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沙发
发表于 2013-9-7 13:02:24 | 只看该作者
Ron 解释了http://www.manhattangmat.com/forums/cr-the-average-hourly-wage-of-television-assemblers-in-vern-t8002.html
板凳
 楼主| 发表于 2013-9-7 14:12:29 | 只看该作者
liwen0625 发表于 2013-9-7 13:02
Ron 解释了http://www.manhattangmat.com/forums/cr-the-average-hourly-wage-of-television-assemblers-in ...

哦 我知道了 确实理解上有误 是单位生产时间减少 效率增加了 谢谢
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