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问GWD5-Q3

The average hourly wage 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 in Vernland 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.

答案是C,可是题目中的意思是B国总电视销售量没变,B国自己产的少了,所以推出从A国进口的多了。。。跟C有啥关系呢?多谢
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show a drop in the number of television assemblers in Borodia 说电视生产的工人减少了。选项c说单位工人的产量没变。加起来就是b电视产量减少了

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题目中把assembler的减少归因于从A国进口多了以致B国销量少了
C选项的作用是“排除他因”assumption,即排除了“assembler数量的减少是由于装电视工作效率的提高导致的”这个他因。

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只有在B国的电视组装工人减少后,剩余的每个工人组装一台电视的时间不变(或者增加也可以)的情况下,那么B国的电视产量才能减少,为了满足额外的需求,进而转向进口,于是进口V国的电视增多。

如果B国工人减少之后每个剩下的工人组装一台电视的时间大大减少的话,B国每年电视的产量基本不变,那么就不存在满足不了的需求,B国自身的供求基本上还是相等的,也就不会进口V国的电视,那么statistics 就不会显示increase of imports 了

楼主明白了吗?

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既然b国产量减少了 那从v进口多了 所以v国年产量增加了 为什么D不对啊?求赐教

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D整个就是一个无关选项 原文说的是B国的事 Vassemble有什么关系啊?
C说的是生产时间没有显著降低 首先与原文所讨论的是一致的 原文讨论的是生产者人数减少的原因
第二 C选项说明生产效率没有显著提高 如果生产效率显著提高了 那么生产一定数目的电视所需要的人数也减少 C选项排除了这种可能性

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