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标题: [求助]prep2-121变体 [打印本页]

作者: 未来你听见了吗    时间: 2014-7-3 17:39
标题: [求助]prep2-121变体
In Kravonia, the average salary for jobs requiring a college degree has always been higher than the average salary for jobs that do not require a degree.  Current enrollments in Kravonia’s colleges indicate that over the next four years the percentage of the Kravonian workforce with college degrees will increase dramatically.  Therefore, the average salary for all workers in Kravonia is likely to increase over the next four years.

Which of the following is an assumption on which the argument depends?

A. Kravonians with more than one college degree earn more, on average, than do Kravonians with only one college degree.
B. The percentage of Kravonians who attend college in order to earn higher salaries is higher now than it was several years ago.
C. The higher average salary for jobs requiring a college degree is not due largely to a scarcity among the Kravonian workforce of people with a college degree.
D. The average salary in Kravonia for jobs that do not require a college degree will not increase over the next four years.
E. Few members of the Kravonian workforce earned their degrees in other countries.

逻辑链:有cd的average salary>无cd的,入学率说明未来四年有cd的人在工作中比例增加-->所有工人的average salary 在未来四年会增加。
答案选C;我觉得C很无关啊...而且D自己解释的很通:有cd的人比例增加-->所有工人工资增加,前提不应该排除无cd的人么...
求大牛们帮我校正下答案或者指出我的错误~~
不胜感激~~~
作者: 未来你听见了吗    时间: 2014-7-3 20:44
up...求指点求讨论
作者: taohui2014    时间: 2014-7-7 19:19
http://forum.chasedream.com/thread-716240-1-1.html

C取非,支持结论, D取非,结论没影响




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