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题库 / Prep2008E1-CR-121
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. Over the last few years, the number of Kravonians enrolled in college has been growing steadily. Therefore, the number of Kravonians entering the job market who have at least the qualification of a college degree will eventually be significantly higher than it has been over the last few years.
Which of the following, if true, most seriously weakens the argument?
Kravonians with more than one college degree earn little more, on average, than do Kravonians with only one college degree.
The average number of years Kravonian college students remain enrolled before completing a degree has been increasing over the past several years.
Despite the increase in the number of Kravonians attending college, the percentage of the population attending college is lower in Kravonia than in most other countries.
In recent years, employers have been requiring college degrees for workers in jobs that were previously performed successfully by Kravonians who did not have college degrees.
For many years, employers in Kravonia have had difficulty finding enough college graduates to fill the high-paying jobs that were available.
情景：有文凭的人比没有文凭的人挣得钱多。在Kravonia这个国家，参加大学的人变多了。因此，拥有至少一个大学学位的求职者人数最终要比以前多。
推理：
前提：参加大学的人变多了
结论：拥有至少一个大学学位的求职者人数最终要比以前多
选项分析：
A选项：Kravonia有超过一个学位的人比只有一个学位的人挣得会稍微多一点。本选项提到了“薪资”，但是并不是有学位的和没有学位的相比较。因此，本选项不能反驳结论。
B选项：Correct. Kravonia的学生在过去几年平均需要更长的时间来从大学中毕业。本选项可以反驳结论，即，入学人多不等于毕业生多。
C选项：尽管在Kravonia大学入学学生变多，但是Kravonia上大学的人数占总人口的比例仍然小于其他地区。本选项讨论的是Kravonia和其它地区的比较。
D选项：在近些年，那些本来可以被不具有大学学位的员工做好的职位也开始需求大学学位了。本选项和结论无关。
E选项： 招聘者一直很难招到具有大学学位的人来加入可提供的高薪职位中。推理文段中并没有讨论到挣钱多少的问题。
这题用排除法比较好，不然会受到题目里边结论部分的措辞的干扰。
题目说再过去几年，读大学的人在稳定增长，所以毕业生的人数最终也会明显多于过去几年。
重点在毕业生的人数会不会明显多于往年。
A 平均薪资，跟人数没关系，排除
C 大学生占人口的百分比，题目讲的是 the number，跟百分比无关，排除
D 雇主...， 无关，排除
E 雇主招不到什么样的人，无关，排除
B 在过去几年，在校大学生在学校呆的平均年数延长了。看到这个选项，会有些怀疑，时间延长了，但是最终还是要毕业的，那就没办法削弱结论里头的eventually了。可以假设极端情况，每年入学100个人，但每年毕业出来1个人，那么就不能significantly higher了。再说用排除法，也就这个能选。
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