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The more frequently employees take time to exercise during working hours each week, the fewer sick days they take. Even employees who exercise only once a week during working hours take less sick time than those who do not exercise. Therefore, if companies started fitness programs, the absentee rate in those companies would decrease significantly.

Which of the following, if true, most seriously weakens the argument above?

正确答案: B

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prep 两道让我抓狂的题目

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楼主
发表于 2008-10-13 12:04:00 | 只看该作者

prep 两道让我抓狂的题目

发贴心情
GMATPrep一道逻辑题

Radio stations with radio data system(RDS) technology broadcast special program information that only radios with an RDS feature can receive. Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600. However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verdlanders receiving the special program information probably did not increase significantly.

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

A. Few if any of the RDS radio stations that began broadcasting in Verland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.

B. In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.

C, Equipping a radio staion with RDS technology does not decrease the station's listening area.

D. In 1996 Verdlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.

E. The RDS radio stations in Verdland in 1996 did not all offer the same type of programming.

我选D,答案是A,不明白为什么。

还有一题:

The more frequently employees take time to exercise during working hours each week, the fewer sick days they take. Even employees who exercise only once a week during working hours take less sick time than those who do not exercise. Therefore, if companies stated fitness programs, the absentee rate in those companies would decrease significantly.

Which of the following ,if true, most seriously weakens the argument above?

A. Employees who exercise during working hours occassionally fall asleep for short time after they exercise.

B. Employees who are frequently absent are the least likely to cooperate with or to join a fitness program.

C. Employees who exercise only once a week in their company's fitness program usually also exercise after work.

D. Employees who exercise in their company's fitness program use their working time no more productively than those who do not exercise.

E. Employees who exercise during working hours take slightly longer lunch breaks than employees who do not exercise.

我选C,为什么不对?B我同意是对的。C说之所以每星期锻炼一次都有效果,是因为那些雇员回家还锻炼,所以并不一定是锻炼项目起的作用,这就削弱了结论中说只要有锻炼项目,就能减少旷工情况。

沙发
发表于 2008-10-13 12:49:00 | 只看该作者

第一题, radio station with RDS technology-->只有radios with RDS才能收听. 从1994-96, RDS stations数量增加——》拥有RDS radio的用户数量没有太大变化———》收听RDS特别节目的用户数量变化不大

A刚好真补了逻辑推理中的空白,即有RDS radio但不听RDS节目的观众在1994年之后亦没有从新的电台那里接收RDS节目,就是说收听RDS节目的观众没有变化

D与第一句的前题相左了

板凳
 楼主| 发表于 2008-10-13 13:40:00 | 只看该作者
谁能帮我把A这个答案翻译下阿
地板
发表于 2008-10-13 14:20:00 | 只看该作者

A. Few if any of the RDS radio stations that began broadcasting in Verland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations

很少-如果有的話-在1994年以後開始廣播的RDS電台向住在之前收不到RDS電台信號並且擁有RDS廣播的的人廣播節目

5#
发表于 2008-10-13 14:41:00 | 只看该作者

第二题,你选C的错误在于你所推论的都绕了好几圈了,GMAT逻辑的推论只限于从题干或选项中所能推出的第一层意思,即直接推论。B选项最切合题干。题干的逻辑是员工运动得越多,休病假的时间越少——》因此公司如果推出运动program,那么公司员工缺勤时间会大幅下降。

B直接切合题干,不运动的人最不可能参加这个program,所以缺勤时间不会下降。

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