2. 外语
  3. At the company picnic, all of the employees who participated in more than four of the scheduled events, and only those employees

At the company picnic, all of the employees who participated in more than four of the scheduled events, and only those employees

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问题 At the company picnic, all of the employees who participated in more than four of the scheduled events, and only those employees, were eligible for the raffle held at the end of the day. Since only a small proportion of the employees were eligibly for the raffle, most of the employees must have participated in fewer than four of the scheduled events. Which one of the following arguments exhibits a flawed pattern of reasoning most like that exhibited by the argument above?
选项 A、Only third-and fourth-year students are allowed to keep cars on campus. Since one quarter of the third-year students keep cars on campus and one half of the fourth-year students keep cars on campus, it must be that fewer third-year students than fourth-year students keep cars on campus.
B、Only those violin students who attended extra rehearsal sessions were eligible for selection as soloists. Since two of the violin students were selected as soloists, those two must have been the only violin students who attended the extra sessions.
C、The only students honored at a special banquet were the band members who made the dean’ s list last semester. Since most the band members were honored, most of the band members must have made the dean’s list.
D、All of the members of the service club who volunteered at the hospital last summer were biology majors. Since ten of the club members are biology majors, those ten members must have volunteered at the hospital last summer.
E、All of the swim team members who had decreased their racing times during the season were given awards that no other members were given. Since fewer than half the team members were given such awards, the racing times of more than half the team members must have increased during the season.
答案E
解析 本题的推理犯了不严谨的毛病，不超过四个的补集是等于或少于四个，因此本题的结论应该是大多数雇员参加的预定节目的个数一定不超过四个。选项(E)很明显犯了与题干中的论述相一致的推理错误，它忽视了有一定数量的队员的比赛时间能保持不变的可能性。
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本试题收录于： GMAT VERBAL题库GMAT分类
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