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Prep逻辑一道,求教

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楼主
发表于 2011-8-4 16:54:23 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
不懂

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沙发
发表于 2011-8-4 18:02:47 | 只看该作者
premises: 1) SF promotion: more ppl stay in SF (Springfield) than in H (Harristown)
               2) brochure from biggest hotel in H: more ppl in this hotel than in RA hotel in SF.
               3) both right.

what mistake was made..

A) irrelevant: the length of stay
B) irrelevant: the size of the hotel
C) it is truth, not mistake. coz the biggest hotel in H already has more visitors than RA hotel. therefore, the combined number of visitors in hotels in Harristown must be greater than number of ppl in RA hotel.
D) irrelevant+unknown
E) Correct. if RA is one of the hotels in Springfield, the total will accomodate more ppl in SF.

hope it helps
板凳
 楼主| 发表于 2011-8-5 11:22:36 | 只看该作者
明白了,多谢了
地板
 楼主| 发表于 2011-8-22 15:19:01 | 只看该作者
premises: 1) SF promotion: more ppl stay in SF (Springfield) than in H (Harristown)
               2) brochure from biggest hotel in H: more ppl in this hotel than in RA hotel in SF.
               3) both right.

what mistake was made..

A) irrelevant: the length of stay
B) irrelevant: the size of the hotel
C) it is truth, not mistake. coz the biggest hotel in H already has more visitors than RA hotel. therefore, the combined number of visitors in hotels in Harristown must be greater than number of ppl in RA hotel.
D) irrelevant+unknown
E) Correct. if RA is one of the hotels in Springfield, the total will accomodate more ppl in SF.

hope it helps
-- by 会员 chasingM7 (2011/8/4 18:02:47)


今天有看了一遍这个题,发现还是错了~~~
(1)more people stay in SF than H, 也就是说在SF的人要比H多,H<SF
(2)H最大的酒店住的人比SF的RA酒店里住的人多,然后呢?H>SF
这怎么能推出来RA是唯一的酒店呢?如果RA是唯一的酒店,可是RA住的人比H最大的酒店住的人还少,也就是说H最大的酒店比RA人多,这就不符合第一条了


求指教!
5#
发表于 2011-8-22 16:55:52 | 只看该作者
题目里面是error in也就是说推不出下面哪个选项 除了e都能推出 你题目没看准吧
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