请教LSAT17-III-19,20，谢谢！

jacy · 发表于 2003-5-10 12:05:00

我觉得如果题目改成如mindfree所写:
Train service suffers when a railroad combines commuter and freight service. By dividing its attention between its freight and commuter customers, a railroad serves neither particularly well. Therefore, if a railroad is going to be a successful business, then it must expand its resources to serve both well.

那么逻辑关系就变为:1.serve both-->serve neither well==>2.successful -->serve both well
这样的话,就根本没有没有所谓的桥梁了,因为,前面没法推出后面呀.
由1.逻辑关系可推出:serve only one well-->serve only one .
和逻辑关系2没有联系了.
所以我认为如果要想选greenfish改后的c,也需要同时改动前面的逻辑关系1.

不知道我的想法对不对. 请mindfree及各位朋友指正.

mindfree · 发表于 2003-5-12 01:53:00

jacy,

我想我明白你的意思, 你真是看得仔细. 看来前面要改为"Train service suffers when a railroad combines commuter and freight service with its limited resources." 这样, 前后就可以联系上了.

请教LSAT17-III-19,20，谢谢！

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