求解一道CR题

eliasfan · 发表于 2011-1-13 16:47:15

GWD3-Q20:

Shipping Clerk:The five specially ordered shipments sent out last week were sent out on Thursday.Last week, all of the shipments that were sent out on Friday consisted entirely of building supplies, and the shipping department then closed for the weekend.Four shipments were sent to Truax Construction last week, only three of which consisted of building supplies.

If the shipping clerk’s statements are true, which of the following must also be true?

A.At least one of the shipments sent to Truax Construction last week was specially ordered.

B.At least one of last week’s specially ordered shipments did not consist of building supplies.

C.At least one of the shipments sent to Truax Construction was not sent out on Thursday of last week.

D.At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction.

E.At least one of the shipments sent to Truax Construction last week was sent out before Friday.

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guohanwen · 发表于 2011-1-14 15:11:47

为什么b不对呢？？？？

eliasfan · 发表于 2011-1-14 14:54:06

谢谢sherytang

sheryltang · 发表于 2011-1-14 12:05:14

His buliding materials might have been sent in Tuesday(since the argument did not mention it, it's a possiblity). However, since there is one packet that is not buliding material and Friday only sent out buliding materials, this one packet must be sent before Friday.

sheryltang · 发表于 2011-1-14 12:04:59

His buliding materials might have been sent in Tuesday(since the argument did not mention it, it's a possiblity). However, since there is one packet that is not buliding material and Friday only sent out buliding materials, this one packet must be sent before Friday.

eliasfan · 发表于 2011-1-14 11:29:47

D不对啊。星期五发的确实都是建材，但可能都发给SOHO了。没有给TC的。TC的建材是星期一发的。
?
文中没有出现SOHO，也没有说TC的建材是星期一发的啊？
既然上周星期五发的货都是建材，TC需要的建材中有三箱已经到了，那么D中上周星期五中至少有一箱建材是发往TC的是可以确定的既成事实，为什么D不对呢？

gwang5 · 发表于 2011-1-14 10:46:58

D不对啊。星期五发的确实都是建材，但可能都发给SOHO了。没有给TC的。TC的建材是星期一发的。

根据文章信息TC要的东西上周都发了，其中有一件不是建材，而星期五发的货都是建材，所以只能推导出那不是建材的肯定是星期五前发的。

eliasfan · 发表于 2011-1-13 16:49:19

The answer is E ,but I think D is also right , In the article, it is said Four shipments were sent to Truax Construction last week
so it can infer D

本贴相关题目 TN-02-CR-20 (PELO)

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