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标题: nn进：请教GWD-3-20 [打印本页]

作者: prfdu2005 时间: 2006-9-4 23:18
标题: nn进：请教GWD-3-20

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?

At least one of the shipments sent to Truax Construction last
week was specially ordered.
At least one of last week’s specially ordered shipments did not
consist of building supplies.
At least one of the shipments sent to Truax Construction was
not sent out on Thursday of last week.
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.
一点头绪都没有，那位好心nn可以帮帮我呢？

作者: wycg 时间: 2006-9-5 19:14

这题以前有过讨论,LZ搜一下.

这题主要是一个时间的比较,也算是数学题吧.LZ最好用笔写一写,注意每个选项说的意思.

作者: prfdu2005 时间: 2006-9-6 00:47
谢谢斑斑，好的，我知道了

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