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标题: 新prep 74，想问问大家这种题怎么推理 [打印本页]
作者: soojin3215    时间: 2011-3-29 07:15     标题: 新prep 74，想问问大家这种题怎么推理

74.

Comcorp Shipping Clerkast week, no shipments of building supplies were sent out on Friday.The five specially ordered shipments sent out last week were sent out on Thursday, and each of those specially ordered shipments consisted entirely of building supplies.Four shipments were sent to Truax Construction last week, none of which consisted of building supplies.

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

A. All of Comcorp’s shipments of building supplies last week were specially ordered.

B. None of Comcorp’s shipments sent on Friday of last week was sent to Truax Construction.

C. None of the shipments sent by Comcorp to Truax Construction last week was specially ordered.

D. None of Comcorp’s shipments sent on Thursday of last week was sent to Truax Construction.

E. All of Comcorp’s shipments of building supplies last week were sent out on Thursday.



这是文中的三个关系是吧：
1.上周，没有载有建筑材料的船在周五发货。
2．上周，所有5艘特别订制的船在周四发出，每艘船都载满了建筑材料。
3.上周，4艘发往T的船都没有载有建筑材料。
让你推理，怎么想？？？跪谢！！！
作者: JoshwuS    时间: 2011-3-29 19:56

The five specially ordered shipments sent out last week were sent out on Thursday, and each of those specially ordered shipments consisted entirely of building supplies.说明周四送走五个，其中的特别订货都订的是建筑材料；
Four shipments were sent to Truax Construction last week, none of which consisted of building supplies.
四个送到了TC，但是这些都不是订的建筑材料；-不是特别订的
说明C：None of the shipments sent by Comcorp to Truax Construction last week was specially ordered.

答案是啥？
作者: soojin3215    时间: 2011-3-30 06:47

是C，请讲讲怎么推出来的？？
作者: endless1990    时间: 2011-3-30 19:39

“不是订的建筑材料；-不是特别订的”？？

不是建筑材料就能推出不是特别订的？未必吧。。。
作者: endless1990    时间: 2011-3-31 06:54

这题我想明白了。。。

分析：周五没发建筑材料（但不排除发别的）。上周发的5个特别订购的都是周四发的（上周只发了5个），都是建筑材料。到TC的4个都不是建筑材料。
A．    上周发的所有的都是特别订购的。（胡扯）
B．    周五发的都不是到TC的。（不知道）
C．    上周发到TC的都不是特别订货的。（确定，因为特别订货的都是建筑材料，
而到TC的4个都不是建筑材料。）
D．    周四发的没有发到TC的。（不知道，虽然我们知道5个特别订货的都是周

四发的，但我们不知道周四是否还发了别的）
E．    所有的建筑材料都是周四发的。（不知道）
作者: seanceserene    时间: 2011-3-31 20:09

做了一下，应该选C，注意细节就行



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