各位大侠帮忙看到逻辑题吧 我没看懂啊 谢谢了

guo573874201

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?

1. At least one of the shipments sent to Truax Construction last week was specially ordered.
   
2. At least one of last week’s specially ordered shipments did not consist of building supplies.
   
3. At least one of the shipments sent to Truax Construction was not sent out on Thursday of last week.
   
4. At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction.
   
5. At least one of the shipments sent to Truax Construction last week was sent out before Friday.
   

viota

http://forum.chasedream.com/GMAT_CR/thread-615334-1-1.html?postid=15584342&searchmode=TopicContent&searchtext=Shipping%20Clerk%20The%20five 是这题吧

lhb2612530

这道题答案给的e，b为什么不可以？

wangyayun717

本来看得很痛苦，放弃了又回来继续看了不知道是不是选B 因为上个星期4发出5条specially boats，星期五发出的全部是包括什么buildingmaterials的，假设星期五最多发出一条船（因为题目的意思至少发出了一条船吧）那么因为总共发出的所有船中有3条包括buliding什么的 那么星期四发出的specially 的船 最多有两条包含buildingmaterial的 。也就是至少有一条船不包括那个什么building
material的

wangyayun717

选b吗

juventuser

E么