题库搜索>逻辑CR-10392
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?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
last Thursday:5 shipments
lasr Friday:all are building supplies
4 shipments to Truax: 3 building supplies
A.至少有一个是specially ordered,不一定,又可能都是在周四之前send
B.至少有一个specially ordered不包含building suppplies,不一定有specially ordered,错误
C.至少有一个不是在周四发送的,不一定,又可能四个都在周四发,周四的五个specially ordered可以有三个building supplies
D.周五发的shipment至少有一个是发往Truax的,不一定,可能四个都在周四发,周五发的跟Truax无关
E.发往Truax的至少有一个是在周五前发的,正确,周五发的都是building supplies,但发往Truax的有一个不是building supplies,所以必须在周五前发
244581ucnoy
这题的难点在于读题,搞明白题目想要说什么后,排错就能选出来。 shipping clerk一共说了三件事。 第一件事特别订购的5批货上周四发出了。 第二件事上周五发出的所有货物都是建筑用品,以及航运部门周末不上班。 第三件事TC公司收到了4批货,只有三批是建筑用品。 A选项:上周送到TC公司的货物中至少有一个是特别订购的。(题目没说TC的货是不是特别订购,也没提特别订购的那批货的目的地是哪里) B选项:上周特别订购的货物中,至少有一件不是建筑用品。(题目也没说上周订购的货是不是建筑用品,我们压根不知道啊。) C选项:发给TC公司的货物中,至少有一批没有在上周四发出。(只知道TC公司收到了货物,什么时候发出的不知道。) D选项:上周五发出的货物中至少有一艘被送到了TC公司。(不知道上周五发出的货物的目的地,题目没有说) E选项:上周发给TC公司的货物中至少有一批是在周五之前发出的。(因为周末不上班,TC又受到了建筑材料,那可能是在周五发出的。)
1487552w
我觉得这题的思路是看重叠条件,就是找3 premises中的共同点。building supplies就是一个共同点
正在加速小流星
只说了周四发出了5个special order包裹,周五发的包裹全部都是building supplies,但是没有说周四发的只有5个special order(因为有可能周四除了发5个special order还发了building supplies)
A,At least one of the shipments sent to Truax Construction last week was specially ordered.错,只说了tc收到的四个包裹,3个都是building supplies,没说收没收到special order。
B,At least one of last week’s specially ordered shipments did not consist of building supplies.错,special order和building supplies的关系文章没提,没法得出这个结论
C,At least one of the shipments sent to Truax Construction was not sent out on Thursday of last week.错,题意是tc收到的包裹至少有一个不是在周四发出的,tc收到的包裹有可能都是周四发的,因为周四发的全部包裹类目没说,可能有special 有building,毕竟文段仅仅说了周四发了5个special order,所以从文段无法得出
D,At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction.错,题意是至少有一个周五发出的包裹送到了tc,和C类似,tc收到的也可能全是周四发出的,从文段无法得出
E,At least one of the shipments sent to Truax Construction last week was sent out before Friday.正确,题意是至少有一个发往tc的是上周五之前发出的,周五只有building,但是tc收到了3个building和另一个不是building的包裹,所以必然是周五之前发出的
luluan
E 至少有一个发往TC的货物是在周五之前发出。正确,Truax收到的有一个不是building supplies,是什么不确定是不是星期四发的也不确定,但周五反正只发building supplies,所以肯定是周五前发的东西。
飞翔的五花肉
周四发包;周五只发建筑材料,然后就关门了 Truax收到四个,其中三个是建筑材料。 A可以是周四之前发的 B未提及 C周四发包的也可以是建筑材料 D三个建筑材料可以是周四或之前发的 E只有三个含建筑材料(可能是周五发的)剩余的一个至少是周五之前发的,因为周五后关门了。
septcam
什么鬼.......gmac好无聊
Xxixi
四个里面只有三个是building supplies, 剩下的那一个肯定不是周五出去的,为什么说at least是因为我们可以说:周五出去的都是building supplies, 但是不能说building supplies都是周五出去的。所以那三个building supplies里面可能也有不是周五出去的。而为什么说sent out before friday不说was specially ordered 是因为我们只能确定有五个 specially ordered shipments 是周四出去的,但是不能确定不是周五出去的就都是specially ordered shipment.
听雪楼下堆雪人
上周有五个特殊货物在周四发出,周五发的全是建筑货物,周六日关门。 4个发去TC的货物里,3个是建筑货物。 A发往TC的至少有一个是特殊的,不知 B至少有一个特殊的货,包含建筑货物。题目没有给特殊货物和建筑货物的关系 C至少有一个发往TC的没在周二发 发往TC的在哪一天不确定 D至少有一个货周五发的,是发往TC的。 周五发的全是建筑货物,不等于,建筑货物全在周五发出 E至少有一个发往TC的或在周五之前发出
stevenyang
这个题由于没说 specially order与building supplies的关系,也没说周四前有没有ship,所以只有E可以100%确定对
爱之延sone
4个shipments里面有一个不是building supply,而周五发的全部都是building supply,所以这一个必然是在周五之前发了的,E对 D错在原文说周五发的全部是building supply,但没说building supply都是周五发的,所以3个building supply不一定是周五发的
Prince750
两个关键点: 1、周一至周五都可以发货 2、货物分两类:building supply和非building supply 也就是说“special ordered货物”可以把修饰语拿掉直接理解成“货物”
( ¨̮ )
基本结构是: 1、上周五天,周四运了4个special ordered,周五只运了building supplies 2、上周五天里,一共向Truax运了3个building supplies 和 1个其他货物 E 对,因为周五只运了building supplies,那么向Truax运的那个其他货物,必然是在周五之前运的。 其他选项不对,主要是因为special ordered,building supplies 和 向Truax运的 三个集合,都有可能存在交集。
Alex623
去TC的一共四个船,3个全都是BS,一个不是BS。已知周末不工作,周五走的船全是BS,所以剩下的一个必然是周五前走的。
本宫没空
可是题目里又没说周四之前也有发货,为什么A选项错了?
烦烦的小虎牙
反过来想,如果所有的都在星期五发的,那肯定都包含了building supplies,而不是只有三个包含了
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