GWD一道逻辑题，没想明白

luyinan

Finding of a survey of Systems magazine subscribers:  Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.

 

Finding of a survey of advertisers in Systems magazine:  Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five.

 

For both of the findings to be accurate, which of the following must be true?

 

(A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five.

(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now.

(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.

(D) Last year, the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over.

(E) Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.

答案是E   搞了半天没搞明白，请问为什么？  谢谢 

luyinan

这题有点难度  没想明白  谁来帮帮忙啊  ！！

reallingling

Finding of a survey of Systems magazine subscribers:  Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.

 Finding of a survey of advertisers in Systems magazine:  Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five. 

For both of the findings to be accurate, which of the following must be true?

 (A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five.

 (A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five.

(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now.

(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.

(D) Last year, the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over.

(E) Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.

首先读出原文说的两事

一是针对s杂志订阅者的发现：35%的商品订单是年龄在35岁以下的杂志订阅者产生的

二是针对s杂志广告商的调查发现：大部分的商品订单都是年龄在35岁以下客户产生的

从两事中明显读出 商品订单的客户有很多不是s杂志的订阅者。

即使没有做出上述的推论，那么也可用排除法直接排除abcd；a：说更多的没有下订单的订阅者是在35岁以上而不是35岁以下，原文压根都没提过，如果说s杂志的订阅者都是35岁以下的读者呢？故a不对；b 说杂志的订阅者中去年35岁以下的比率比今年的小，原文压根没说；c 大部分的订单是由年龄超过35岁以上的杂志订阅者产生的，和原文反了；d 每个订单的平均金额问题，原文压根没提，故的不对

只有e对

luyinan

好的 谢谢啦