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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?

正确答案: E

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请大家帮忙翻译个题目,谢谢拉

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楼主
发表于 2011-7-30 11:16:37 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
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,题目是什么意思啊?谁能翻译一下啊



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,题目是什么意思啊?谁能翻译一下啊
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沙发
发表于 2011-7-30 11:34:33 | 只看该作者
1.subscribers 来看, subscribers 下的定单里面只有30%是35岁以下的人
2.total 来看, 大多数定单是35岁以下的人下的.

从1,2可以得出'下定单的人里面很多不是subscribers ', 是E
板凳
发表于 2011-7-30 12:49:34 | 只看该作者
前一项调查杂志的订阅者表明:去年由订阅者发出的order要求中,30%是小于35岁的人。而后一项研究却表明:大多数的order要求都是来自小于35岁的人的。发现了没有比例虽然不同,但是后面的范围也是不同的,前项调查是订阅者订单的比例,后者是订单的比例,于是这道题的逻辑着眼点是是否是订阅者。答案就给了明确的解释,这些订单中有很多是第一次来定的,不是平时的订阅者。
地板
 楼主| 发表于 2011-7-30 13:54:54 | 只看该作者
明白了,谢谢呀
5#
发表于 2011-7-30 14:15:36 | 只看该作者
不客气哈
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