昨天一位朋友提供了一道所谓的真题，请大家讨论一下答案
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?
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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.
Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now.
Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.
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. Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.
我从我们区转过来的。。。算本月JJ
这是我考试的时候遇到的题，当场就晕了。。。狂打击，，当时好紧张
竟然在这里遇上。。。
又看了一遍，我选E
支持e
这是CR题？
ETHYL改一下标题吧~让JJ整理的作者可以收录~嘻嘻
收到收到,昨晚本来是要加进去的.头有点疼,先就睡了!
谢谢ethyl
agree with E.
Thanks to Ethyl.
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