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标题: old prep 1cr1 [打印本页]

作者: cyx3271 时间: 2011-6-29 22:32
标题: old prep 1cr1

12.(25359-!-item-!-188;#058&001894)

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.

什么意思啊求解释啊啊啊大牛们

作者: davidliuscu 时间: 2011-6-30 00:15
对Systems magazine订阅者调查表明：去年由于看到Systems magazine上的广告而下订单的订阅者中，30%年龄在35岁以下
对在Systems magazine打广告的公司调查显示：去年由于看到Systems magazine上的广告而下订单而下订单的人中，绝大多数年龄在35岁以下

30% VS most(绝大多数)--》许多下单的人并不是的Systems magazine订阅者（可能订阅者的朋友或家人）

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