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Prep2012-P CR-038 VCR002878 Medium
Surveys in Domorica indicate that only 10 percent of Domoricans in their twenties read a newspaper regularly, while more than half of all Domoricans over thirty read a newspaper regularly. Although Domoricans in their twenties constitute a large proportion of the population, newspaper publishers nonetheless predict that ten years from now, the percentage of Domoricans who regularly read a newspaper will probably be no lower than it is today.
Which of the following, if true, provides the strongest grounds for the newspaper publishers’ prediction?
A. The number of Domoricans in their twenties is less than the number of Domoricans over thirty.
B. The number of newspapers in Domorica has been gradually increasing over the past several decades.
C. The proportion of Domoricans in their twenties who regularly read a newspaper has always been low.
D. The surveys defined a regular reader of a newspaper as someone who reads a newspaper more than twice a week.
E. The proportion of Domoricans who regularly read a newspaper was higher 20 years ago than it is today.
OA is C I do not understand why C is the answer. This is my logic flow. Since a large portion of the population (the twenities ) will became over thirty. The portion who read newspaper regularly will increase since 50% of a large number will contribute more compared to 10% times the large twenites. Do not know why C is relevent.
Thank you so much!作者: doudoucc 时间: 2013-5-13 19:02
说白了就是always be low怎么也比lower and lower强。。哈哈作者: JessicaHuo 时间: 2013-5-16 18:55
Ten years later, the 20-year-old Domoricans will grow up while the 30-year-old Domoricans will be 40.So the only way to keep the number of Domoricans reading newspaper regularly constant is that the 20-year-old Domoricans now will learn to read newspaper regularly over the next decade.According to C, the proportion of Domoricans in their twenties who were reading newspaper regularly used to be low. As a result, I reckon that most of Domoricans will start to read newspaper regularly between 20 years old and 30 years old. So I choose C.
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