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题库 / Prep2012-CR-38
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?
The number of Domoricans in their twenties is less than the number of Domoricans over thirty.
The number of newspapers in Domorica has been gradually increasing over the past several decades.
The proportion of Domoricans in their twenties who regularly read a newspaper has always been low.
The surveys defined a regular reader of a newspaper as someone who reads a newspaper more than twice a week.
The proportion of Domoricans who regularly read a newspaper was higher 20 years ago than it is today.
虽然做对了 但是是凭感觉排除的剩下的无关选项的。
想了一下觉得是逻辑的gap是用现在这批20岁的人读报比例少，推断10年之后的读报比例。
要想加强十年之后的读报的比例不会比现在低就要说明20岁不咋读报，30岁读报的人多了是一直以来的一个社会规律，不是这一代20岁比较特例。那么就说20岁读报比例一直这么低，现在的30岁爱读报的也是从那时候过来了，人们随着年龄增长趋向于爱读报纸，所以，十年过后，这批20岁到他们的30岁时候，读报的人数也会增加，符合社会演变的规律，总体读报比例保持稳定。
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