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标题: can any NN help me to give an explanation? [打印本页]

作者: flolentina 时间: 2008-7-3 00:11
标题: can any NN help me to give an explanation?

in GWD there is one question as follows

In each of the past five years, Barraland’s prison population has increased. Yet, according to official government statistics, for none of those years has there been either an increase in the number of criminal cases brought to trial, or an increase in the rate at which convictions have been obtained. Clearly, therefore, the percentage of people convicted of crimes who are being given prison sentences is on the increase.

Which of the following, if true, most seriously weakens the argument?

In Barraland the range of punishments that can be imposed instead of a prison sentence is wide.
Over the last ten years, overcrowding in the prisons of Barraland has essentially been eliminated as a result of an ambitious program of prison construction.
Ten years ago, Barraland reformed its criminal justice system, imposing longer minimum sentences for those crimes for which a prison sentence had long been .
Barraland has been supervising convicts on parole more closely in recent years, with the result that parole violations have become significantly less frequent.
The number of people in Barraland who feel that crime is on the increase is significantly greater now than it was five years ago.

the official answer is choice C ? I am not quite understand it why.

Can Any NN who also have encountered with this question please help me to give a reasoning process? many thanks

作者: LuckyKitten 时间: 2008-7-3 10:41

我不知道自己的理解对不对：

number of people in the prison= existing convicts in the prison (存量) + new ones （流量）

new prisoners又由number of cases brough to the trial， rate of conviction， percentage of people convicted of crimes who are being given prison sentences 这些因素决定

文章说因为前两个因素没有上升，所以推得是第三个因素上升导致在监狱中的凡人多了

而C说，Barraland改革了criminal justice system，所以被判入狱的最低年限长了，也就是说存量多了

所以就削弱了argument

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