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题库 / GMATLA-CR-64
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 mandatory.
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.
P：过去5年中每一年监狱中的犯人人数都增加。但是每一年都是1）法庭立案数没有增加. 2) 定罪数没有增加
C: 增加的原因一定是定罪的人中被送进监狱的比例增加了
预判方向：监狱的人数=原人数+新进去的-释放的
原人数不变，监狱的人数增加，可能是新进去的多了，也可能是释放的少了
他因削弱： 10年前开始施加了一个更长的最低刑期，说明是释放的少了。
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