Newspaper editorial:
In an attempt to reduce the crime rate, the governor is getting tough on criminals and making prison conditions harsher. Part of this effort has been to deny inmates the access they formerly had to college-level courses. However, this action is clearly counter to the governor’s ultimate goal, since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.
Which of the following is an assumption on which the argument depends?
这道题为什么不是A呢？GWD给的答案是C.
Come to think it again, I am more convinced that A is a better choice.
There are many factors that will affect the overall crime rate, the final outcome depends on the net effects of all these factors. For example, if more people get detered from commiting the crimes (because of the tougher punishment) than those who commit crimes again because they get deprived of the chance of more education, then the overall crime rate will drop, just as the governor expects.
So if A is not the assumption, then there is a serious flaw in the logic of the argument. It must be that the author assumes that getting tougher with the punishment will not deter people from commiting crimes (thus, there will not be any significant decrease in the number of crimes committed by people generally), and at the same time the author thinks that taking away the education will increase the number of crimes committed by people who would otherwise not cimmit these crimes should they have the chance of more education, so the author believes that the overall effect is the increase of the crime rate. In other words, if author didn't assume A, he/she can't get the conclusion that "this action is clearly counter to the governor’s ultimate goal".
Above is my analysis, please share your insights with me. Your input will be greatly appreciated.
但A在这里是说"不上课不太可能阻止犯罪",是不是我哪里没看到呢? 还有,"取非"是指? 谢谢mbz.
A) Not being able to take college-level courses while in prison is unlikely to deter anyone from a crime that he or she might otherwise have committed.
is not the same as:
Taking college-level courses while in prision is likely to deter anyone from a crime that he or she might otherwise have committed. (this one can be an assumption, but not choice A)
But A doesn't mean "taking college-level courses is basically the only way to stop future crime." at all. I think A means: A person who is going to commit crime is not going to stop doing it if only he knows that he will not get college level courses when he gets caught and put in prison. That is: Getting tougher will not deter people from commiting the crime they might otherwise have committed.
Please correct me if I am wrong.
I found some discussion here: http://forum.chasedream.com/dispbbs.asp?BoardID=24&replyID=836102&id=91469&skin=0
Seems like A is the prefered answer.
Thanks.
到底是A还是C
初一看也会选A的，不过C更贴切，A说了不能上课的情形，不是文中讨论的重点。
c取非直接就可以削弱 文中的结论。
答案是A
a取非为：在监狱里不读书也可能阻止犯罪。直接削弱
c的重点在于是否有意愿上课，而不是已经上课与前提since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.没关系。
第一选择是C,看了楼主的解释，还有引用帖子里各位NN的讨论，整整考虑研究了3个小时到底是A还是C.
还是觉得C好。
题目的argument是， 因为A牢里上过课的人出来以后比其他人犯罪远远少的多，所以B（禁止上课的）措施和（降低犯罪率）的最终目标是相背离的。
Argument成立有三种情况。
1. A和B有本质联系。
2. A有意义或者A可行
3. 除了A以外没有别的因素影响B。
选项C，是典型的第3类，除了牢里上课，没有因素（如人的本性）等会影响结论B。
选项A,“不能上课不能阻止任何犯罪”，直接针对B结论，进行论述，有可能加强或削弱结论B, 但不能构成Assumption。
总体感觉选项C作为Assumption答案更加直接一点。
此外，选项C和原题中after being released, 对照的非常好，加强关联度。
最后发现了一些定义，很有用。
Conclusion
As stated in the argument introduction, the conclusion of an argument is the point that the author of the argument is attempting to convey most; it is the position that he is trying to make you believe. The conclusion of an argument on the GMAT does not support any other part of the argument. It stands alone as an assertion and is supported by other parts of the argument. Concluding words such as therefore, thus, hence, and even in
conclusion, often indicate that the conclusion is about to be stated. Keep in mind that since this is the author?s opinion it is not necessarily true.
Premises (reasons)
The premises of an argument are used to support the conclusion. The author attempts to convince you of his conclusion by presenting you with his reasons for believing it to be true. The form of those reasons could be statistics, observations, generalizations, or anecdotes. No matter what the form, the evidence must be treated as TRUTH. We cannot contest the validity of the premises presented.
Assumptions
The assumption is an unstated link that ties together the conclusion of the argument and the premises offered in support of that conclusion. The assumption is a piece of evidence that the author needs for his argument to be logically valid but one that he does not present. The validity of an argument depends on the validity of the assumptions it makes.
A是一个support选项，但不是一个assumption。如果A取反，“不参加课程很可能阻止人们犯罪”，这个只是支持了减少犯罪的结论。但是对作者的结论并没有削弱。因为作者关心的是，在狱中接受过课程的人（而不是谈论没有进去的罪犯），出来后犯罪率会下降。A取反，作者的推论仍然成立。
同意C
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