本文为大家提供的GMAT写作AA模版中三个直接驳斥还是很不错的，写给大家，希望对将要考的XDJM有点帮助。

开头：From this argument, we are informed that the author’s line of reasoning is that A was the cause of B. The validity of this conclusion must be, however, based on two assumptions. First, A and B should absolutely have the cause-and-fect relationship and second, only the occurrence of A causes B. The two basic assumptions, however, when under carul consideration, all fail to support the arguer’s conclusion.

直接驳斥可以管三种文体，1，两个现象。2，SAMPLE代替POPULATION。3，有相同点就有因果关系。

Direct critics:

A: phenomenon

Two phenomena are mentioned in the argument and A is regarded as the cause of B simply because of the coexistence of A and B (B happens immediately after the occurrence of A). If such a reasoning is right, we can assume a sequence of two facts that a terrible storm happens in US one day and a fly waves its wing just at the same moment (bore). With the same reasoning in the argument, it is not difficult to draw the conclusion that one movement of the wing of a fly in china causes a big storm in US. What is a ridiculous conclusion!

B: Sample represent the population:

A and B are both mentioned in the article. A is a situation in a sample and B in a population. We know that the sample statistics can never surely represent the population and vice versa. If sample and population can rlect the real situation each other, we can assume a sequence of facts that one person argue that all the computers in the PC World are ill-functioned with the reason that the computer he bought does not work properly. Obviously, such evidence is not sufficient.

C: exchange the concepts

The relationship of A and B in the article is just that there are some similar points that A and B present at the same time. However, if such a reasoning based on some similar points is right, we can presumptuously assume a fact that the professor in math department and a computer can all calculated very complex formula so they two are all eligible for the assessment of Nobile price. Obviously, any one with common sense will disagree such a ridiculous reasoning.

结尾，

End:

To sum up, the argument above lacks credibility and the reasoning of the arguer fails to support the conclusion. Admittedly, however, if the faults in the argument are corrected, more evidence is given and the existence of A and B is verified, the whole reasoning the argument would be more strong.

还应该有一段是驳斥别的东西，我觉得不太好，没写出来，考试时是临场发挥的。

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