哪些错误会影响GMAT作文的最终成绩呢?下面将会对GMAT作文中容易出现的各种错误进行盘点，正在备考GMAT作文的同学不妨加以参考。

　　GMAT作文容易犯的错误之一：无因果联系

　　The author commits a fallacy of causal oversimplification. The line of the reasoning is that because A occurred bore B, the former event is responsible for the latter. (The author uses the positive correlation between A and B to establish causality. However, the fact that A coincides with B does not necessarily prove that A caused B.) But this is fallacious reasoning unless other possible causal explanations have been considered and ruled out. For example, perhaps C is the cause of these events or perhaps B is caused by D.

　　GMAT作文容易犯的错误之二：样本不足 Insufficient-sample

　　The evidence the author provides is insufficient to support the conclusion drawn from it. One example is logically unsounded to establish a general conclusion (The statistics from only a few recent years are not necessarily a good indicator of future trends), unless it can be shown that A1 is representative of all A. It is possible that.... In fact, in face of such limited evidence, the conclusion that B is completely unwarranted.

　　GMAT作文容易犯的错误之三: 错误类比 (based on a false analogy )<横向>

　　The argument rests on the assumption that A is analogous to B in all respects. This assumption is weak, since although there are points of comparison between A and B, there is much dissimilarity as well. For example, A..., however, B.... Thus, it is likely much more difficult for B to do....

　　GMAT作文容易犯的错误之四：时地全等 all things are equal<纵向>

　　The author commits the fallacy of “all things are equal”. The fact that happened two years ago is not a sound evidence to draw a conclusion that.... The author assumes without justification that the background conditions have remained the same at different times or at different locations. However, it is not clear in this argument whether the current conditions at AA are the same as they used to be two years ago. Thus it is impossible to conclude that....

　　GMAT作文容易犯的错误之五： 二者择一 Either-Or choice

　　The author assumes that AA and BB are mutually exclusive alternatives and there is no room for a middle ground. However, the author provides no reason for imposing an either-or choice. Common sense tells us that adjusting both AA and BB might produce better results.

　　GMAT作文容易犯的错误之六： 可疑调查 survey is doubtful

　　The poll cited by the author is too vague to be informative. The claim does not indicate who conducted the poll, who responded, or when, where and how the poll was conducted. (Lacking information about the number of people surveyed and the number of respondents, it is impossible to access the validity of the results. For example, if 200 persons were surveyed but only 2 responded, the conclusion that...would be highly suspect. Because the argument offers no evidence that would rule out this kind of interpretations,) Until these questions are answered, the results of the survey are worthless as evidence for the conclusion.

　　GMAT作文容易犯的错误之七： 结论无据 gratuitous assumption

　　The author falsely depends on gratuitous assumption that.... However, no evidence is stated in the argument to support this assumption. In fact, this is not necessarily the case. For example, it is more likely that.... Therore, this argument is unwarranted without ruling out such possibility

　　以上对GMAT作文的7种常见错误进行了简单的分析，考生可以根据以上给出的内容进行针对性的练习，尽量避免在GMAT写作的考试中出现以上问题，从而影响GMAT考试成绩。相关链接：

1.GMAT机经汇总 12月6日更新作文机经AA部分

2.GMAT考试作文机经AA部分 12月16日更新（十一）

3.GMAT考试作文机经AA部分 12月16日更新（十）

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