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为了方便广大考生更好的复习，综合整理了备考资料：GMAT优秀作文精选，以供各位考生考试复习参考,希望对考生复习有所帮助。 Based upon a correlation between increases in movie violence and crime rates in cities, the author argues that to combat crime in cities we must either censor movies that contain violence or prohibit people who are under 21 years of age from viewing them. The author further argues that because legislators failed to pass a bill calling for these alternatives, they are not concerned with the problem of crime in our cities. The authors reasoning is unconvincing, since it suffers from two critical problems. To begin with, the authors solution to the problem rests on the claim that portrayals of violence in movies are the cause of crime in the cities. However, the evidence offered is insufficient to support this claim. A mere positive correlation between movie violence and city crime rates does not necessarily prove a causal relationship, in addition, all other prospective causes of city crime such as poverty or unemployment must be ruled out. As it stands, the authors solution to the problem is based upon an oversimplified analysis of the issue. Another problem with the argument is that the authors solution assumes that only persons under 21 years of age are adversely affected by movie violence. Ultimately, this means that the author is committed to the view that, for the most part, the perpetrators of crime in cities are juveniles under 21. Lacking evidence to support this view, the authors solution cannot be taken seriously. | 
