以下是gre考生参加2011年10月北美新gre机考作文的题目，并且附注了他所参加考试的考点信息，希望对其他新g考生有所帮助。

　　考试时间：2011年10月11日

　　考试地点：北美

　　issue：

　　Claim: The best test of an argument is its ability to convince someone with an opposing viewpoint. Reason: Only by being forced to defend an idea against the doubts and contrasting views of others does one really discover the value of that idea.

　　argument：

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　　The following appeared in a health newsletter.

　　"A ten-year nationwide study of the effectiveness of wearing a helmet while bicycling indicates that ten years ago, approximately 35 percent of all bicyclists reported wearing helmets, whereas today that number is nearly 80 percent. Another study, however, suggests that during the same ten-year period, the number of bicycle-related accidents has increased 200 percent. These results demonstrate that bicyclists feel safer because they are wearing helmets, and they take more risks as a result. Thus, to reduce the number of serious injuries from bicycle accidents, the government should concentrate more on educating people about bicycle safety and less on encouraging or requiring bicyclists to wear helmets."

　　Write a response in which you examine the stated and/or unstated assumptions of the argument. Be sure to explain how the argument depends on these assumptions and what the implications are for the argument if the assumptions prove unwarranted.

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