题目内容：
阅读以下材料：回答题：
According to the survey, how many of the college students in the US say they enjoy their life?
参考答案：
答案解析：
单选题：阅读以下材料：回答题：According to the survey, how many of the college
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- 题目类型：单选题
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According to the survey, how many of the college students in the US say they enjoy their life?