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
- 题目分类：英语四级
- 题目类型：单选题
- 号外号外：注册会员即送体验阅读点！
According to the survey, how many of the college students in the US say they enjoy their life?