题目内容：
According to the author, sporting activities______. A. are essential to the survival
B. have actually developed from hunting
C. evolve as biological development
D. are football games
参考答案：
选择题：According to the author, sporting activities______
- 题目分类：西北大学-行政管理-大学英语（上）
- 题目类型：选择题
- 查看权限：VIP
A. are essential to the survival
B. have actually developed from hunting
C. evolve as biological development
D. are football games