题目热身活动切忌过多过长,一般()分钟。A. 5-10B. 10-15C. 15-20D. 20-30热身活动切忌过多过长,一般()分钟。A. 5-10B. 10-15C. 15-20D. 20-30题目解答答案C. 15-20