一、练习手段选择的依据自垫球在本案例中出现两次。第一次是在准备活动后,笔者认为这次出现不合理,因为,在没有把握确定学生掌握排球技术的前提下,就让学生进行自垫练习,有的学生对何谓自垫球都不清楚,哪来的兴趣学习,正确的做法是让学生“玩”球,在玩的过程中发现学生动作表现的亮点,然后让其进行展示,这样 First, the basis for the choice of practice means since the ball appeared twice in this case. The first time I was preparing for the event, I thought this time it was unreasonable. Because, under the premise of not sure that the students had mastered the volleyball skills, students would be allowed to practice on their own. Some students were not clear about what was meant to be a ball. Where is the interest in learning, the correct approach is to allow students to “play” the ball, find the highlights of the student’s performance in the process of playing, and then let it be displayed,