“自主开放”和“互动生成”是新一轮中学体育课程与教学改革的一个重要特点,这一特点使不少体育教师感到用传统的教学方式难以驾驭课堂教学。因此,需要寻求新的对策:其一,在课前设计教学预案时应根据课堂开放性与生成性的特点,在各个环节设计上都要充分留有余地,做到“弹性设计”;其二,在课中实施时,教师应确立课中教材开 “Self-opening” and “interaction generation” are an important feature of the new round of middle school PE curriculum and teaching reform. This feature makes many PE teachers feel that it is difficult to control classroom teaching with traditional teaching methods. Therefore, new countermeasures need to be sought: First, in the design of teaching plans before class, according to the characteristics of classroom openness and generativeness, we must leave sufficient room for the design of each link to achieve “elastic design”; In the course of the class, teachers should establish the teaching materials in the class.