探索优化的课堂教学方法并构建自主高效的课堂教学模式,是当今课程改革中的一项重要任务.实现教师由教学活动的主宰者、指挥者真正转变为学生学习活动的组织者、引导者、合作者,引导学生积极主动地参与教学过程,是课程改革对教师角色转变的要求.教师根据学生的心理、生理特点, It is an important task in current curriculum reform to explore optimized classroom teaching methods and to construct an autonomous and efficient classroom teaching mode.It realizes that teachers should be changed from masters and commanders of teaching activities to organizers and guides of students’ learning activities, Collaborators and guide students to actively participate in the teaching process, is the curriculum reform requirements of teachers ’role change.Teachers based on the students’ psychological and physiological characteristics,