高质量、高效率的课堂教学要有学生的积极参与。只有学生主动地学、有兴致地学,才能取得教学的成功。为此,课程改革应始终注重这样几个环节:课前精心准备(集体备课)、课堂精心设计(师生双向互动)、课后反思,达到充分优化课堂教学的目的——把学生当作学 High quality, efficient classroom teaching requires the active participation of students. Only students take the initiative to learn, interested to learn, in order to achieve the success of teaching. To this end, the curriculum reform should always focus on such aspects as: meticulous preparation (class preparation), careful design of the classroom (two-way interaction between teachers and students), reflection after class, to fully optimize the classroom teaching purposes - to students as a school