高效课堂教学,是国内外教育界追求的共同目标,也是各国教育研究的热点课题。在我国虽然对高效课堂教学的研究很多,但不同学校、不同学生,对高效课堂的教学要求也不同。新课程实施以来,教学中存在一个比较突出的问题:必修和选修教材版本多,教学时间紧。教师还丢不下旧教材教学方法的影子,容易造成教学的高强度低效率,学生学得累,教师教得累。教学效率与课业负担是一对孪生兄弟,课堂教学效率高,学生课业负担相对较轻,课堂教学效率低,学生课业 Efficient classroom teaching is the common goal pursued by the educational circles both at home and abroad and is also a hot topic in educational research in all countries. Although there are many researches on efficient classroom teaching in our country, different schools and different students have different teaching requirements for efficient classroom. Since the implementation of the new curriculum, teaching there is a more prominent problem: the compulsory and elective textbook versions, teaching time is tight. Teachers also throw the shadow of teaching methods of old materials, easily lead to high intensity and low efficiency of teaching, students learn tired, tired of teaching teachers. The efficiency of teaching and the burden of classwork are twin brothers. Classroom teaching is efficient, students ’academic burden is relatively light, classroom teaching is inefficient, and students’ classwork