“同课异构”是基于师本教研的考虑,以教学理论为支撑点,以教师发展和教学研究为着眼点,以教学案例和教学评论为着力点的一种教研方式。它是教师为了解决相同的教学问题,达到相同的教学目标,遵循相同的教学规律,依据相同的课程标准,针对相同的教材课题、相同的教学内容,依据学生的实际情况、教学的现有条件和教师自 “Lesson heterogeneous ” is based on the teacher’s teaching and research considerations, teaching theory as a support point, teacher development and teaching and research as a point of view, teaching cases and teaching reviews as a focal point of teaching and research. It is the teacher in order to solve the same teaching problems, to achieve the same teaching objectives, follow the same teaching rules, according to the same curriculum standards for the same teaching materials, the same teaching content, based on the actual situation of students, the teaching of the existing conditions And teachers since