长期以来，我国中小学课堂教学存在一个严重问题，即学生自主学习空间萎缩，具体表现为：教师权威高于一切，对学生要求太严太死；课堂气氛沉闷，缺乏生命活力；教师问多少，学生答多少，教师教多少，学生学多少。长此以往，学生在学习上依赖性增强，厌学情绪明显，学习效益低 For a long time, there is a serious problem in the classroom teaching in primary and secondary schools in our country, that is, shrinking of students’ autonomous learning space. The concrete manifestation is as follows: teachers’ authority surpasses all, students’ demands are too strict and dead; classroom atmosphere is dull and lack vitality; How many students answer, how many teachers teach students how much. Over time, students rely more on their studies, have obvious emotional tiredness, and learn less effectively