在课堂教学中，教师为主导，学生为主体，让学生在教师的引导启发下主动学习、主动发展，这已成为大家的共识。然而，考察我们课堂教学的实际状况，似乎“做的不如说的好”：人人都知道让学生成为课堂主人的重要性，可是到了课堂上教师就不由自主地成为主人，而学生一如既往地 In classroom teaching, teachers as the leading, students as the main body, allowing students to take the initiative to learn under the guidance of teachers, take the initiative to develop, it has become everyone's consensus. However, looking at the actual situation of our classroom teaching, it seems “to do better than that.” Everyone knows the importance of having students become masters of the classroom. However, in the classroom, teachers can not help becoming masters, and as always,