师生互动的重要宗旨是让教师和学生充分参与到课堂教学中,而有效的课堂必须是师生互动的课堂。这样的课堂不仅能调动学生参与课堂的积极性,还能提高学生善于思考的深度、广度和频度,更重要的是能通过课堂教学达到掌握知识、培养能力和方法、进行情感、态度和价值观的教育。 The important purpose of interaction between teachers and students is to enable teachers and students to fully participate in classroom teaching, and effective classroom must be a classroom where teachers and students interact. Such a classroom can not only arouse students ’enthusiasm for participating in the classroom, but also improve the students’ depth, breadth and frequency of thinking, and more importantly, they can acquire knowledge, cultivate their abilities and methods, conduct feelings, attitudes and values ​​through classroom teaching education.