1前言在课堂教学中,学生的疑问主要来源于师生、生生之间的对话。对话教学作为一种新的课改理念,倡导建构新的、开放的、生成性的、充满生命力的对话式教学体系。基于对话的“问思”教学打破了教师长期对知识的“垄断”地位和对学生思维的高度约束,教师在教学中根据教学内容和学生的认知水平,精心设计课堂对话问题,留出学生的思维空间,激发学生思考 1 Preface In the classroom teaching, students' questions mainly come from the dialogue between teachers and students, life and life. Dialogue teaching as a new concept of curriculum reform, advocating the construction of a new, open, productive, full of vitality of dialogue teaching system. Based on dialogue, “thinking and thinking” teaching breaks the long-term “monopoly” position of knowledge and the high degree of restraint on students 'thinking. Teachers should elaborate the dialogue in classroom based on the teaching content and students' cognitive level , Leaving students space for thinking, to stimulate students to think