在各种教学模式中,师生互动是教学过程的一个重要环节,也是必不可少的。近几年出现不少学生为主的课堂模式研究,如导学案进课堂的研学模式;又如研学后教一以学生自主探究为主体的导学模式。无论哪种教学模式,师生互动都是课堂中必不可少的一环,都不应该被忽略。课堂教学中,把知识点设置成一个个情境问答的环节,让教师在问答之间把知识进行讲授,可使学生在问答之间对知识进行建构。 In various teaching modes, interaction between teachers and students is an important part of the teaching process and is also indispensable. In recent years there have been many student-centered classroom mode research, such as the case study guided into the classroom research model; another example, after the teaching of a student-based inquiry as the main teaching mode. No matter what kind of teaching model, teacher-student interaction is an essential part of the classroom, should not be ignored. Classroom teaching, the knowledge point is set to a contextual Q & A session, so that teachers in the Q & A of knowledge to teach, allows students to build knowledge between question and answer.