课堂导入是教师在课堂教学的起始环节中,采用各种教学媒体和教学方式,向学生引入新知识,引导学生迅速进入新课学习状态的一种活动方式。它是课堂教学的第一关。好的导入不仅是为一篇课文的教学开好头、起好步,更为重要的是,它能开启学生的心扉,引导学生思考教师提出的问题,能创造 The introduction of the classroom is a kind of activity that the teacher introduces the new knowledge to the students and guides the students to quickly enter the learning status of the new lesson in the initial steps of the classroom teaching by using various teaching media and teaching methods. It is the first level of classroom teaching. Good introduction is not only good for the teaching of a text, a good step, more importantly, it can open the hearts of students, guide students to think about the issues raised by teachers, to create