“教学衔接”对学生融人高中学习氛围、适应高中教学节奏有着至关重要的作用,同时也是当前我国高中阶段化学教学工作中的重点和难点。我们需要从当前阶段学生的生理特点和心理特点出发,不断改进教学方式方法,对观念衔接、方法衔接以及知识衔接三项工作给 “Teaching Connection ” plays an important role in integrating students’ learning atmosphere into high school and adapting to the rhythm of high school teaching. It is also a key and difficult point in current high school chemistry teaching in our country. We need to start from the current physiological and psychological characteristics of students, and constantly improve the teaching methods and methods, the concept of convergence, convergence of methods and knowledge of the three tasks