为将教师、学生、教材三个课堂教学基本因素协调好，我们探索设计了如下教学环节。　　一、成功的导言是上好新课的基础　　导入新课，教师要注意采用多种形式，激发兴趣，沟通情感，诱发学生求知欲望，使学生积极思维，主动探索。例如讲：《电的知识和安全用电》，以不懂用电 In order to coordinate the basic factors of teaching teachers, students and teaching materials, we have explored and designed the following teaching steps. First, the introduction of success is the basis for a good new course into a new lesson, teachers should pay attention to using a variety of forms, to stimulate interest, communicate emotions, induced students desire for knowledge, so that students actively thinking and take the initiative to explore. For example: “Electricity knowledge and safety of electricity” to understand electricity