课堂导入能吸引学生注意力,引导学生做好学习准备,快速进入学习状态的过程。巧妙的课堂导入,对于知识来说,能起到承上启下,温故知新的效果;对于学生来说,能激活学生思维,激发学生兴趣和求知欲,提高学习积极性。从而优化教学环境,营造良好的教学气氛,为整节课的顺利进行打下基础。 Class introduction to attract students’ attention, guide students to prepare for learning, rapid access to the learning process. Clever classroom introduction, for knowledge, can play a bearing on the new knowledge of the effect of warm; for students, can activate student thinking, stimulate student interest and curiosity, improve learning enthusiasm. Thus optimizing the teaching environment, creating a good teaching atmosphere and laying a foundation for the smooth progress of the entire class.