俗话说:“良好的开端是成功的一半。”多年的物理教学让人体会到,精彩的新课导入是一节课非常重要的一个环节,是上好一堂成功新课的第一步,精彩、巧妙、富有感染力的课堂导入,能在第一时间吸引学生的注意力,一下子将他们的思维引入到本节课的学习中去,其学习的积极性和兴趣都被调动起来,学习效果不言而喻。 As the saying goes: “Good start is half done. ” Many years of physical teaching let people realize that the wonderful introduction of new course is a very important part of a course is a good first step in a successful new class , Wonderful, clever, contagious classroom introduction, can attract students’ attention in the first time, all of a sudden their thinking into the study of this class to, their enthusiasm and interest in learning have been mobilized, Learning performance is self-evident.