好的开头等于成功的一半，一节课成功与否与课的开头有很大关系。课一开始渗入适宜的趣话、谜语、幽默……能立刻反学生带进渴求知识的心理状态，有利于活跃课堂气氛，调动学生的学习兴趣，提高课堂教学效率。一、趣话开头教学比的意义的，保一开始我讲：“一个人去买袜子，他 A good beginning is equal to half of the success, a lesson success or not and the beginning of the lesson has a great relationship. Into the beginning of the class appropriate fun, riddles, humor ... ... immediately anti-student into the thirst for knowledge of the psychological state is conducive to active classroom atmosphere, to mobilize students' interest in learning and improve classroom teaching efficiency. First, the beginning of the teaching of interest than the meaning of education, Paul said the beginning of my life: "a person to buy socks, he