课堂是人们获得知识的一个真实场景,教学活动本质上是一种实践过程,是师生间展开的具有丰富意义的实践过程。信息论认为,课堂教学的信息与传递过程是以下面模式进行的: Classroom is a real scene for people to acquire knowledge. Teaching activities are essentially a process of practice, which is an enriching practical process carried out by teachers and students. Information theory believes that the process of information and delivery in classroom teaching is based on the following patterns: