一堂好课,有一个设计合理、内容完整的板书,固然是好,但是若想让学生把本节课所学的知识理解透、掌握深,在教学中还必须发挥“副板书”的作用。所谓副板书,就是在讲课过程中,不能列入板书之中,但又与本节课的教学有密切的关系,并能帮助同学们对所学知识的理解,辅助教学的字、词、知识点或草图等。我在教学中应用了如下几类副板书: It is good to have a well-designed and well-integrated board for a good class. However, if students are to understand and master the knowledge learned in this class, they must also play the role of “sub-board”. The so-called “sub-books” are not included in the book during the course of lectures, but they are closely related to the teaching of this lesson and can help the students understand the knowledge they have learned, and assist in the teaching of words, words, and knowledge. Points or sketches, etc. I applied the following types of sub-boards in my teaching: