传统的课堂教学通常是用文字、语言、动作等表达方式把知识传授给学生,有时为了直观起见,也会借助一些实物、模型等辅助教学工具来演示和阐述需要讲解的内容。他们在教学中虽起到了一定的作用,但有其局限性,而多媒体教学把常规的传授与声、光、色、形等电教手段融为一体,可以优 Traditional classroom teaching usually uses knowledge of words, language, and actions to impart knowledge to students. Sometimes, for the sake of intuition, it also uses some physical tools, models, and other auxiliary teaching tools to demonstrate and explain the contents that need to be explained. Although they played a role in teaching, they have their limitations. Multimedia teaching integrates conventional teaching with audio, light, color and shape audio-visual teaching methods.