运用多媒体课件能为课堂教学提供广泛的视听空间,更好地展现教师意图,提高课堂效率。多媒体的设计应有明确的目标,为教学设计服务,每一课时的课件应有一条主线,可以以课本中某一人物或话题而设计,不要过多地涉及学生不熟悉的人物和场景,以免分散学生的注意力。在把握好使用度的前提 The use of multimedia courseware can provide a wide range of audio-visual space for classroom teaching, better demonstrating teacher’s intentions and improving classroom efficiency. The design of multimedia should have clear goals. Design services for instruction. There should be a main thread for each class of courseware. It can be designed as a character or topic in the textbook, and it should not involve too many unfamiliar characters and scenes. Distract students’ attention. Prerequisites for good use