采用多媒体教学方式,可以不受时空的限制,活化教材,将动静、声像结合,打破了传统的教学模式,既符合学生的认知规律,又促进了学生思维的多向发展。有了多媒体,教师可以结合教材,挖掘教材,制作课件,从多角度、多方位设计各种游戏、竞赛、问题,加大信息量的传 The use of multi-media teaching method can break the traditional teaching mode without the limitation of time and space, activate the teaching materials, combine the static and dynamic images and the audio and video, which not only meets the students ’cognitive rules but also promotes the multi-directional development of students’ thinking. With multimedia, teachers can combine teaching materials, mining materials, making courseware, from a multi-angle, multi-directional design of various games, competitions, issues, increase the amount of information transfer