多媒体以信息丰富、综合处理、声像俱佳、动静皆宜的特点和超越时空的非凡表现力而获得了广大教师的青睐,从而极大地改变了教学的观念、方法、内容和形式,活跃了课堂气氛,充实和丰富了课堂教学内容,激发了学生的学习兴趣和求知欲,有效地提高了课堂教学的质量和效益,也成为中学 Multimedia is well-received by teachers because of its rich information, comprehensive processing, excellent audio and video, and dynamic and static features, as well as extraordinary expressions that transcend time and space. This has greatly changed the concept, method, content, and form of teaching. Classroom atmosphere enriched and enriched classroom teaching content, spurred students’ interest in learning and curiosity, effectively improved the quality and effectiveness of classroom teaching, and became a secondary school