近年来,随着现代化教育手段的迅速普及,现代化课程建设已经迈向了一个全面开放的崭新领域。教师运用多媒体对文字、图象、声音以及动画、影视等的综合处理,达到了声、图、文并茂的情景教学效果;通过对时间、空间的多维创新,使抽象深奥的问题直观形象化。能有效地减轻学生课业负担、激发学习兴趣和学习的积极性,使学生“乐学”落到实处,提高了课堂教学效率。恰当的媒体选择,其教学功能发挥与教学的需求相一 In recent years, with the rapid popularization of modern education means, the construction of modern curriculum has entered a completely open and completely new field. Teachers use multimedia to comprehensively deal with texts, images, sounds, animations, films and the like, and achieve the effect of teaching scenes with sound, pictures and texts. Through the multi-dimensional innovation of time and space, the abstract and profound problems are visualized. Can effectively reduce the burden on students’ homework, stimulate their interest in learning and the enthusiasm of learning, so as to make the student “music ” practically and improve the efficiency of classroom teaching. Appropriate media choices, their teaching function and teaching needs to play one