随着现代教育技术的发展,多媒体技术在课堂教学中已经得到广泛应用,多媒体教学有着传统教学手段无法比拟的优势和特点。合理利用多媒体声光同步、视听结合的优势来进行教学,能够使教学内容形象、生动,富有感染力。这是有目共睹的,毋庸置疑的。但是,如果乱用多媒体,不加节制地利用多媒体,多媒体就起 With the development of modern educational technology, multimedia technology has been widely used in classroom teaching. Multimedia teaching has the advantages and characteristics that traditional teaching methods can not match. Rational use of multimedia sound and light synchronization, audio-visual combination of the advantages of teaching, teaching content can make the image, vivid, contagious. This is obvious to all, no doubt. However, if multimedia is used indiscriminately, multimedia is used uncontrolled and multimedia is used