多媒体的运用是当今教学手段的一种重大改革。随着科学技术的发展,多媒体被越来越多地使用于各科教学中。在应用中它既创设了教学情景,提高了教学效率和学生的审美能力,同时又有力地加强了教学的直观性、生动性,收到了很好的教学效果。多媒体计算机辅助教学,即CAI(computerassi The use of multimedia is a major reform of today’s teaching methods. With the development of science and technology, multimedia is increasingly used in various subjects. In the application, it not only created a teaching scenario, improved the teaching efficiency and the students’ aesthetic ability, but also effectively strengthened the intuitiveness and vividness of teaching, and received a very good teaching effect. Multimedia Computer Aided Instruction (CAI)