多媒体作为现代化教学的一种手段,以其生动、直观形象,丰富的内容表现形式,极大地激发学生学习兴趣和学习积极性,使学生更为轻松、愉快、高效地获取知识。促进教学内容的呈现方式,学生的学习方式,教师的教学方式和师生互动方式的变革,使课堂真正成为学生自主参与、自主探索、自主 As a means of modern teaching, multimedia, with its vivid, visual image and rich content expression, greatly stimulates students' interest and enthusiasm in learning so that students can acquire knowledge more easily, happily and efficiently. Promote the presentation of teaching content, students 'learning methods, teachers' teaching methods and the interaction between teachers and students so that the classroom can truly become the student's independent participation, independent exploration, autonomy