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一、引言在信息技术飞速发展的今天,多媒体教学设备已成为学校日常教学的必备工具。我国教育部在2004年颁发了大学英语课程教学要求(试行)的通知,提出各高等学校应\\\"充分利用多媒体和网络技术,采用新的教学模式改进原来的以教师讲授为主的单一课堂教学模式\\\"。近年来,各级各类学校用于多媒体教室建设的投资规模不断扩大,多媒体教室的数量也在成倍增加,为教师课堂教学提供了良好的教学平台。以动态,
I. INTRODUCTION Today, with the rapid development of information technology, multimedia teaching equipment has become an indispensable tool for daily teaching in schools. The Ministry of Education of China issued the Notice on Teach-in of College English Curriculum (Trial Implementation) in 2004, proposing that colleges and universities should \"make full use of multimedia and network technologies and adopt new teaching modes to improve the original single-class teaching based on teachers\' teaching mode\\\". In recent years, all kinds of schools at all levels for the construction of multimedia classroom investment continues to expand, the number of multimedia classrooms are also doubled, providing a good teaching platform for teachers in classroom teaching. With dynamic,