随着现代科学技术的发展,具有综合性多媒体的电教法正为越来越多国外中小学所接受和运用,它对实现教学过程的最优化显示了独到的价值。 鉴于目前中学现有的条件,适当地运用电视、录像的教学是切实可行的。电视片能综合文字、声音、图像三种媒体的长处进行优化组合。它有声有色,生动形象,对调动学生学习兴趣、丰富学生的感知、加速新概念的形成、增大信息容量、提高学生观察能力、听 With the development of modern science and technology, the audio-visual teaching method with comprehensive multimedia is being accepted and used by more and more foreign primary and secondary schools. It shows unique value for the optimization of the teaching process. Given the current conditions of secondary schools, the proper use of television and video teaching is practical. The TV series can optimize the combination of the strengths of the three media: text, sound, and image. It is a vivid and vivid image that mobilizes students’ interest in learning, enriches students’ perceptions, accelerates the formation of new concepts, increases information capacity, improves students’ observation ability, and