To bring Stratified group teaching into effect well , Firstly we should help student nurturance good attitude to study and build up scientific view of value. 研究结果表明实施分层次教学有利于调动学生的学习积极性和主动性，有利于所有学生的提高和学生全面素质的培养，有利于课堂教学效率的提高。
The lively audio-visual display used in multi-media audio-visual teaching not only enriches the teaching resources and teaching methods, but also improves the teaching efficiency. 摘要多媒体电教设备教学采用生动活泼的声像显示，不仅丰富了教学资源，扩充了教学手段，而且提高了课堂教学效率。
