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教师合理选择使用电教媒体,在中学生物课堂教学中进行电化教学的优化设计,充分发挥不同电教媒体的作用,可以提高课堂教学效率。
Teachers choose the use of audio-visual media reasonably, optimize the teaching of electro-chemical teaching in middle school biology class teaching, give full play to the role of different audio-visual media and improve the efficiency of classroom teaching.