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运用录像、电视、投影和多媒体等电教手段辅助开展生物课外活动，可克服师资、场地。设施的不足，激发学生的积极性，培养提高学生的实践能力。l运用电教媒体，激励学生参与活动我们利用学校闭路电视选择播放“动物世界”、“人与自然”等科教电视片段，使丰富多彩的自然世界，
The use of video, television, projection and multimedia and other audio-visual teaching aids in the development of extracurricular activities can overcome teachers and venues. The insufficiency of facilities stimulates the enthusiasm of students and cultivates students’ practical ability. l Use of audio-visual education media to motivate students to participate in activities We use school closed-circuit television to choose to broadcast “science and education TV episodes” such as “animal world” and “human and nature” to make a rich and colorful natural world.