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初三化学(人教版)空气(第一课时)

视频地址：https://video.cache.bdschool.cn/vd/74961dc4b84565ea3169dcd0e449ff66.mp4
附件：空气（第一课时）.pptx
附件：空气（第一课时）-教学设计.docx
附件：空气（第一课时）-练习题.docx
附件：空气（第一课时）-任务单.docx
附件：其他多媒体素材.zip

16 views Jul 15, 2021

初三化学(北京版)第2章空气之谜第二节氧气的制法(1) 初三化学(北京版)第2章空气之谜第二节氧气的制法(2)

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