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20201104初三化学(人教版)爱护水资源

视频地址：https://video.cache.bdschool.cn/vd/1bfdcba709b8312ac1f5cf25899908b2.mp4
附件： 20201104初三化学(人教版)爱护水资源-1教学设计.docx
附件： 20201104初三化学(人教版)爱护水资源-2PPT.pptx
附件： 20201104初三化学(人教版)爱护水资源-3任务单.docx
附件： 20201104初三化学(人教版)爱护水资源-4练习题.docx

17 views Jul 15, 2021

20201029初三化学(北京版)第4章最常见的液体——水复习 20201104初三化学(北京版)第5章化学元素与物质组成的表示第一节初步认识化学元素（2）

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