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三年级科学(人教版)-呼吸器官（一）

视频地址：https://video.cache.bdschool.cn/vd/91be0f1b81f2ca8d97d799744fa1fd40.mp4
附件： 1125三年级【科学(人教版)】呼吸器官（一）-2PPT课件.pptx
附件： 1125三年级【科学(人教版)】呼吸器官（一）-3学习任务单.docx
附件： 1125三年级【科学(人教版)】呼吸器官（一）-1教学设计.docx
附件： 1125三年级【科学(人教版)】呼吸器官（一）-4练习题.docx

18 views Jul 15, 2021

三年级科学(人教版)-呼吸器官（二）三年级科学(人教版)-建筑中的材料

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