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教材分析教材选自义务教育课程标准实验教科书《化学》(人教版)九年级上册第六单元课题3。教材中有关二氧化碳的教学内容主要是
Textbook analysis materials from the compulsory education curriculum standard experimental textbook “Chemistry” (PEP) grade nine volumes on the sixth unit task 3. Teaching materials mainly about carbon dioxide teaching content