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工业污染 - PowerPoint PPT Presentation


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工业污染. 工业污染. 农业污染. 生活污染. 生活污染. 饱受煎熬的空气. 受苦受难的空气. 痛心的变化. 烟雾中的城市. 纯净的城市. 空气 ????. 保护空气宣传稿. 取材 : 中国科普网. www . kepu . net. 中国科普网. www . kepu . net. 1 、进入 “ 地球故事 ” 中的 “ 大气 ” 栏目. 2 、进入网页左边最下方 “ 大气污染 ” 栏目 ———— 查看文章 《 杀人雾 》.

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slide9

烟雾中的城市

纯净的城市

slide12

取材:中国科普网

www . kepu . net

slide13

中国科普网

www . kepu . net

1、进入“地球故事”中的“大气”栏目

2、进入网页左边最下方“大气污染”栏目

————查看文章《杀人雾》