人教版九年级全册Unit 13 We're trying to save the earth!Section A 语法讲解 课件(共17张PPT)

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人教版九年级英语Unit 13 We're trying to save the earth! Section B(共16张PPT)

Unit 13 We're trying to save the earth! Section A 单词讲解课件 (共26张PPT)

人教版九年级全册 Unit 13 We're trying to save the earth!Section B (3a-self check) 课件+素材 (共19张PPT)

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Unit13 We're trying to save the earth! SectionA(3a-3b)课件(共26张PPT)