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九年級英語全冊unit13we’retryingtosavetheearthsectiona1a-2d課件新人教版(2)(參考版)

2025-06-18 00:23本頁面
  

【正文】 Unit 13 We’re trying to save the earth! Section A (1a2d) Here are kinds of pollution. Air pollution Water pollution Noise pollution Light pollution Land pollution Listen to 1b and plete the sentences What was the problem? The river was _______. Even the botton of the river was full of _____. There were no more ____
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