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淘教师用书
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1.Pollution has caused too many problems.(Page34)
上一篇：1.Pollution has caused too many problems.(Page33)下一篇：2.All these problems are very serious.(Page35)
淘教师用书
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淘朗读录音MP3音频
仁爱版初中英语九年级上册英语目录 
仁爱版初中英语九年级上册Unit 1 The Changing World 
仁爱版初中英语九年级上册Unit 2 Saving the Earth 
仁爱版初中英语九年级上册Review of Units 1-2