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SectionA第一课时(1a-1c)Unit13We’retryingtosavetheearth.litterv.乱扔n.垃圾；废弃物bottomn.底部；最下部fishermann.钓鱼的人loudmusic...
Unit13We’retryingtosavetheearth第一课时(SectionA)情境引入Leading-inLookatthefollowingpicturesnoisepollutionairpollutionwaterpollu...
【课堂内外】九年级英语全册 Unit 13 We’re trying to save the earth（第1课时）课件.ppt
