九年级英语全册Unit13We'retryingtosavetheearthSectionA1a_2d教案新版人教新目标版
Section A (1a-2d) 1.重点单词:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,b
九年级英语全册Unit13We'retryingtosavetheearthSectionA1a_2d教案新版人教新目标版