人教版九年级下册英语Unit 13　We're trying to save the earth! Section B (3a-self check) 课件.ppt

Unit 13Were trying to save the earth!,Section B3 3a-self check,1.停止乘小汽车2.回收纸3.用纸巾4.好好利用5.用垃圾建造房子6.倒置7.经营小生意,stop riding in cars,recycle paper,use paper napkins,put to good use,build a house out of rub