Unit 6 Keep our city clean单元知识点归纳Unit6keepourcityclean知识点归纳一、词组.keepourcityclean保持我们的城市干净2.thesepicturesofourcity这些我们城市的图片3.smokefromcars汽车的尾气4.maketheairdirty使空气变脏5.blacksmokefromfactories工厂里的黑烟6.messyanddirty又乱又脏7.takethemetrotoschool=gotoschoolbymetro乘地铁上学8.deadfish死鱼9.walktoschool=gotoschoolonfoot步行上学0.moveawayfrom把.从搬走1.putrubbishinthebin把垃圾放进垃圾桶2.plantmoretrees种植更多的树3.helpkeeptheaircleam有助于净化空气4.yourideas你们的主意5.w