![Protectingourenvironment.ppt[22页]](https://www.peiji.com/assets/images/load.png)
Unit2Unit2OurLivingEnvironmentOurLivingEnvironmentTheenvironmentpollutionisabigproblemintheworld.Itsattackingourhealthseriously.airpollutionIt’shardformetobreathe!Help!ProducingstrongharmfulgasManyfactoriesproduceharmfulgasesintotheair.Itmakestheairdirtieranddirtier.Itsharmfultoourhealth.waterpollutionWeareworryingWearecrying!Ourheartsfeelpainful!Stop!!!YellowRiverispollutedTaihuispollutedfish...
