Goodafternoon,ladiesandgentlemen.mynameisLiangYongjia.I’mfromLiangshuijingprimaryschool.I’maEnglishteacher.TodayIfeelsohappytostandhere.MytopicisIlookforwardtobeautifulenvironment.Ihopeyouwilllikeit.Asyouknow,therearefourkindsofpollution.Theyareairpollution,waterpollution,wastepollutionandnoisepollution.Butwhatcanwedotosolvethepollution?Ithink,firstly,wecanmakecarsthatdon’tpollutetheenvironment.Insomebigcities,wecanlimitthenumberofcars.Secondly,wecantrytouselesswaterandmakesurethatwedonotpollutethewater.Thirdly,weshouldnotthrowrubbishinparksandcities.Wecanpickuprubbishifweseeit.Fourthly,wecanlivefarfromthenoiseandmakethelawstolimitthenoise.Theair,waterandthewholeatmospheredirectlyinfluencedourlives,suchastheair,peoplemaycoughanditwillleadtocancer.Sowemusttryourbesttokeeptheworldcleanandtidy.Toreachit,Iwanttoputforwardthreepointstoeverybody---Point1:don’tspitandliter;Point2:don’tdrawonthewall;Point3:cleanthestreetseveryday.Inordertomaketheenvironmentclean,let’sjoinourhandstogethertomaketheworldbetter.Let’smakeourworldchangemoreandmorebeautiful!That’sall!Thankyouforyourlistening!