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1、Goodenvironmentcanmakepeoplefeelhappyandfit.Toimprovetheenvironmentmeanstoimproveourlife. Weshouldplantmoretreesandflowersaroundus.Weshouldn’tcutthemdown.Weshouldstopfactoriesfrompouringwastewaterintotheriverandwastegasintotheair. Wheneverweseelitterontheground,
2、weshouldpickitupandthrowitintodusbins.Neverspitinpublic.Don’tdrawonpublicwalls.It’sourdutytoprotecttheenvironment.Treescanbedamagedorkilledbyawidevarietyofconstructionactivities.Somepracticesleadtoobviousinjuriessuchasbrokenbranchesortornbark.Openwoundsofthistypedeple
3、teaplant'senergyresourcesandprovideentrypointsforinsects,orfordiseasessuchasoakwilt.Theworstdamage,however,oftenremainshiddenunderground.Rootsareoneofthemostvitalpartsofatree.Theyareresponsiblefornutrientandwateruptake,storeenergy,andanchortheplant.Becausetheyaresoimp
4、ortant,itiscriticalthatyouprotectrootsthatlieinthepathofconstruction.Treesareneverthesameshapebelowgroundastheyareabove,soitisdifficulttopredictthelengthorlocationoftheirroots.Typically,however,approximately90-95percentofatree'srootsystemisinthetopthreefeetofsoil,andm
5、orethanhalfisinthetoponefoot.ThepartofthisrootsysteminwhichconstructiondamageshouldbeavoidediscalledtheProtectedRootZoneWiththeimprovementofourlivingstandard,moreandmorepeoplecanaffordacar.Asaresult,ourroadsaremoreoftenthannotcrammedwithcars.However,withmoreandmorewas
6、tegasbeingdischargedbythecars,theproblemofairpollutionbecomesevenmoreserious.Sonowadaysweadvocatetoleadalow-carbonlife.Mysuggestionisweshouldridebikesmoreofteninsteadofdrivingcars.Byridingabike,wecannotonlyexerciseourbodybutalsoprotectourenvironment.Whynothaveatry,myd
7、earfriends?与我们的生活水平的提高,越来越多的人都买得起汽车的。因此,道路往往没有堆满了汽车。然而,随着越来越多的废气排放是汽车、空气污染问题变得更加严重。所以现在我们提倡过低碳的生活。我的建议是我们应该更经常骑自行车而不是开车骑一辆自行车,我们不仅能锻炼身体,也能保护我们的环境。为什么不试试,我亲爱的朋友?（2）Now,oursideofthecarconstantmoreup,theenvironmentalsoincreasinglyworse!Thattheairaroundustherearemanyharmf
8、ulsubstances.Therefore,wewanttoSuearoundthingsstarttodo.Forexample,wecangotoschoolbybikeorwalk,itcanexercise.Ifyouhavetimeca
