范文一 　　Althoughautomobileshaveimprovedourmodernlifeinsomewayforitsspeed,convenience,andcapacityofcarryingthings,wehavehadtopaythepriceforit.Now,asmoreandmoreautomobileshavebeenputtingintouse,theproblemsthattheautomobilehascausedareseemedtobemoreandmoreseriousaccordingly.Theseproblems,inmymind,liketheaccidents,theairpollution,thedamageoftheozonelayersshouldbegivenmoreattentionthananytimebefore. 　　Therearealotofproblemsthathasbeencausingbytheautomobile.Itkillshundredsofthousandsofpeopleanddisablesmanymoreeveryyear.Itdrinksupourpreciousfossilfuelsthatcannotbereplaced.Newroadsfortheautomobilealsoeatupourpreciousfarmlandswhilemanychildrenarestarvingallaroundtheworld.Theseproblemsarereallyseriousandupsettingmanyofus. 　　Themostseriousproblemcausedbytheautomobileistheairpollution.Itissaidthatitemitsmillionsoftonsofharmfulgasintotheaireveryday.Thedirtairharmsourhumanbeingshealthbadly.Itcancauseavarietyofdiseasessuchasplumbism,insomnia,mentaldisabilityandevencertainkindsofcancer.Thatisreallyterrible. 　　Airpollutioncausedbytheautomobilecangiverisetoevenmoreseriousconsequences.Onething,itwilldestroytheozonelayersthatprotectthelivesontheearthfromthehurtofthestronganddirectultravioletrays.Muchmoreultravioletcanalsodestroythefragileecosystemontheearth.Itisjustthelifecircleinwhichwesurvive.Anotherthingisthattheairpollutioncausedby 　　theautomobilecanleadtotheglobalwarming.Iftheweatherisgettingwarmerandwarmer,theicebergsscatteredinbothofthetwopolesoftheearthwillbemelted,whichwillcausethesealevelrisingandfloodingallthecitiesandvillagesalongtheseashores.Thelostofthelivesandpropertywillbecountless.Thatisreallyatremendousdisaster. 　　Idonotmeantodenythefactthattheautomobilehasimprovedourmodernlifeinmanyways.Itactsavitalroleinoursociallife.Italsosupportsourindustries.Itisindispensableinourmodernlife.Wecannotimaginehowwecanliveamodernlifewithouttheautomobile.However,theproblemsithascausedtoday,suchasthelivesandpropertieslost,thedirtyairandtheconsequencesofthepollution,seemstobemoredangerousandobviousthananytime. 　　Therefore,itwillneveroverdotoemphasizetheseriousnessoftheseproblemsandurgethegovernmentsandotherresponsibleorganizationstosolvethem 　　范文二 　　Theuseofthemotorcarisbecomingmoreandmorewidespreadinthe21stcentury.Possessingacargivesamuchgreaterdegreeofmobility,enablingthedrivertomovearoundfreely.Thecarownerisnolongerforcedtorelyonpublictransporttogetabout.Withthebuildingofgood,fastmotorwayslongdistancescanbecoveredrapidlyandpleasantly.Andmanypeoplearenowabletoenjoytheirleisuretimetothefullbymakingtripstothecountryorseasideatweekends,insteadofbeingconfinedtotheirimmediateneighborhood. 　　When,however,consideringthedrawbacks,perhapspoilutionisofprimeproblems.Asmoreandmorecarsareproducedandused,sotheemissionfromtheirexhaustpipescontainsaneverlargervolumeofpoisonousgas,whichnotonlypollutestheatmospherebutcausesactualharmtothehealthofpeople.Anotherseriousproblemistrafficcongestion,endlessqueuseofcars