三篇英语议论文范文主题不限，字数在100--120

Newcarproblem

Nowadaysmoreandmorefamiliesowntheirprivatecars.Mostpeoplewouldfindithardtothinkwhatlifecouldlooklikewithoutacar.Althoughcarshaveledustoabetterlife,theyhavealsobroughtusmanynewproblems.

Carsproducewastedgasesandsmokes,whichpolluteairseriously.Thepollutedairbecomespoisonousanddangeroustoourhealth.Withtheincreasingdevelopmentofcars,citiesarebecomingmoreandmorecrowded.Thereisnotenoughroomforcarstobeparked.Worsestill,moretrafficaccidentshappeninbigcities,eveninthecountryside.

Morecarsneedmoregas.Energyresourcewillrunoutonedayifmoregasisneeded.Atthesametime,someoldanddamagedcarsarethrownawayasrubbish.Thatwillcauseanothernewpollution.

Plasticsurgery.

Asmegicaltechnicshasbeenimproved,plasticsurgeryhasbecamemoreandmoreporpular.

Youcanalwaysthisonyourmagzin:Oneofthosecelebritieswasdiscoveredgoingtoafamousplasticsurgeryhospital.Andmaybethisphenomenondoesnotonlybelongstocelebrities,maybeoneday,youbumpintoastrangerwhoclaimsknowingyouturnouttobeyourhighschoolfriend,andoutoftheblue,shedidaplasticsurgry.

Icannothelpaskingmyself:Whatiswrongwiththisworld?Whydopeoplebecomesodesperatetochangesomethingthatisgivenbynature?Afterall,i'magainstplasticsurgery.

First,inmyopnion,plasticsurgeryisawasteofresources.What'sthepointofmakingsomanydoctorsandnurcesaroundyouwhentherearesomanypeopleinsomewhereelsearewatingfordoctorstosavetheirlives?

Seoconly,beautyisskindeep,onecanneverchangeintoabetterpersononlybychanginghis/herapearence!

Atlast,iwannasaytoallthesewhoareegertodoaplasticsurgery:Ifyouuseyourmoneytosavepeoplewhoneedit,youwillfindyourselfbecometoapersonnotonlybeautifulbythecover,butalsodeepinside.

TreesAreImportanttoUse

Treesareveryusefultopeople.Theyprovideuswithwoodandotherproducts.Theygiveusshadeandtheyhelptopreventdroughtandfloods.

Unfortunately,inmanypartsofourcountry,peoplehaven'trealizedtheimportanceoftrees.Theycutthemdownatwill.Theyareusuallytoolazyortoocarelesstoplantandlookafternewtrees.Asaresult,theforestscontinuetodisappear.

Wheretherearenotreestherainfallsonthesurface,causingfloods,andcarriesawaywiththerichtopsoil,inwhichcropsgrowsowell.Whenallthetopsoilisgone,nothingremainsbutworthlessdeserted.

Thebigfloodsof1998,inpartsofChina,havealreadytaughtusagoodlesson.Soeveryoneofusmustlovetrees,protectforests,andkeeponplantingtreeseachyear.