求雅思高手给看看作文,能不能到6!
Lastfiftyyears,everynationsawanexponentialincreaseontrafficalongwithalotofpollutionproblems.manypeopleholdtheperceptionthatincreasingthepriceofpetrolisthebestway,however,whetherthismakessenseisreallyacontentiousone.whiletherearecertainlyvalidargumenttothequestion,ipersonallybelievethatthegrowthinpriceonlywon'tproveeffective!firstofall,itisofvitalimportancethattheincreasecannotdetermineandstopourenvironmentfrombeingpolluted.giventhatanindividualcanaffordacar,thepriceofpetrolissuchatinythingwhichcanbeignored.itseemsthateverybodycanshoulderthelittleincrease.anothermajorcontributingfactoristhemindpeoplehold.aswecanimagine,oncetheawarenesswillbeimproved,alltheproblemsbecomeeasy.inordertoresolvethisissue,ibelievewemustfirstaddressitsrootcauses.attheheartofthematteristheenergyweusenow.ifirmlyconvincethatweshouldexplorealternativeresourcestotakeplacetheoil.
weusenow.governmentshouldinvestintheresearchingprogramssuchassolarenergyandwindenergy.aswecanimagine,inthefuture,moreandmorepetrol-runcarswillbereplacedbysolarorwindones.inreality,ofcourse,ibelievethatthisisreallyaproblemofsuchcomplexitythatnoeffectsolutionislikelyintheshortterm.howevericanconvincethatthemeasureoutlinedabovewouldconstituteagoodstep.