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中学生英语演讲稿－thegreatrace

中学生英语演讲稿－thegreatrace
　　
　　thegreatrace
　　automakerseedtowardthefuture
　　lastnight,wheniwassurfingonthenet,版权所有，全国文秘工作者的114!iwasattractedbyaword:
　　hydrogeneconomy.ididn’tknowwhatitmeant,andmaybemostofyou
　　didn’t,either.soiwentonreadingandfinallygotit.andtoday,ifeel
　　soluckytotellyousomethingaboutit.andiamgoingtodividemy
　　eechinto4parts.
　　let’sbeginourfirstpart.
　　scienceorsciencefiction?
　　iusedtoreadalotofsciencefiction.thefutureofenergyand
　　traortationweresubjectsclosetomyheart.thelimitlepowerof
　　coldfusion.thewonderofmatter-antimatterreactors.thechallengeof
　　dilithiumcrystalsandwarpdrive.ialmostbelievedit.iwantedto
　　believeit.butasitturout,thefutureofenergyisandalwayshas
　　beenallaroundus.itisasnaturalaswind,sunlightandwater.science
　　overtakessciencefictionandgivesus…hydrogen!iadmitthatitis
　　terriblyanticlimactic.butthenwemustrealizethatthischanges
　　everything.eeciallyinenvironmentalprotection.butwhenwillthe
　　hydrogeneconomygethere?
　　powerfulmotivation
　　prioritiesarechanging.youonceheardabouttheworld’ssulyofoil
　　ruingout,whichitis.weonceworriedabouttheecologicaleffectsof
　　automobilepollution.butnow,thebattlecryissecurity.weneedenergy
　　securityandpowermaderighthereathomeandlotsofit.wonderful,
　　abundant,clean,renewable,sustainablepower.weneedtobeaboutthe
　　taskoffindingalternativefuelsandenergysources.inthemeantime,we
　　needtowanourselvesfromdependenceonmid-eastoil,useouroil,use
　　ouroilmoreefficientlyand,almostasanafterthought,lowerlevelsof
　　pollutionfromourvehicles.
　　efficiencyandcleanline,whileperhabeingnexttogodline,have
　　latelytakenabackseattosecurity.however,researchanddevelopment
　　effortsaremutuallybeneficial.thenextgenerationoffuelwillbeboth
　　cleanerandlocallymade.majorautomanufacturersandoilcompanieshave
　　oftenbeenseenaspartoftheproblem(wecan’tbuywhattheyrefuseto
　　make).but,fromtheirperective,版权所有，全国文秘工作者的114!theycan’tsellwhatwedon’twantto
　

中学生英语演讲稿－thegreatrace第2页

　buy..tothem,itisourpenchantforgas-guzzlingortsutilityvehicles
　　thatisdangerous,wastefulandsuddenlyuatriotic.
　　hydrogensourcesandsulyinfrastructure
　　hydrogenisabundant,buttherearesulyproblems.hydrogenisalmost
　　neverfoundinitspureform.itisalreadycombinedwithotherelements
　　toformwateroranynumberoforganiccompounds.togetpurehydrogen,
　　youhavetoseparateitfromsomething.inthecaseofwater,theproce
　　iscalledelectrolysis.inhydrocarbonfuels,itiscalledreformation.
　　althoughhydrogenhasbeensuccefullyreformedfromallmajorfuels,
　　industrialalicatioforhydrogentodaygenerallyrelyonreformingit
　　fromnaturalgas.thistechniquecanatbestbeashort-termsolutionif
　　thegoalistobeindependentfromfoilfuels.othersourcesofhydrogen
　　includeglucose,sodiumborohydrideandevenbacterialcomposting.notall
　　ofthesewillmakethecut.renewabilityisakeyiue.themoney,time
　　andefforttoturngtasfillingstatio,hydrogenfillingstatiois
　　mindandbudget-boggling.
　　theotherproblemissulyinfrastructure.themoney,timeandeffortto
　　turngasfillingstatio.thereiscoiderablementalenergygoinginto
　　solvingtheseproblems,buttheywillnotbeso;vedquicklyorcheaply.at
　　leastibelieve.