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1、[XX年职称英语考试试题理工类：阅读理解]20XX年职称英语考试阅读理解职称英语网权威发布20XX年职称英语考试试题理工类：阅读理解，更多20XX年职称英语考试试题理工类相关信息请访问职称英语考试网。 Todaypetroleumprovidesaround40%oftheworld’senergyneeds,mostlyfuellingautomobiles.Coalisstillused,mostlyinpoverstations,tocoverone-quarterofourenergyneeds,butitistheleastefficient,unhealth
2、iestandmostenvironmentallydamagingfossilfuel.Naturalgasreservescouldplugsomeofthegapfromoil,butreservesofthatwillnotlastintothe22ndcenturyeither.Mostexpertspredictwewillexhausteasilyaccessiblereserveswithin50years.Wecouldfastreachanenergycrisis.Weneedtorapidlydevelopsustainablesolutionsto
3、fuelourfuture.Less-pollutingrenewableenergysourcesofferamorepracticallong-termenergysolution.Theymaybenefittheworld’spoortoo.“Renewable”referstothefactthattheseresourcesarenotusedfasterthantheycanbereplaced. Hydroelectricpowerisnowthemostcommonformofrenewableenergy,supplyingaround20%ofwo
4、rldelectricity.China’sthreegorgesDam,whichhasjustbeencompleted,isthelargestever.AtfivetimesthesizeoftheUS’sHooverDam,its26turbineswillgeneratetheequivalentenergyof18coal-firedpowerstations.Itwillsatisfy3%ofChina’sentireelectricitydemand. In20XX,thefirstcommercialpowerstationtoharnesstida
5、lcurrentsintheopenseaopenedinNorway.Itisdesignedlikewindmill,butotherstaketheformofturbines. Aspricesfall,windpowerhasbecomethefastestgrowingtypeofelectricitygeneration?quadruplingworldwidebetween1999and20XX.Modernwindfarmsconsistofturbinesthatgenerateelectricity.Thoughitwillbemoreexpens
6、ive,thereismorethanenoughwindtoprovidetheworld’sentireenergyneeds.Windfarmscomeinonshoreandoffshoreforms.Theycanoftenendupatspotsofnaturalbeauty,andareoftenunpopularwithresidents.Andturbinesarenottotallybenign?theycaninterferewithradarandleaveasignificantecologicalfootprint,alteringclimat
7、eandlillingseabirds.Migratingbirdsmayhavemoreluckavoidingthem.Scotlandisbuildingeurope’slargestwindfarm,whichwilpower200,000homes.TheUK’sgoalistogenerateonefifthofpowerfromrenewablesources,mainlywind,by2020.Butthismaycauseproblems,becausewindisunreliable. tothepass
