Impact通用汽车公司的一款实验型电力汽车的名称

Unit12TransportationIIPartIIIThenewtrendsofautomobilesClassPlanWarmingupNewsBroadcast:practicetheabilityofcatchingkeypointsinthenewDiscussion:thetrendsofthedevelopmentoftransportationTextanalysisWordsandExpressionsKeywordselectriccarzerotailpipeemissions零排放batteryVocabularyCombustion:theprocessofburningIgnition:theraisingofasubstancetoitsignitionpoint,asbyelectriccurrent,friction,ormechanicalshockPiston:活塞Surge:toincreasesuddenly,usedofelectriccurrentorvoltageHurdle:toovercomeordealwithsuccessfully;surmountImpact:通用汽车公司的一款实验型电力汽车的名称PartIIITextAnalysisTheAmericanautoindustryhasbeenlookingforwaystorescueitssaggingbottomline.Betterdesignandbetterqualityarecontributingtothebeginningofaturnaround,butlong-termsuccessisgoingtomeanmajorchangesfortheentireindustry.Ensuringthatsuccessinvolvesplanningforanentirelynewtypeofautomobile,onepoweredbyelectricity.Theelectriccarisstillsomedistancedowntheroad.(topicpresenting)PartIIITextAnalysisIt'srushhourinDetroit,andtheinterstatefreeway,1-94,isjammedwithcarsheadingforhomeafteranotherworkdayinthecity.Lookingdownonthefreewayfromanoverpass,oneseescarsandtrucksofeverysize,shape,andcolor.(description)Butforalloftheirdifferences,thesevehiclesdohavesomethingincommon:they'reallpoweredbyaninternalcombustionenginerunningongasolineordieselfuel.PartIIITextAnalysisButasautomobile-relatedpollutiongrowsworseinmajorurbanareas,governmentalofficialsandenvironmentalistsarepushingautomobilemanufacturerstodesignvehiclespoweredbyelectricity.Yousee,electriccarshaveabsolutelyzerotailpipeemissions.InDetroit,thebigthreeU.S.carcompanieshavespentmillionsresearchingelectricvehicles.Chryslerhasanelectricversionofitspopularminivan;andFord,asmallelectricwagon;butnonehasattractedasmuchattentionasGeneralMotors'experimentalelectriccarcalledtheImpact.(theintroductiontoImpact)PartIIITextAnalysisThat'sthesoundoftheImpactstarting.There'snostandardautoignition.Yousimplyturnthekeyandpushabuttontoturnontheelectricity..AstheImpactaccelerates,therearenopumpingpistons,justasurgeofelectricpower.It'sasleek,aerodynamic,two-seatsportscar.It'sbothsmoothandquiet.Allyouheariswindwhistlingpastandthesoundoftiresonthepavement.(description)PartIIITextAnalysisWe'redoingabout46milesanhour.We'reupto60nowandgoingto65.Nowwe'llslowdownalittlebit.She'selectronicallylimitedat75.“ButasexcitingandappealingastheImpactseems,therearestillmajortechnologicalhurdlesengineersneedtoclearbeforesuchacarbecomesavailabletothegeneralpublic.Themainproblemiswiththebatteries.Theyareheavy,andthedistanceavehiclecantravelbetweenovernightchargingislimited.PartIIITextAnalysisThebiggestlimitationofthebatterythatwehavenowistheamountofenergythatitcanstore.Thebatteryweighs870pounds.Itcanonlystoretheenergyequivalentofaboutone-and-a-halfgallonsofgasoline.InadditiontotheU.S.-basedcarcompanies,automakersaroundtheworldareworkingonelectric-vehicleresearch.Allaresearchingforthetechnologywhichwillleadtoabetterelectric-carbattery.KeytotheexerciseA1Size,shape,color/gasoline,dieselfuel/airpollution/electriccarStandardautoignition/electricpower/two-seat/sports/75mph870/1.5/traveldistanceA2Autoindustry/saggingbottomlineBetterquality/majorchangesElectricitySomedistanceAroundtheworld/electric-vehicleresearchAbetterelectriccarbattery