Module-3-Unit-9-Lesson-3-Clean-machines

北师大版高一Module3Unit9Lesson3CleanMachines制作者：张长龙梅崇兵制作单位：滁州市来安县半塔中学Whatisthemostimportant,ifyouliveinabigmoderncity?Manywouldanswerthecar.Youwillfinditdifficulttogotoworkormovewithoutacar.Moreandmorefamilieshavetheirowncarsinordertomakelifemoreconvenient.Areyouinterestedincars?Ifso,howmanydifferenttypesofcarshaveyouseenorknownabout?Talkaboutsomefamouscars.NameHongqiMadeinChinaMercedesBenzMadeinGermanyNameB.M.WMadeinGermanyMadeinGermanyMadeinAmericaBuickHondaMadeinJapanMadeinFranceCitroenCanyourecognisethecarbrands?Thecarhasanimportanteffectonourlife.Buthaveyoueverthoughtaboutwhatwouldhappentothecity?Canyoutalkaboutit?Inyouropinion,howshouldweimprovethecar?Isyourcarclean?What’sthis?SolarCarWhydoscientistsdevelopthekindofcar?Wheredothecarsgettheirpowerfrom?Whatdoyouwanttoknowanythingelseaboutsolarcars?Scientistshavebeenmakingsolarcarsforovertwentyyears.Theyhavemadecarsthatgoupto80k.p.h.!Lookatthefollowingpicture.What’sit?Haveyoueverheardofasolarcar?Readtheinterview.Maybeyouwillfindsomethingspecial.SolarCarAsolarcarisalightweight,lowpowervehicledesignedandbuiltwithasinglepurposeinmind-racing(orraycing,acombinationofraceandrayfromthesun).Whatisasolarcar?Ifyouarereallyinterestedinsolarcarracing,readmoreaboutsolarcarracing.SimilartoanIndyorFormulaOneracecars,solarcarsdonotrepresentapracticalmeansoftransportation.Theyhavelimitedseating(usuallyone,sometimestwopeople),theyhaveverylittlecargocapacity,andtheycanonlybedrivenduringtheday.Theydo,however,offeranexcellentopportunitytodevelopfuturetechnologiesthatcanbeappliedtopracticalapplications.SolarvehiclesrepresentingfivecollegeteamsleftCalState-SacramentoonTuesdaymorningatthestartofasix-day,670-mileracetoLosAngeles.TheyreachedStanfordviaVallejo,theSanFrancisco-OaklandBayBridge,afoggySanFranciscoandHighway280.Readtolearnaboutsolarcarracing.TheHistoryofSolarCarRacingHansTholstrupandLarryPerkinspioneeredsolarcarracingwhentheycompletedanepicSolarTrekfromPerthtoSydney(Australia)in1983.Whatfollowedwasaseriesofsolarcarracesdesignedtoincreasepublicawareness.PleaseclickhereThe1987AustralianWorldSolarChallengesaw23participantsinauguratethefirstsuchrace,followedbytheEuropeanTourdeSol,theAmericanTourdeSol,andtheSUNRAYCE.Somespectacularcorporateandcollegevehiclesadornedtheseearlyracesandarepicturedbelow.Knownasthe‘Brain-Sport’ofourtime,theWorldSolarChallengeentrantswilltraversemorethan3,000kmoftheAustraliancontinentfromtropicalDarwintobalmyAdelaide,incarspoweredbynothingmorethanthesun.The‘Challenge’,todesignandbuildacarcapableofcrossingAustraliaonthepowerofdaylight,comprehendsthemostinnovativeresearchanddevelopmentofalternativetransporttechnologies.TheWorldSolarChallengeattractsteamsandindividualsfromcorporationsanduniversitiesallovertheworldSolarcarraceswereledacrossthefirst-dayfinishlinebytheWesternWashingtonUniversity'sVikingXX,asleekcarunderaslantedarrayofsolarcellslikearoofofshinybluetile.TheViking,whichreachedStanfordwithanelapseddrivingtimeof4hours,27minutes,placedfifthinternationallyintheWorldSolarChallengeinAustralialastNovember.Thecarsarepoweredbythesun,buttheraceitselfispoweredbytheorganizationanddedicationofcollegestudents.ItstartedwiththeStanfordSolarCarProject,aloosecollectionof40orsostudentswhohavesofarbuilttwosolarcarswithalittlefacultyadviceandalotofhardwork.GraduatestudentDaveCaditzspearheadedtheideaofaracethatwouldzig-zagacrossCaliforniaandinspirethepublic'sinterestinalternative-poweredvehicles.The8thWorldSolarChallengewilldepartDarwinonSunday25September2005.ScrutineeringcommencesonThursday22September,andmostteamsspendatleastaweekinDarwinpreparingfordeparture.TheWorldSolarCarChallengeTheWorldSolarChallengeisacelebrationofachievement,ofcourageandtheapplicationofscientificknowledgeinthefieldofsolartechnology.Thisistheadventureofyoungpeoplenotonlydreamingofasafer,smarter,greenerworld,butofskilledyoungenthusiastsworkingtomakeitareality.TheAmericanSolarChallengeTheAmericanSolarChallenge(ASC)isacompetitiontodesign,buildandraycesolar-poweredcarsinacross-countryevent.In2005therewillbeaspecialeditionofASC,the2005NorthAmericanSolarChallenge.TeamswillcompeteinasolarvehicleraycefromUnitedStatesthroughCanada!In1997,UNISA,SeatonHighSchool,Fremont-ElizabethCityHighandAnnesleyCollegeformedtheSouthAustralianSolarCarConsortium.TheaimoftheConsortiumwastohelpstudentsdesign,buildandracesolarcarsintheWorldSolarChallenge.PleaseclickhereAsolarcarracesdownthestreetintheWorldSolarChallenge.HeldeverytwoyearsinAustralia,theracebeganin1987andwastheworld'sfirstsolarcarracePleaseclickhereReadthepassageandcirclethebestanswers.1.Iftheweatherisbad,thereisnosunA.youcan’tusesolarcar.B.youhavetousepetrolinsolarcar.C.youcanusesolarcar.D.youmustslowdownthespeedat40k.p.h.C.youcanusesolarcar.2.Itcanbeinferredfromthistextthat:A.thereisnodoubtthatsolarcarshavebeenmoreandmorepopular.B.youcantakealongtripbysolarcar.C.solarcarsarecheap,cleanandsafe.D.MarieLoganisaprofessorfromQueenslandUniversity.B.youcantakealongtripbysolarcar.3.Allthefactsarementionedexceptfor_____.A.solarcarswillnotpollutetheenvironment.B.a