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1、Unit1OurEarthAudioTrack4-1-10/AudioTrack4-1-11Modernbuildings:Welovethem,wehatethem.Theworld-famousLouvreMuseuminParisisalmost500yearsold,anditfacedaverymodernproblem:Theresimplywasn'tenoughspaceforsixmillionvisitorseachyea匸In1989,AmericanarchitectI?M?Peidesignedastrikingglasspyramid
2、inthebuilding'scentertobeavisitor'sentraneeandshoppingarcade?Buthealsostartedanangrydebate?Somepeoplefelthisglassbuildingwasapieceofart,liketheonesinsidethemuseum?Otherssaiditwasjustanugly,modernmistake.Kyoto,Japan,isthecountry'sancientcapital,andtheheartofitsculture.Itsrailroadstati
3、onwastoosmallforthemillionsofvisitors.In1997,thecitycompletedanewstationinahugeshoppingcenter,rightintheoldestpartofthecity.DesignedbyHiroshiHara,thebuildingalsocontainsahotelanddepartmentstore.Beforeitwasbuilt,criticssaidthatthehigh,wide,modernbuildingwoulddestroythecity'straditiona
4、llook.Ontheotherhand,supporterssaiditwouldbringnewlifeintothecitycenter.Unit2TechnologyTodayAudioTrack4-2-5/AudioTrack4-2-6Intoday'sreport,wclookatanewtechnologycalledpervasivecomputing?Pervasivecomputingmeansputtingtinycomputersintoeverydayelectronicappliances,suchastoastersandmicro
5、waves?Withpervasivecomputing,appliancescancommunicatewiththeirusers—andwithotherappliances!Somecompaniesnowsellpervasivecomputingproductslikea“smarLtoaster.Itremembersyourfavoritekindoftoast:lightordark.Companiesaredesigninga"smarLcoffeemakeranda"smaiTclock.Thecoffeemakercanmeasureth
6、ewaterandcoffee.Itcanevenputmilkinyourbreakfastcoffeeandmakeblackcoffeeintheaftemoon.Theclockwillcheckthetimeonotherclocksinyourhouse,andgiveinformationaboutotherappliances?Forexample,itcantellyou,"Yourcoffeemakerneedsmorewate匚”Andthatonlythebeginning?Onecompanyisnowadvertising"Save
7、time—phoneyourwashingmachine!"Engineersaremakinga"smart"house.Inthishouse,thelights,heater,andairconditionerchangeautomaticallywhenfamilymemberscomehome?Thismakesthehomecomfortable,anditsavesalotofenergy.Pervasivecomputingcouldchangemanypartsofourdailylives.Butdopeoplereallywantperva
8、sivecomputin
