高考英语一轮复习 unit 3 life in the future单元检测卷[新人教版]必修5

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1、Unit3LifeinthefutureⅠ.阅读理解SomeyoungengineersfromtheUnitedStateshavebroughttheInternettoseveralareasofruralKenya.TheirideawastoconnectthecommunitiestotheWebbysatellite.Buttherewasaproblem.TheareasarenotevenconnectedtoKenya’selectricpowersupply.Theanswer:solarpanels.Energyfromthesunpower

2、sthesatellitedishes(蝶形卫星天线)andcomputersthatlinktheareaswiththeworldoutside.KellyMoran,JoanErvinandTriciaDonajkowskispenttendaysinKenyainNovember.Thewomenrecentlyearnedmaster’sdegreesinspacesystemsengineeringfromtheUniversityofMichigan.Anotherengineer,DrewHeckathorn,didnotgotoAfricabutw

3、orkedonpartsoftheproject.KellyMoransaystherewasexcitementwhentheteamwouldarrivetoconnectcommunitiestotheInternet.Peoplewouldsometimesrunalongsidethecarcarryingtheengineerstowelcomethem.AndlocalresidentswouldoffertohelptheteambuildtheInternetstations.Peoplenowhaveaccesstoeducational,med

4、icalandallkindsofotherinformation.Farmers,forexample,caneasilyfindweather,cropandpriceinformationonline.TheprojectbeganbackatthecollegeofengineeringinAnnArbor,Michigan,in2007.ThatwaswhentwentyfivestudentsinaclasstaughtbyThomasZurbuchenfirsttalkedabouttheidea.ThegoalwastotestwhetherInte

5、rnetstationscouldbesetup,howmuchtheywouldcost,andhowlongtheycouldoperate.Buttheengineersalsohadtoconsiderothersthings—likesocialneeds.Studentsfromthepublichealthandbusinessschoolsofferedadvice.TheyoungengineersalsohadtodesigntheequipmenttosurvivetheheatinAfrica.ProfessorZurbuchenpraise

6、shisformerstudentsfor“makingsomethingworkinadifferentclimatefarawayfromhome.”Googlepaidforthefinaldesignoftheequipment.Thecompanyisalsosupportingthecostsofthesatellitebandwidthneededfortheconnections.GooglehasinvestedinanewcompanythatwantstoputupasystemofsatellitesoverAfrica.Theavailab

7、ilityofmoresatelliteswouldreducethecosts.JustfivepercentofAfricanshaveInternetconnections.TheInternationalTelecommunicationUnionsaysone-thirdofKenyanshavemobilephones.ButmobilephonesmayormaynotworkwellwiththeInternet.1.Whatisthemainideaofthewholepassage?A.Solarenergyhasbeenusedtooper