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1科普知识类第一部分五年高考题荟萃Passage1(09·上海C篇)“Getyourhandsoffme,Ihavebeenstolen,”thelaptop,aportablecomputer,shouted.Thatisanewsolutiontolaptopcomputertheft:aprogramthatletsownersgivetheirpropertyavoicewhenithasbeentaken.Theprogramallowsuserstodisplayalertsonthemissingcomputer’sscreenandeventosetaspokenmessage.Trackingsoftwareforstolenlaptopshasbeenonthemarketforsometime,butthisisthoughttobethefirstthatallowsownerstogivethethiefapieceoftheirmind.Ownersmustreporttheirlaptopmissingbyvisitingawebsite,whichsendsamessagetothemodel:aredandyellow“lostorstolen”signappearsonitsscreenwhenitisstarted.Underthelatestversion（版本）ofthesoftware,userscanalsosendaspokenmessage.Themessagecanbesettoreappearevery30seconds,nomatterhowmanytimesthethiefclosesit.”Onecustomersentamessagesaying,’Youarebeingtracked.Iamrightatyourdoor’,”saidCarrieHafeman,chiefexecutiveofthecompanywhichproducestheprogram,Retriever.Inthelatestversion,peoplecanaddaspokenmessage.Forexample,thelaptop’sspeakerswillsay:“Help,thislaptopisreportedlostorstolen.Ifyouarenotmyowner,reportmenow.”TheRetrieversoftwarepackage,whichcosts$29.95buthasafreetrialperiod,hasthefunctionsofmanysecuritysoftwareprograms.Ownerscanremotelyswitchtoanalternativepasswordiftheyfearthatthethiefhasalsogotholdoftheaccessdetails.Ifathiefaccessestheinternetwiththestolenlaptop,Retrieverwillcollectinformationontheinternetserviceproviderinuse,sothatthepolicecanbealertedtoitslocation.Thousandsoflaptopsarestoleneveryyearformhomesandoffices,butwiththeuseoflaptopsincreasing,thenumberstolenwhiletheirownersareoutandabouthasbeenrisingsharply.Othersecuritysoftwareallowsuserstoerasedataremotelyorlockdownthecomputer.72.Theexpression“togivethethiefapieceoftheirmind“canbeunderstoodas“_______”A.togivethethiefanalertmindB.toexpresstheowners’angertothethiefC.toremindthethiefofthisconscienceD.tomakethethiefgiveuphismind73.Differentfromothersecuritysoftware,Retrievercan.A.recordthestealingprocessB.helprecognizethelostlaptopC.lockdownthecomputerremotelyD.sendaspokenmessage74.Onefunctionoftheprogramisthatitallowstheownertoatadistance.A.changesomeaccessdetailsforswitchingonthelaptopB.turnonthelaptopbyusingtheoriginalpasswordC.operatethelaptopbymeansofandalternativepasswordD.erasetheinformationkeptinthestolenlaptop75.Whichofthefollowingcanbestsummarizethemainideaofthepassage?A.WithnoRetriever,thousandsoflaptopsarestoleneveryyear.B.Anewsoftwareprovidesameanstoreducelaptoptheft.2C.Retrieverhashelpedtofindthievesandlostcomputers.D.Anewprogramoffersacommunicationplatformwiththethief.答案72.B73.D74.A75.BPassage2(09·安徽C篇)Sometimes,thesimplestideasarethebest.Forexample,toabsorbheatfromthesuntoheatwater,youneedlarge,flat,blacksurfaces.Onewaytodothatistobuildthosesurfacesspecially,ontheroofsofbuildings.Butwhygotoallthattroublewhencitiesarerubofblacksurfacesalready,intheformofasphalt（柏油）roads?Tenyearsago,thisthoughtcameintothemindofAriandeBondt,aDutchengineer.Hefinallypersuadedhisbosstofollowitup.Theresultisthattheirbuildingisnowheatedinwinterandcooledinsummerbyasystemthatreliesonthesurfaceoftheroadoutside.Theheat-collectorisasystemofconnectedwaterpipes.Mostofthemranfromonesideofthestreettotheother,justundertheasphaltroad.Some,however,divedeepintotheground.Whenthestreetsurfacegetshotinsummer,waterpumpedthroughthepipespicksupthisheatandtakesitundergroundthroughoneofthedivingpipes.Atadepthof100metresliesanaturalaquifer（蓄水层）intowhichseveralheatexchangers（交换器）havebeenbuilt.Thehotwaterfromthestreetrunsthroughtheseexchangers,warningtheground-water,beforereturningtothesurfacethroughanotherpipe.Theaquiferisthususedasaheatstore.Inwinter,theworkingsystemischangedslightly.Waterispumpedthroughtheheatexchangerstopickuptheheatstoredduringsummer.Thiswatergoesintothebuildingandisusedtowarmtheplaceup.Afterperformingthattask,itispumpedundertheasphaltanditsremainingheatkeepstheroadfreeofsnowandice.64.Whichofthefollowingistrueaccordingtothefirsttwoparagraphs?A.AriandeBondtgothisideafromhisboss.B.Large,flat,blacksurfacesneedtobebuiltincities.C.TheDutchengineer'ssystemhasbeenwidelyused.D.Heatcanalsobecollectedfromasphaltroads.65.Forwhatpurposearethedivingpipesused?A.Toabsorbheatfromthesun.B.Tostoreheatforfutureuse.C.Toturnsolarenergyintoheatenergy.D.Tocarryheatdownbelowthesurface.66.Fromthelastparagraphwecanlearnthat__A.somepipeshavetobere-arrangedinwinterB.thesystemcandomorethanwarmingupthebuildingC.theexchangerswillpickupheatfromthestreetsurface答案64.D65.D66.BPassage3(09·安徽E篇)Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelowl6℃.Rainforestshaveagreateffecton3theworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimate.Withouttheforestcover，theseareaswouldreflectmoreheatintotheatmosphere，warmingtherestoftheworld.Losingtherainforestsmayalsoinfluencewindandrainfallpatterns，potentiallycausingcertainnaturaldisastersallovertheworld.Inthepasthundredyears，humanshavebegundestroyingrainforestsinsearchofthreemajorresources（资源）：landforcrops，woodforpaperandotherproducts，landforra