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{{*HTML*}}{{B}}第二篇{{/B}} ??????? ????{{B}}CreditCardOnlyWorksWhenSpoken To{{/B}}??Acreditcardthatwillnotworkunlessithearsits owner’svoicecouldbecomeanimportantweaponinthefightagainstfraud 欺骗.??Thecardrequiresuserstogiveaspokenpasswordthatit recognizesusingabuilt-invoice-recognitionchip.Theideaistoprevent thievesusingastolencardorfraudstersusingsomeoneelse’screditcard detailstobuygoodsonline.??Amodelbuiltbyengineersat BeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopacka microphonealoudspeakerabatteryandavoice-recognitionchipintoa standard-sizedcreditcard.??Theyarenotquitethereyet:the cardisthelengthandwidthofanordinarycreditcardbutitisstillabout threetimesasthick.Thecompanynowplanstomakeitthinner.? ?ThevoicecardisbasedonanearlierBeepcardtechnologydesignedto preventfraudinonlinetransactions.Thisearliercardhasnomicrophonebut hasabuilt-inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalvia acomputer’smicrophonetoanonlineserver.??Byverifying证实 thatthesignalmatchesthecarddetailstheservercanestablishthattheuser isnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand. TheIDcodechangeseachtimethecardisusedinapre-orderedsequencethat onlytheserverknows.??Thispreventsfraudstersrecordingthe beepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhenthey keyinthedetailslater.Butthisearliertechnologycannotpreventfraudulent useofstolencards.Thenewonecan.??Thenewvoicecardalso identifiesitselfbyitsIDsquawkbutitwillnotdothisuntilithas verifiedthelegitimate合法的user’sspokenpassword.Thieveswillbeunableto usethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeable tocopytheowner’svoicewithahighdegreeofaccuracy.??The challengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitry thatcanbepoweredbyaminibatteryembedded嵌入的inacreditcard.To maximizebatterylifetheelectronicsareonlyswitchedonwhenthecardis beingused.Pressingabuttononthecard’ssurfacepromptsittoutterSay yourpasswordinfemalevoice.Ifthevoice-recognitionsoftwareprovesthat thepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifiesallowingthetransactiontoproceed.Whichofthefollowingstatementsabouttheearliercardistrue?
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}??阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择 5组文字将其分别放回文章原有位置以恢复文章原貌 ?????????? ????{{B}}EveryDogHasItsSay{{/B}}??Kimiko FukudaaJapanesegirlalwayswonderedwhatherdogwastryingtosay. Wheneversheputonmakeupitwouldpullathersleeve.{{U}}?46 ?{{/U}}Whenthedogbarkssheglancesatasmallelectronicgadget装置.The followinghumantranslationappearsonitsscreen:Pleasetakemewithyou. Irealizedthat’showhewasfeelingsaidFukuda.??Thegadget iscalledBowlingualandittranslatesdogbarksintofeelings.Peoplelaughed whentheJapanesetoymakerTakaraCompanymadetheworld’sfirstdog-human translationmachinein2002.But300000Japanesedogownersboughtit. {{U}}?47?{{/U}}.??Nobodyelsehadthoughtaboutit saidMasahikoKajitawhoworksforTakara.Wespendsomuchtimetrainingdogs tounderstandourorders;whatwoulditbelikeifwecouldunderstand dogs???Bowlingualhastwoparts.{{U}}?48?{{/U}}The translationisdoneinthegadgetusingadatabase资料库containingeverykind ofbark.??Basedonanimalbehaviourresearchthesenoisesare dividedintosixcategories:happinesssadnessfrustrationangerdeclaration anddesire.{{U}}?49?{{/U}}Inthiswaythedatabasescientifically matchesabarktoanemotionwhichisthentranslatedintooneof200 phrases.??WhenavisitorwenttoFukuda’shouserecentlythedog barkedaloudbowwow.ThisistranslatedasDon’tcomethisway.{{U}} ?56?{{/U}}.??TheproductwillbeavailableinUSpet storesthissummerforaboutUS＄120.Itcanstoreupto100barkseven recordingthedog’semotionswhentheownerisaway.A?Awireless microphoneisattachedtothedog’scollarwhichsendsinformationtothe gadgetheldbytheowner.B?Nobodyreallyknowshowadogfeels.C ?ItwasfollowedbyI’mstrongerthanyouasthedoggrowled嗥叫and sniffed嗅atthevisitorD?Morecustomersareexpectedwhenthe Englishversionislaunchedthissummer.E?NowtheJapanesegirl thinkssheknows.F?Eachoneoftheseemotionsisthenlinkedtoa phraselikeLet’splayLookatmeorSpendmoretimewithme.
Ihopeyouhaveleftnoneofyour{{U}}belongings{{/U}}inthehotel.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}??阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择 5组文字将其分别放回文章原有位置以恢复文章原貌 ?????????? ????{{B}}EveryDogHasItsSay{{/B}}??Kimiko FukudaaJapanesegirlalwayswonderedwhatherdogwastryingtosay. Wheneversheputonmakeupitwouldpullathersleeve.{{U}}?46 ?{{/U}}Whenthedogbarkssheglancesatasmallelectronicgadget装置.The followinghumantranslationappearsonitsscreen:Pleasetakemewithyou. Irealizedthat’showhewasfeelingsaidFukuda.??Thegadget iscalledBowlingualandittranslatesdogbarksintofeelings.Peoplelaughed whentheJapanesetoymakerTakaraCompanymadetheworld’sfirstdog-human translationmachinein2002.But300000Japanesedogownersboughtit. {{U}}?47?{{/U}}.??Nobodyelsehadthoughtaboutit saidMasahikoKajitawhoworksforTakara.Wespendsomuchtimetrainingdogs tounderstandourorders;whatwoulditbelikeifwecouldunderstand dogs???Bowlingualhastwoparts.{{U}}?48?{{/U}}The translationisdoneinthegadgetusingadatabase资料库containingeverykind ofbark.??Basedonanimalbehaviourresearchthesenoisesare dividedintosixcategories:happinesssadnessfrustrationangerdeclaration anddesire.{{U}}?49?{{/U}}Inthiswaythedatabasescientifically matchesabarktoanemotionwhichisthentranslatedintooneof200 phrases.??WhenavisitorwenttoFukuda’shouserecentlythedog barkedaloudbowwow.ThisistranslatedasDon’tcomethisway.{{U}} ?56?{{/U}}.??TheproductwillbeavailableinUSpet storesthissummerforaboutUS＄120.Itcanstoreupto100barkseven recordingthedog’semotionswhentheownerisaway.A?Awireless microphoneisattachedtothedog’scollarwhichsendsinformationtothe gadgetheldbytheowner.B?Nobodyreallyknowshowadogfeels.C ?ItwasfollowedbyI’mstrongerthanyouasthedoggrowled嗥叫and sniffed嗅atthevisitorD?Morecustomersareexpectedwhenthe Englishversionislaunchedthissummer.E?NowtheJapanesegirl thinkssheknows.F?Eachoneoftheseemotionsisthenlinkedtoa phraselikeLet’splayLookatmeorSpendmoretimewithme.
{{*HTML*}}{{B}}第三篇{{/B}} ?????{{B}}?? ??????MoreThanaRideto School{{/B}}??TheNationalEducationAssociationclaimsThe schoolbusisamirrorofthecommunity.Theyfurtheraddthatunfortunately whatappearsontheexteriordoesnotalwaysreflecttherealityofachosen community.Theyareright--sometimesitreflectsmore!JustaskLies!Denson. RidingtheschoolbushasbeenmorethanaridetoschoolforLies!.? ?BruceHardyschoolbusdriverforAlthouseBusCompanyhasbeenLiesl’s busdriversincekindergarten.LastyearwhenLiesl’sfamilymovedto Parkesburgknowingherbuswentbyhernewresidencesherequestedtoridethe samebus.??ThisyearLieslisaseniorandwillenjoyherlast yearridingthebus.ShesaysIt’sbeenagreatridesofar!Mybusdriveris socoolandhasalwaysbeenagoodfriendandagoodlistener.Sometimeswhen you’reachildadultsdonotthinkthatwhatyouhavetosayisimportant.Mr. Hardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportant.Her friendsAshleyBatistaandAmandaWolfeagree.??BruceHardyhas beenmakingOctorarastudentsfeelspecialsince1975.Thisyearhewill celebrate30yearsworkingforAlthouseBusCompany.LarryAlthousepresident ofthecompanyacknowledgesBruceHardy’soutstandingrecord:Youdonotcome byemployeeslikeBrucethesedays.Hehasnevermissedadayofworkandhasa perfectdrivingrecord.Hewasrecognizedin2000bythePennsylvaniaSchoolBus Associationfordriving350000accidentfreemiles.Hardy’sreputationismade furtherevidentthroughtherelationshipshehasmadewiththestudentsthat ridehisbus.??AlthousefurtheraddsAIthouseBusCompanywas established70yearsagoandhasbeenprovidingqualitytransportationever since.Mygrandfatherstartedthebusinesswithonebus.AlthouseBusCompanyis delightedtohavetheopportunitytobringdistinctiveandsafeservicetoour localschoolandcommunityandlooksforwardtocontinuingtoprovidequality serviceformanymoreyearstocome.??Threegenerationsof businessisnotallthecompanyhasenjoyed.ThankstodriverslikeBruceHardy theyhavebeenbuildingrelationshipsthroughgenerations.Liesl’smotherCarol alsoenjoysfondmemoriesofridingBruceHardy’sbustotheOctoraraSchool District.BruceHardyhasbeenworkingwithAlthouseBusCompany
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ????{{B}}Cloning克隆:FuturePerfect?{{/B}}1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhen.ChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.2?Seed’sannouncementprovokeda lotofmediaattentionmostofitnegative.InEuropenineteennationshave alreadysignedanagreementbanninghumancloningandintheUSthePresident announced:Wewillbeintroducingalawtobanallhumancloningandmany statesintheUSWillhavepassedanti-cloninglawsbytheendofthe year.3?Manyresearchersarenotsonegativeaboutcloning.Theyare worriedthatlawsbanninghumancloningwillthreatenimportantresearch.In MarchTheNewEnglandJournalofMedicinecalledanyplantobanresearchon cloninghumansseriouslymistaken.Manyresearchersalsobelievethatinspite ofattemptstobanithumancloningwillhavebecomeroutineby2010becauseit isimpossibletostoptheprogressofscience.4?Istherereasonto fearthatcloningwillleadtoanightmareworld?Thepublichasbeenbombarded 轰炸withnewspaperarticlestelevisionshowsandfilmsaswellascartoons. Suchinformationisoftenmisleadingandmakespeoplewonderwhatonearththe scientistswillbedoingnext.5?Withinthenextfivetotenyears scientistswillprobablyhavefoundawayofcloninghumans.Itcouldbethat prettysoonwewillbeabletochoosethepersonthatwewantourchildtolook like.Buthowwoulditfeeltobeacloneamonghundredstheanti-clonersask. Prettycoolanswerthepro-cloners赞成克隆的人.RichardSeed’sannouncementreceived______.
{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子作出判断 AnAwfulAfternoon? ?SometimesIfeelthatbeingthemotherofthreesmallchildrenislike runningalargecircus马戏团.Oneafternoonlastweekmythreesonswereplaying peacefullyintheback-yardthrowingtheballfromonetotheother.Ijumped atthechancetotalktooneofmyfriendsonthephonebutbeforeIgottothe phoneIcouldtellthattheboyshadbeguntoquarrelwitheachotherover something.IrushedouttomakepeacebutbeforeIgotthereCharleshadbegun tofightoverthis.EvenDavidtheoldestboywhowon’tusuallyfightwith anybodyoveranythingwasinvolved.FirstImadethemstopfightingandthen IexaminedMark’seye.Idecidedthatitwasn’tgoingtodevelopintoablack eyebutIfeltthattheyshouldsufferatleastalittleforwhattheyhad done.I’mgoingtospeaktoyourfatheraboutthesewhenhecomeshome tonightIsaid.?HeandIwillthinkofhowtopunishyou.Thingswere prettyquietafterthatforabouthalfanhourandthenCharlesbrokeaglass inthekitchensinkandatalmostthesamemomentMarkfelloutofthe appletree.IsupposeIwillbeabletolaughatallthesethingssomeday.In themeantimeIjustpraytoheavenforpatience. Themotherwasabouttocallherfriendwhenthethreeboysstartedarguewitheachotheraboutsomethinginthebackyard.
{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子作出判断 AnAwfulAfternoon? ?SometimesIfeelthatbeingthemotherofthreesmallchildrenislike runningalargecircus马戏团.Oneafternoonlastweekmythreesonswereplaying peacefullyintheback-yardthrowingtheballfromonetotheother.Ijumped atthechancetotalktooneofmyfriendsonthephonebutbeforeIgottothe phoneIcouldtellthattheboyshadbeguntoquarrelwitheachotherover something.IrushedouttomakepeacebutbeforeIgotthereCharleshadbegun tofightoverthis.EvenDavidtheoldestboywhowon’tusuallyfightwith anybodyoveranythingwasinvolved.FirstImadethemstopfightingandthen IexaminedMark’seye.Idecidedthatitwasn’tgoingtodevelopintoablack eyebutIfeltthattheyshouldsufferatleastalittleforwhattheyhad done.I’mgoingtospeaktoyourfatheraboutthesewhenhecomeshome tonightIsaid.?HeandIwillthinkofhowtopunishyou.Thingswere prettyquietafterthatforabouthalfanhourandthenCharlesbrokeaglass inthekitchensinkandatalmostthesamemomentMarkfelloutofthe appletree.IsupposeIwillbeabletolaughatallthesethingssomeday.In themeantimeIjustpraytoheavenforpatience. Thefatherwentabroadonbusinessandwouldreturnthenextday.
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{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??????? ??????????{{B}}Almost Human?{{/B}}??Scientistsareracingtobuildtheworld’sfirst thinkingrobot.Thisisnotsciencefiction:somesaytheywillhavemadeitby theyear2020.CarolPackerreports.??Machinesthatwalkspeak andfeelarenolongersciencefiction.Kismetisthenameofanandroid机器人 whichscientistshavebuiltattheMassachusettsInstituteofTechnologyMIT. Kismetisdifferentfromthetraditionalrobotbecauseitcanshowhuman emotions.Itseyesearsandlipsmoveto-showwhenitfeelshappysador bored.Kismetisoneofthefirstofanewgenerationofandroids--robotsthat looklikehumanbeings--whichcanimitatehumanfeelings.Coganotherandroid inventedbytheMITimitatestheactionofamother.Howeverscientistsadmit thatsofarCoghasthementalabilityofatwo-year-old.??The optimists乐观主义者saythatbytheyear2020wewillhavecreatedhumanoids机器人 withbrainssimilartothoseofanadulthumanbeing.Theserobotswillbe designedtolooklikepeopletomakethemmoreattractiveandeasiertosellto thepublic.Whatkindofjobswilltheydo?InthefuturerobotslikeRobonaut ahumanoidinventedbyNASAwillbedoingdangerousjobslikerepairingspace stations.Theywillalsobedoingmoreandmoreofthehouseholdworkforus.In Japanscientistsaredesigningandroidsthatwillentertainusbydancingand playingthepiano.??Somepeopleworryaboutwhatthefuture holds:willrobotsbecomemonsters怪物?Willpeoplethemselvesbecome increasinglylikerobots?Expertspredictthatmoreandmorepeoplewillbe wearingmicro-computersconnectedtotheInternetinthefuture.Peoplewill havemicro-chipsinvariouspartsoftheirbodywhichwillconnectthemtoa widevarietyofgadgets小装置.Perhapsweshouldnotexaggerate夸大the importanceoftechnologybutonewonderswhetherinyearstocomewewill stillbefallinginloveandwhetherwewillstillfeelpain.Who knows?Inthefuturerobotswillalso
{{*HTML*}}{{B}}第二篇{{/B}} ??????? ????{{B}}CreditCardOnlyWorksWhenSpoken To{{/B}}??Acreditcardthatwillnotworkunlessithearsits owner’svoicecouldbecomeanimportantweaponinthefightagainstfraud 欺骗.??Thecardrequiresuserstogiveaspokenpasswordthatit recognizesusingabuilt-invoice-recognitionchip.Theideaistoprevent thievesusingastolencardorfraudstersusingsomeoneelse’screditcard detailstobuygoodsonline.??Amodelbuiltbyengineersat BeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopacka microphonealoudspeakerabatteryandavoice-recognitionchipintoa standard-sizedcreditcard.??Theyarenotquitethereyet:the cardisthelengthandwidthofanordinarycreditcardbutitisstillabout threetimesasthick.Thecompanynowplanstomakeitthinner.? ?ThevoicecardisbasedonanearlierBeepcardtechnologydesignedto preventfraudinonlinetransactions.Thisearliercardhasnomicrophonebut hasabuilt-inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalvia acomputer’smicrophonetoanonlineserver.??Byverifying证实 thatthesignalmatchesthecarddetailstheservercanestablishthattheuser isnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand. TheIDcodechangeseachtimethecardisusedinapre-orderedsequencethat onlytheserverknows.??Thispreventsfraudstersrecordingthe beepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhenthey keyinthedetailslater.Butthisearliertechnologycannotpreventfraudulent useofstolencards.Thenewonecan.??Thenewvoicecardalso identifiesitselfbyitsIDsquawkbutitwillnotdothisuntilithas verifiedthelegitimate合法的user’sspokenpassword.Thieveswillbeunableto usethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeable tocopytheowner’svoicewithahighdegreeofaccuracy.??The challengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitry thatcanbepoweredbyaminibatteryembedded嵌入的inacreditcard.To maximizebatterylifetheelectronicsareonlyswitchedonwhenthecardis beingused.Pressingabuttononthecard’ssurfacepromptsittoutterSay yourpasswordinfemalevoice.Ifthevoice-recognitionsoftwareprovesthat thepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifiesallowingthetransactiontoproceed.Thevoicecreditcardisanimportantinventionbecause
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}??阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择 5组文字将其分别放回文章原有位置以恢复文章原貌 ?????????? ????{{B}}EveryDogHasItsSay{{/B}}??Kimiko FukudaaJapanesegirlalwayswonderedwhatherdogwastryingtosay. Wheneversheputonmakeupitwouldpullathersleeve.{{U}}?46 ?{{/U}}Whenthedogbarkssheglancesatasmallelectronicgadget装置.The followinghumantranslationappearsonitsscreen:Pleasetakemewithyou. Irealizedthat’showhewasfeelingsaidFukuda.??Thegadget iscalledBowlingualandittranslatesdogbarksintofeelings.Peoplelaughed whentheJapanesetoymakerTakaraCompanymadetheworld’sfirstdog-human translationmachinein2002.But300000Japanesedogownersboughtit. {{U}}?47?{{/U}}.??Nobodyelsehadthoughtaboutit saidMasahikoKajitawhoworksforTakara.Wespendsomuchtimetrainingdogs tounderstandourorders;whatwoulditbelikeifwecouldunderstand dogs???Bowlingualhastwoparts.{{U}}?48?{{/U}}The translationisdoneinthegadgetusingadatabase资料库containingeverykind ofbark.??Basedonanimalbehaviourresearchthesenoisesare dividedintosixcategories:happinesssadnessfrustrationangerdeclaration anddesire.{{U}}?49?{{/U}}Inthiswaythedatabasescientifically matchesabarktoanemotionwhichisthentranslatedintooneof200 phrases.??WhenavisitorwenttoFukuda’shouserecentlythedog barkedaloudbowwow.ThisistranslatedasDon’tcomethisway.{{U}} ?56?{{/U}}.??TheproductwillbeavailableinUSpet storesthissummerforaboutUS＄120.Itcanstoreupto100barkseven recordingthedog’semotionswhentheownerisaway.A?Awireless microphoneisattachedtothedog’scollarwhichsendsinformationtothe gadgetheldbytheowner.B?Nobodyreallyknowshowadogfeels.C ?ItwasfollowedbyI’mstrongerthanyouasthedoggrowled嗥叫and sniffed嗅atthevisitorD?Morecustomersareexpectedwhenthe Englishversionislaunchedthissummer.E?NowtheJapanesegirl thinkssheknows.F?Eachoneoftheseemotionsisthenlinkedtoa phraselikeLet’splayLookatmeorSpendmoretimewithme.{{*HTML*}}
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??????? ??????????{{B}}Almost Human?{{/B}}??Scientistsareracingtobuildtheworld’sfirst thinkingrobot.Thisisnotsciencefiction:somesaytheywillhavemadeitby theyear2020.CarolPackerreports.??Machinesthatwalkspeak andfeelarenolongersciencefiction.Kismetisthenameofanandroid机器人 whichscientistshavebuiltattheMassachusettsInstituteofTechnologyMIT. Kismetisdifferentfromthetraditionalrobotbecauseitcanshowhuman emotions.Itseyesearsandlipsmoveto-showwhenitfeelshappysador bored.Kismetisoneofthefirstofanewgenerationofandroids--robotsthat looklikehumanbeings--whichcanimitatehumanfeelings.Coganotherandroid inventedbytheMITimitatestheactionofamother.Howeverscientistsadmit thatsofarCoghasthementalabilityofatwo-year-old.??The optimists乐观主义者saythatbytheyear2020wewillhavecreatedhumanoids机器人 withbrainssimilartothoseofanadulthumanbeing.Theserobotswillbe designedtolooklikepeopletomakethemmoreattractiveandeasiertosellto thepublic.Whatkindofjobswilltheydo?InthefuturerobotslikeRobonaut ahumanoidinventedbyNASAwillbedoingdangerousjobslikerepairingspace stations.Theywillalsobedoingmoreandmoreofthehouseholdworkforus.In Japanscientistsaredesigningandroidsthatwillentertainusbydancingand playingthepiano.??Somepeopleworryaboutwhatthefuture holds:willrobotsbecomemonsters怪物?Willpeoplethemselvesbecome increasinglylikerobots?Expertspredictthatmoreandmorepeoplewillbe wearingmicro-computersconnectedtotheInternetinthefuture.Peoplewill havemicro-chipsinvariouspartsoftheirbodywhichwillconnectthemtoa widevarietyofgadgets小装置.Perhapsweshouldnotexaggerate夸大the importanceoftechnologybutonewonderswhetherinyearstocomewewill stillbefallinginloveandwhetherwewillstillfeelpain.Who knows?WhatmakesCogspecial?
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{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
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{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子作出判断 AnAwfulAfternoon? ?SometimesIfeelthatbeingthemotherofthreesmallchildrenislike runningalargecircus马戏团.Oneafternoonlastweekmythreesonswereplaying peacefullyintheback-yardthrowingtheballfromonetotheother.Ijumped atthechancetotalktooneofmyfriendsonthephonebutbeforeIgottothe phoneIcouldtellthattheboyshadbeguntoquarrelwitheachotherover something.IrushedouttomakepeacebutbeforeIgotthereCharleshadbegun tofightoverthis.EvenDavidtheoldestboywhowon’tusuallyfightwith anybodyoveranythingwasinvolved.FirstImadethemstopfightingandthen IexaminedMark’seye.Idecidedthatitwasn’tgoingtodevelopintoablack eyebutIfeltthattheyshouldsufferatleastalittleforwhattheyhad done.I’mgoingtospeaktoyourfatheraboutthesewhenhecomeshome tonightIsaid.?HeandIwillthinkofhowtopunishyou.Thingswere prettyquietafterthatforabouthalfanhourandthenCharlesbrokeaglass inthekitchensinkandatalmostthesamemomentMarkfelloutofthe appletree.IsupposeIwillbeabletolaughatallthesethingssomeday.In themeantimeIjustpraytoheavenforpatience. Davidwasthequietestofthethreeboys.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ?????????{{B}}DarkForces DominateUniverse{{/B}}??Theearthmoonsunandallvisiblestars intheskymakeuplessthanonepercentoftheuniverse.Almostalltherestis darkmatteranddarkenergyunknownforcesthat{{U}}?51 ?{{/U}}astronomers.??Observationsinrecentyearshavechanged thebasic{{U}}?52?{{/U}}ofhowtheuniverseevolvedandhaveindicated howlittleisknownaboutthemajorforcesandsubstancesthat{{U}}?53 ?{{/U}}ourworld.??Astronomersnowknowthatluminous发光的 matter--starsplanetsandhotgas--accounts{{U}}?54?{{/U}}only about0.4percentoftheuniverse.Non-luminouscomponentssuchasblackholes andintergalactic星系间的gas{{U}}?55?{{/U}}up3.6percent.Therest iseitherdarkmatterabout23percentordarkenergyabout73 percent.??Darkmattersometimes{{U}}?56?{{/U}}cold darkmatterhasbeenknownforsometime.Onlyrecentlyhaveresearcherscome tounderstandthekeyroleit{{U}}?57?{{/U}}intheformationofstars planetsandevenpeople.??We{{U}}?58?{{/U}}ourvery existencetodarkmattersaidphysicistPaulSteinhardtandaco-authorofa reviewondarkmatterwhich{{U}}?59?{{/U}}notlongagointhejournal Science.??Darkmatterdominatedthestructure{{U}}?68 ?{{/U}}intheearlyuniverseSteinhardtsaid.Forthefirstfewbillion yearsdarkmattercontainedmostofthemassoftheuniverse.Youcanthinkof ordinarymatter{{U}}?61?{{/U}}afroth泡沫ofanoceanofdarkmatter. Thedarkmatterclumps结成块andtheordinarymatterfallsintoit.That {{U}}?62?{{/U}}totheformationofthestarsandgalaxies 星系.??Withoutdarkmattertherewouldbevirtuallyno structuresintheuniverse.??Thenatureofdarkmatteris{{U}} ?63?{{/U}}.Itcannotbeseenordetecteddirectly.Astronomersknow itistherebecauseofits{{U}}?64?{{/U}}oncelestial天体的objects thatcanbeseenandmeasured.??Butthemostdominatingforceof allintheuniverseiscalleddarkenergyarecently{{U}}?65 ?{{/U}}powerthatastronomerssayiscausingthegalaxiesintheuniverseto separateatafasterandfasterspeed.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ????{{B}}Cloning克隆:FuturePerfect?{{/B}}1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhen.ChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.2?Seed’sannouncementprovokeda lotofmediaattentionmostofitnegative.InEuropenineteennationshave alreadysignedanagreementbanninghumancloningandintheUSthePresident announced:Wewillbeintroducingalawtobanallhumancloningandmany statesintheUSWillhavepassedanti-cloninglawsbytheendofthe year.3?Manyresearchersarenotsonegativeaboutcloning.Theyare worriedthatlawsbanninghumancloningwillthreatenimportantresearch.In MarchTheNewEnglandJournalofMedicinecalledanyplantobanresearchon cloninghumansseriouslymistaken.Manyresearchersalsobelievethatinspite ofattemptstobanithumancloningwillhavebecomeroutineby2010becauseit isimpossibletostoptheprogressofscience.4?Istherereasonto fearthatcloningwillleadtoanightmareworld?Thepublichasbeenbombarded 轰炸withnewspaperarticlestelevisionshowsandfilmsaswellascartoons. Suchinformationisoftenmisleadingandmakespeoplewonderwhatonearththe scientistswillbedoingnext.5?Withinthenextfivetotenyears scientistswillprobablyhavefoundawayofcloninghumans.Itcouldbethat prettysoonwewillbeabletochoosethepersonthatwewantourchildtolook like.Buthowwoulditfeeltobeacloneamonghundredstheanti-clonersask. Prettycoolanswerthepro-cloners赞成克隆的人.Withintenyearsscientistswillprobablyhave______.
{{*HTML*}}{{B}}第三篇{{/B}} ?????{{B}}?? ??????MoreThanaRideto School{{/B}}??TheNationalEducationAssociationclaimsThe schoolbusisamirrorofthecommunity.Theyfurtheraddthatunfortunately whatappearsontheexteriordoesnotalwaysreflecttherealityofachosen community.Theyareright--sometimesitreflectsmore!JustaskLies!Denson. RidingtheschoolbushasbeenmorethanaridetoschoolforLies!.? ?BruceHardyschoolbusdriverforAlthouseBusCompanyhasbeenLiesl’s busdriversincekindergarten.LastyearwhenLiesl’sfamilymovedto Parkesburgknowingherbuswentbyhernewresidencesherequestedtoridethe samebus.??ThisyearLieslisaseniorandwillenjoyherlast yearridingthebus.ShesaysIt’sbeenagreatridesofar!Mybusdriveris socoolandhasalwaysbeenagoodfriendandagoodlistener.Sometimeswhen you’reachildadultsdonotthinkthatwhatyouhavetosayisimportant.Mr. Hardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportant.Her friendsAshleyBatistaandAmandaWolfeagree.??BruceHardyhas beenmakingOctorarastudentsfeelspecialsince1975.Thisyearhewill celebrate30yearsworkingforAlthouseBusCompany.LarryAlthousepresident ofthecompanyacknowledgesBruceHardy’soutstandingrecord:Youdonotcome byemployeeslikeBrucethesedays.Hehasnevermissedadayofworkandhasa perfectdrivingrecord.Hewasrecognizedin2000bythePennsylvaniaSchoolBus Associationfordriving350000accidentfreemiles.Hardy’sreputationismade furtherevidentthroughtherelationshipshehasmadewiththestudentsthat ridehisbus.??AlthousefurtheraddsAIthouseBusCompanywas established70yearsagoandhasbeenprovidingqualitytransportationever since.Mygrandfatherstartedthebusinesswithonebus.AlthouseBusCompanyis delightedtohavetheopportunitytobringdistinctiveandsafeservicetoour localschoolandcommunityandlooksforwardtocontinuingtoprovidequality serviceformanymoreyearstocome.??Threegenerationsof businessisnotallthecompanyhasenjoyed.ThankstodriverslikeBruceHardy theyhavebeenbuildingrelationshipsthroughgenerations.Liesl’smotherCarol alsoenjoysfondmemoriesofridingBruceHardy’sbustotheOctoraraSchool District.AIthouseBusCompanywasfoundedby
{{*HTML*}}{{B}}第二篇{{/B}} ??????? ????{{B}}CreditCardOnlyWorksWhenSpoken To{{/B}}??Acreditcardthatwillnotworkunlessithearsits owner’svoicecouldbecomeanimportantweaponinthefightagainstfraud 欺骗.??Thecardrequiresuserstogiveaspokenpasswordthatit recognizesusingabuilt-invoice-recognitionchip.Theideaistoprevent thievesusingastolencardorfraudstersusingsomeoneelse’screditcard detailstobuygoodsonline.??Amodelbuiltbyengineersat BeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopacka microphonealoudspeakerabatteryandavoice-recognitionchipintoa standard-sizedcreditcard.??Theyarenotquitethereyet:the cardisthelengthandwidthofanordinarycreditcardbutitisstillabout threetimesasthick.Thecompanynowplanstomakeitthinner.? ?ThevoicecardisbasedonanearlierBeepcardtechnologydesignedto preventfraudinonlinetransactions.Thisearliercardhasnomicrophonebut hasabuilt-inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalvia acomputer’smicrophonetoanonlineserver.??Byverifying证实 thatthesignalmatchesthecarddetailstheservercanestablishthattheuser isnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand. TheIDcodechangeseachtimethecardisusedinapre-orderedsequencethat onlytheserverknows.??Thispreventsfraudstersrecordingthe beepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhenthey keyinthedetailslater.Butthisearliertechnologycannotpreventfraudulent useofstolencards.Thenewonecan.??Thenewvoicecardalso identifiesitselfbyitsIDsquawkbutitwillnotdothisuntilithas verifiedthelegitimate合法的user’sspokenpassword.Thieveswillbeunableto usethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeable tocopytheowner’svoicewithahighdegreeofaccuracy.??The challengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitry thatcanbepoweredbyaminibatteryembedded嵌入的inacreditcard.To maximizebatterylifetheelectronicsareonlyswitchedonwhenthecardis beingused.Pressingabuttononthecard’ssurfacepromptsittoutterSay yourpasswordinfemalevoice.Ifthevoice-recognitionsoftwareprovesthat thepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifiesallowingthetransactiontoproceed.Whatcanwelearnfromthelastparagraphaboutthevoicecard?
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