[单选题]18.JudgeHaltsWorkonMicrosoft’sJEDIContract,aVictoryforAmazonAfederaljudgeinWashingtonorderedMicrosoftonThursdaytohaltallworkona$10billioncloud-computingcontractforthePentagon,inavictoryforAmazon,whichhadchallengedtheawardingofthecontract.Inasealedopinion,thejudgeoftheCourtofFederalClaimsorderedworktostopontheJointEnterpriseDefenseInfrastructureproject,knownasJEDI,untilAmazon’slegalchallengewasresolved.The10-yearcontractwasoneofthelargesttechcontractsfromthePentagon,andMicrosoftwassettobeginworkonitthismonth.Thedecisionaddstotheacrimonysurroundingthelucrativedeal,whichwasamajorprizeinthetechnologyindustry,andratchetsupthelegalbattlearoundthetransformationofthemilitary’scloud-computingsystems.InDecember,AmazonfileditslegalchallengeagainsttheawardingofJEDI,sayingthatMr.Trumpused“improperpressure”onthePentagonatitsexpense.Inanothercourtfilingthismonth,Amazonarguedthataninjunctionwasnecessarytopreventitfromlosingtheprofititcouldearnfromthecontract.“ThisisallsettingthestageforamajorcourtfightbetweenAmazonandMicrosoft,withtheD.O.D.caughtinbetween,”saidDanielIves,ananalyst.“It’sapoliticalfootballthat’sbeingkickedaround.”QuestionWhichofthefollowingisasynonymof“lucrative“in“thedecisionaddstotheacrimonysurroundingthelucrativedeal?”
[单选题]TheUrbanization—migrationawayfromthesuburbstothecitycenter—willbethebiggestrealestatetrendin2015,accordingtoanewreport.ThereportsaysAmerica’surbanizationwillcontinuetobethemostsignificantissueaffectingtheindustry,ascitiesacrossthecountryimitatethewalkabilityandtransit-orienteddevelopmentmakingcitieslikeNewYorkandSanFranciscososuccessful.Assmallercitiescopythemodelofthese“24-hourcities，’’tfioreaffordableversionsoftheseplaceswillbecreated.Thereportreferstothisasthecomingofthe“18-hourcity，”，andusesthetermtorefertocitieslikeHouston,Austin,Charlotte,andNashville,whichare“positioningthemselvesashighlycompetitive,intermsoflivability,employmentofferings,andrecreationalandculturalfacilities.”Anothertrendthatlookssignificantin2015isthatAmerica’slargestpopulationgroup,Millennials(千禧一代)，willcontinuetoputoffbuyingahouse.ApartmentswillretaintheirappealforawhileforMillennials,hauntedbywhathappenedtohome-owningparents.Thistrendwillcontinueintothe2020s,thereportprojects.Afterthat,surveyrespondentsdisagreeoverwhetherthisgenerationwillfollowintheirparents，footsteps,movingtothesuburbstoraisefamilies,orwillchoosetoremaininthecitycenter.AnotherissueaffectingrealestateinthecomingyearwillbeAmerica’sfailinginfrastructure.Mostroads,bridges,transit,watersystems,theelectricgrid,andcommunicationsnetworkswereinstalled50to100yearsago,andtheyarelargelytakenforgranteduntiltheyfail.Thereport’swritersstatethatAmerica’sfailuretoinvestininfrastructureimpactsnotonlythehealthofthereal-estatemarket,butalsoourabilitytoremaingloballycompetitive.Apartfromthespecifictrendshighlightedabove,whichcausesomeinvestorstoworry,thereportportraysanoveralloptimismbornebytherecenthealthyreal-estate“upcycle”andimprovingeconomy.Seventy-fourpercentoftherespondentssurveyedreporta“goodtoexcellent”expectationofreal-estateprofitabilityin2015.Whileexcessiveoptimismcanpromotebadinvestmentpatterns,resultinginareal-estate“bubble,”thereport’swritersdownplaythatpotentialoutcomeinthatithasnotyetoccurred.Whatcharacterizes“24-hourcities”likeNewYork?
[单选题]TheUrbanization—migrationawayfromthesuburbstothecitycenter—willbethebiggestrealestatetrendin2015,accordingtoanewreport.ThereportsaysAmerica’surbanizationwillcontinuetobethemostsignificantissueaffectingtheindustry,ascitiesacrossthecountryimitatethewalkabilityandtransit-orienteddevelopmentmakingcitieslikeNewYorkandSanFranciscososuccessful.Assmallercitiescopythemodelofthese“24-hourcities，’’tfioreaffordableversionsoftheseplaceswillbecreated.Thereportreferstothisasthecomingofthe“18-hourcity，”，andusesthetermtorefertocitieslikeHouston,Austin,Charlotte,andNashville,whichare“positioningthemselvesashighlycompetitive,intermsoflivability,employmentofferings,andrecreationalandculturalfacilities.”Anothertrendthatlookssignificantin2015isthatAmerica’slargestpopulationgroup,Millennials(千禧一代)，willcontinuetoputoffbuyingahouse.ApartmentswillretaintheirappealforawhileforMillennials,hauntedbywhathappenedtohome-owningparents.Thistrendwillcontinueintothe2020s,thereportprojects.Afterthat,surveyrespondentsdisagreeoverwhetherthisgenerationwillfollowintheirparents，footsteps,movingtothesuburbstoraisefamilies,orwillchoosetoremaininthecitycenter.AnotherissueaffectingrealestateinthecomingyearwillbeAmerica’sfailinginfrastructure.Mostroads,bridges,transit,watersystems,theelectricgrid,andcommunicationsnetworkswereinstalled50to100yearsago,andtheyarelargelytakenforgranteduntiltheyfail.Thereport’swritersstatethatAmerica’sfailuretoinvestininfrastructureimpactsnotonlythehealthofthereal-estatemarket,butalsoourabilitytoremaingloballycompetitive.Apartfromthespecifictrendshighlightedabove,whichcausesomeinvestorstoworry,thereportportraysanoveralloptimismbornebytherecenthealthyreal-estate“upcycle”andimprovingeconomy.Seventy-fourpercentoftherespondentssurveyedreporta“goodtoexcellent”expectationofreal-estateprofitabilityin2015.Whileexcessiveoptimismcanpromotebadinvestmentpatterns,resultinginareal-estate“bubble,”thereport’swritersdownplaythatpotentialoutcomeinthatithasnotyetoccurred.46.Accordingtothenewreport,realestatedevelopmentin2015willwitness_______.
[单选题]ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass,Knowledge-BasedArtificialIntelligence.ThisonlinecourseisacorerequirementofGeorgiaTech’sonlineMasterofScienceinComputerScienceprogram.ProfessorGoelalreadyhadeightteachingassistants,butthatwasn’tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport.Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered,theirmotivationtocontinuebeginstofade.ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson,whichisbasedontheIBMWatsonplatform.GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums.Atfirst,thevirtualassistantwasn’ttoogreat.ButGoelandhisteamsourcedtheonlinediscussionforumtofindallthe40,000questionsthathadeverbeenaskedsincetheclasswaslaunched.ThentheybegantofeedJillwiththequestionsandanswers.Aftersomeadjustmentsandsufficienttime,Jillwasabletoanswerthestudents’questionscorrectly97%ofthetime.Thevirtualassistantbecamesoadvancedandrealisticthatthestudentsdidn’tknowshewasacomputer.Thestudents,whowerestudyingartificialintelligence,wereinteractingwiththevirtualassistantandcouldn’ttellitapartfromarealhumanbeing.Goeldidn’tinformthemaboutJill’strueidentityuntilApril26.Thestudentswereactuallyverypositiveabouttheexperience.ThegoalofProfessorGoel’svirtualassistantnextyearistotakeoveranswering40%ofallthequestionsposedbystudentsontheonlineforum.ThenameJillWatsonwill,ofcourse,changetosomethingelsenextsemester.ProfessorGoelhasamuchrosieroutlookonthefutureofartificialintelligencethan,say,ElonMusk,StephenHawking,BillGatesorSteveWozniak.18.WhatdowelearnaboutJillWatson?
[单选题]ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass,Knowledge-BasedArtificialIntelligence.ThisonlinecourseisacorerequirementofGeorgiaTech’sonlineMasterofScienceinComputerScienceprogram.ProfessorGoelalreadyhadeightteachingassistants,butthatwasn’tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport.Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered,theirmotivationtocontinuebeginstofade.ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson,whichisbasedontheIBMWatsonplatform.GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums.Atfirst,thevirtualassistantwasn’ttoogreat.ButGoelandhisteamsourcedtheonlinediscussionforumtofindallthe40,000questionsthathadeverbeenaskedsincetheclasswaslaunched.ThentheybegantofeedJillwiththequestionsandanswers.Aftersomeadjustmentsandsufficienttime,Jillwasabletoanswerthestudents’questionscorrectly97%ofthetime.Thevirtualassistantbecamesoadvancedandrealisticthatthestudentsdidn’tknowshewasacomputer.Thestudents,whowerestudyingartificialintelligence,wereinteractingwiththevirtualassistantandcouldn’ttellitapartfromarealhumanbeing.Goeldidn’tinformthemaboutJill’strueidentityuntilApril26.Thestudentswereactuallyverypositiveabouttheexperience.ThegoalofProfessorGoel’svirtualassistantnextyearistotakeoveranswering40%ofallthequestionsposedbystudentsontheonlineforum.ThenameJillWatsonwill,ofcourse,changetosomethingelsenextsemester.ProfessorGoelhasamuchrosieroutlookonthefutureofartificialintelligencethan,say,ElonMusk,StephenHawking,BillGatesorSteveWozniak.18.WhatdowelearnaboutJillWatson?
