PassageOne
Questions 46 to 50 arebasedonthefollowingpassage.
ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass, Knowledge-BasedArtificialIntelligence. ThisonlinecourseisacorerequirementofGeorgiaTech'sonlineMasterofScienceinComputerScienceprogram. ProfessorGoelalreadyhadeightteachingassistants, butthatwasn'tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.
Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport. Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered, theirmotivationtocontinuebeginstofade. ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson, whichisbasedontheIBMWatsonplatform.
GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums. Atfirst, thevirtualassistantwasn'ttoogreat. ButGoelandhisteamsourcedtheonlinediscussionforumtofindallthe 40,000 questionsthathadeverbeenaskedsincetheclasswaslaunched. ThentheybegantofeedJillwiththequestionsandanswers. Aftersomeadjustmentsandsufficienttime, Jillwasabletoanswerthestudents'questionscorrectly 97% ofthetime. Thevirtualassistantbecamesoadvancedandrealisticthatthestudentsdidn'tknowshewasacomputer. Thestudents, whowerestudyingartificialintelligence, wereinteractingwiththevirtualassistantandcouldn'ttellitapartfromarealhumanbeing. Goeldidn'tinformthemaboutJill'strueidentityuntilApril 26. Thestudentswereactuallyverypositiveabouttheexperience.
ThegoalofProfessorGoel'svirtualassistantnextyearistotakeoveranswering 40% ofallthequestionsposedbystudentsontheonlineforum. ThenameJillWatsonwill, ofcourse, changetosomethingelsenextsemester. ProfessorGoelhasamuchrosieroutlookonthefutureofartificialintelligencethan, say, ElonMusk, StephenHawking, BillGatesorSteveWozniak.
46. WhatdowelearaboutKnowledge-BasedArificialItelligence?
A)Itisarobotthatcananswerstudents'questions.
B)Itisacoursedesignedforstudentstoleamnonline.
C)Itisahigh-techdevicethatrevolutionizesteaching.
D)Itisacomputerprogramthataidsstudentleaming.
47. WhatproblemdidProfessorGoelmeetwith?
A)Hisstudentswereunsatisfiedwiththeassistants.
B)Hiscoursewastoodifficultforthestudents.
C) Students'questionsweretoomanytohandle.
D)Toomanystudentsdroppedoutofhiscourse.
48. WhatdowelearaboutJillWatson?
A)Sheturnedouttobeagreatsucess.
B) Shegotalongprettywellwithstudents.
C) Shewasunwelcometostudentsatfirst.
D) Shewasreleasedonlineasanexperiment.
49. HowdidthestudentsfeelaboutJillWatson?
A) Theythoughtshewasabittooartificial.
B) Theyfoundhernotascapableasexpected.
C) Theycouldnotbutadmireherknowledge.
D) Theycouldnottellherfromarealperson.
50. WhatdoesProfessorGoelplantodonextwithJillWatson?
A) Launchdifferentversionsofheronline.
B) Feedherwithnewquestionsandanswers.
C) Assignhertoanswermoreofstudents'questions.
D) Encouragestudentstointeractwithhermorefreely.