集合A={0，1}，A的子集有（）个

1.根据《水利水电工程等级划分及洪水标准》规定，某水库设计灌溉面积为九十八万亩，则此水库的工程等别至少应为（）等。

1、下列不属于会计拓展职能的是（　）。

过程考核三（平面向量）：已知向量a=（5，7），b=（-2，1），求a+b=（）

9、在暴雨诱发型滑坡中，（）不属于导致滑坡滞后时间变短的因素。

1．国际借贷说认为，影响汇率变化的因素是()。

假设intx=2;三元表达式x>0?x+1:5的运行结果以下哪一个

1、美国华纳公司推出的（  ），标志着默片时代的结束

1.加拿大传播学家（）提出了“媒介即信息”的著名观点。

1.最早进入电影史册的《火车到站》、《水浇园丁》等有着某些简单情节的影片是由()摄制的？

（单选题）1、中国证监会发布的《上市公司信息披露管理办法》属于()。

PartI.VocabularyandStructure（20%）Thereare20incompletesentencesinthispart.ForeachsentencetherearefourchoicesmarkedA,B,CandD.Choosetheonethatbestcompletesthesentence.1.________thinkingabouteverythingyou’remissing,focusonwhatyouwillgetbybeingaway.

产品ZXCA-F第1时段主生产计划量为100，其产品结构如图所示，其中部件CL在工作中心25完成，单件加工时间为0.6，批量为20，准备时间为1.1，其他部件不占用工作中心25，那么加工单件产品ZXCA-F对工作中心25来说所需的总时间为多少？

动脉手术后患肢需制动1周。

PassageOneQuestions46to50arebasedonthefollowingpassage.ProfessorAshokGoelofGeorgiaTechdevelopedanartificiallyintelligentteachingassistanttohelphandletheenormousnumberofstudentquestionsintheonlineclass,Knowledge-BasedArtificialIntelligence.ThisonlinecourseisacorerequirementofGeorgiaTech'sonlineMasterofScienceinComputerScienceprogram.ProfessorGoelalreadyhadeightteachingassistants,butthatwasn'tenoughtodealwiththeoverwhelmingnumberofdailyquestionsfromstudents.Manystudentsdropoutofonlinecoursesbecauseofthelackofteachingsupport.Whenstudentsfeelisolatedorconfusedandreachoutwithquestionsthatgounanswered,theirmotivationtocontinuebeginstofade.ProfessorGoeldecidedtodosomethingtoremedythissituationandhissolutionwastocreateavirtualassistantnamedJillWatson,whichisbasedontheIBMWatsonplatform.GoelandhisteamdevelopedseveralversionsofJillWatsonbeforereleasinghertotheonlineforums.Atfirst,thevirtualassistantwasn'ttoogreat.ButGoelandhisteamsourcedtheonlinediscussionforumtofindall40,000questionsthathadeverbeenaskedsincetheclasswaslaunched.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.1.WhatdowelearnaboutKnowledge-BasedArtificialIntelligence?