投影三要素包括什么？

俯视图所在的投影面称为水平投影面，用字母什么表示？

主视图所在的投影面称为正面投影面，用字母什么表示？

在数列1,4,9,16，x,36,49…中，x的值为（）.

直径一千二的混凝土圆柱，每层柱净高四千二，一层梁高七百五，无其它特殊要求的情况下，第一个加密区长度为多少/

数字测图系统是以（)为核心的结合硬件、软件于一体的综合系统

16、会计核算是会计监督的基础，没有会计核算，会计监督就失去了依据。（　）

轴测图的优点是直观性强，立体感明显，能够放映物体的实际形状。

海底地形图大都采用数字化成图方法。

黑面尺测得的高差与红面尺测得的高差理论值相等。

放样遵循的原则与测图遵循的原则一样。

软件的开发与运行经常受到硬件的限制和制约。

16.Thankstothemagicofmovies,BruceLeehasbeenrememberedasagreat_______.

应用研究是发现物质运动的基本规律

PassageFourQuestions16to20arebasedonthefollowingpassage.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.16.WhatdowelearnaboutKnowledge-BasedArtificialIntelligence?