若采用1:5的比例绘制一个直径为40的圆时，其绘图直径为（）。

1、某工程有3个施工过程，划分为3个施工段，进行依次施工，每个施工过程在各个施工段上的施工持续时间均为3天，则该工程的工期为（）天。

1、流水节拍数值的确定可用（）方法。

1.ITRF框架原点在地球质心，以WGS-84椭球为参考椭球。

1.主要使用房间是建筑物的核心。

1电子设计自动化的简称是（）

1.附和导线坐标增量改正数之和坐标闭合差相等。

2.1：1000的比例尺精度为10cm。

1.CGCS2000是国家三维地心大地测量基准。

1.GPS信号测距码和数据码通过（）技术调制到载波上。

1．电子商务与传统商务在本质上没有差别，只是手段不同而已。

1．电子商务活动的直接参与者通常不包括（）。

1、被审计单位管理层的认定包括()。

以下程序中，请选出错误的那行process(clk，d)BeginSignald:std_logic;----------1Variableq:std_logic;----------2Ifclk`eventandclk=’1’Thenq<=d;----------3endif;----------4Endprocess；

Directions:Thereare3passagesinthissection.Eachpassageisfollowedby5questionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheet.Text1Engineeringstudentsaresupposedtobeexamplesofpracticality(实用性)andrationality(理性),butwhenitcomestomycollegeeducationIamanidealistandafool.InhighschoolIwantedtobeanelectricalengineerand,ofcourse,anysensiblestudentwithmyaimswouldhavechosenacollegewithalargeengineeringdepartment,famousreputationandlotsofgoodlabsandresearchequipment.Butthat’snotwhatIdid.Ichosetostudyengineeringatasmallliberal-arts(文科)universitythatdoesn’tevenofferamajorinelectricalengineering.Obviously,thiswasnotapracticalchoice;Icamehereformorenoblereasons.Iwantedabroadeducationthatwouldprovidemewithflexibilityandavaluesystemtoguidemeinmycareer.Iwantedtoopenmyeyesandexpandmyvisionbyinteractingwithpeoplewhoweren’tstudyingscienceorengineering.Myparents,teachersandotheradultspraisedmeforsuchawisechoice.TheytoldmeIwaswiseandmaturebeyondmy18years,andIbelievedthem.IheadedofftothecollegeandsureIwasgoingtohaveanadvantageoverthosestudentswhowenttobigengineering"factories"wheretheydidn’tcareifyouhadvaluesorwereflexible.Iwasgoingtobeacompleteengineer:technicalgeniusandsensitivehumanistallinone.NowI’mnotsosure.Somewherealongthewaymynobleideascrashedintoreality,asallnobleideasfinallydo.Afterthreeyearsofstrugglingtobalancemath,physicsandengineeringcourseswithliberal-artscourses,Ihavelearnedtherearereasonswhyfewengineeringstudentstrytoreconcileengineeringwithliberal-artscoursesincollege.Therealitythathasblockedmypathtobecomethetypicalsuccessfulstudentisthatengineeringandtheliberalartssimplydon’tmixaseasilyasIsupposedinhighschool.Individuallytheyshapeapersoninverydifferentways;togethertheythreatentoconfuse.Thestruggletoreconcilethetwofieldsofstudyisdifficult.1.Whydidtheauthorchoosetostudyengineeringatasmallliberal-artsuniversity?