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

1．在数据管理技术的发展过程中，经历了人工管理阶段、文件系统阶段和数据库系统阶段。在这几个阶段中，数据独立性最高的是()阶段。

二、选择题1．在数据管理技术的发展过程中，经历了人工管理阶段、文件系统阶段和数据库系统阶段。在这几个阶段中，数据独立性最高的是()阶段。

二、选择题1．在数据管理技术的发展过程中，经历了人工管理阶段、文件系统阶段和数据库系统阶段。在这几个阶段中，数据独立性最高的是()阶段。

7．每个数据库有且只有一个（）。

一、单项选择题（本题共10题，每小题1分，共10分）7、下列不属于电子商务特点的是（）。

7.招标文件应当载明投标有效期，投标有效期从（）起算。

7.某项目期初投资10000元，第1年末收回4000元，第2年和第3年末均收回5000元，贴现率为10%,该项目的动态投资回收期是（)

1.系统中各主要作业成分从系统角度抽象地看就是输入、处理、存储和输岀。

7、关系数据库是以文件的形式存储数据（）。

2.甲旅游公司为增值税一般纳税人，主要从事旅游服务。2019年5月有关经营情况如下：(1)提供旅游服务取得含增值税收入720.8万元，替游客向其他单位支付交通费53万元、住宿费25.44万元、门票费22.26万元，另支付本单位导游工资2.12万元。(2)将本年购入商铺对外出租，每月含增值税租金10.9万元，本月一次性收取3个月的含增值税租金32.7万元。(3)购进职工通勤用班车，取得增值税专用发票注明税额7.8万元。(4)购进广告设计服务，取得增值税专用发票注明税额0.6万元。(5)购进电信服务，取得增值税专用发票注明税额0.18万元。(6)购进会议展览服务，取得增值税专用发票注明税额2.4万元。已知：旅游服务增值税税率为6%，不动产租赁服务增值税税率为9%;取得的扣税凭证已通过税务机关认证;甲旅游公司提供旅游服务进择差额计税方法计缴增值税。要求：根据上述资料，不考虑其他因素，分析回答下列小题。（1）甲旅游公司的下列支出中，在计算当月旅游服务增值税销售额时，准予扣除的是()。

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？

Life’sallaboutmakingconnectionsReadthearticlebelowaboutsomenewnetworkinggroupsspecificallyforbusinesswomen.ChoosethebestwordA,BorCtofillthegaps1-10.Toyou,networkingmightmean(1)____aconferenceortradefaireventtomeetnewclientsorpartners.Oritcouldbethecoffeebreakatworkwhereyoushare(2)_____withcolleaguesinotherdepartments.Butnowadaysnetworkinghasbecomeaneventinitself.Forexample,PricewaterhouseCoopersofferitsfemalestaffaformalnetworking(3)_____calledPwCwomen.With900members,itorganizeseventsrangingfrominformaldrinkseveningstocoachingevents.TinaHallet,whois(4)_______forthegroup,saysthatshegotinvolved(5)________networkingBecause‘I’dgottoareasonablyseniorlevelandIwantedtohelpotherpeopletomaximizetheirpotential.’Youdon’thavetobeseniorto(6)_____anetworkthough.VickyWoodandSallyHopkinshadtheideafortheCityGirlsNetworkwhentheyfirstmovedintoLondon’scorporateworldandwonderedhowtogetto(7)______otherwomen.‘Wecouldn’tfindanythingforpeoplewithnoexperience.Sowethoughtwe’dstartourown.’Fromtwelvefriendsmeetingregularly,itrapidlygrewto250membersfrommanydifferentorganizations.It’sagreatwayto(8)_____usefulcontactsandbringinpotentialbusiness.FionaClutterbuckisco-chairofanetworkforthebankABNAMRO.‘Womentendtothinkofnetworkingas(9)_______andgiveitlowpriority.’butgiventhechance,womenwillnetwork–asthebank’slast‘speednetworking’eventdemonstrated.‘Withover100womenandmen,itwasagreat(10)_____.Itisamazinghowmanypeopleyougettomeetfromdifferentpartsoftheorganization.’Toyou,networkingmightmean(1)____aconferenceortradefaireventtomeetnewclientsorpartners.

Life’sallaboutmakingconnectionsReadthearticlebelowaboutsomenewnetworkinggroupsspecificallyforbusinesswomen.ChoosethebestwordA,BorCtofillthegaps1-10.Toyou,networkingmightmean(1)____aconferenceortradefaireventtomeetnewclientsorpartners.Oritcouldbethecoffeebreakatworkwhereyoushare(2)_____withcolleaguesinotherdepartments.Butnowadaysnetworkinghasbecomeaneventinitself.Forexample,PricewaterhouseCoopersofferitsfemalestaffaformalnetworking(3)_____calledPwCwomen.With900members,itorganizeseventsrangingfrominformaldrinkseveningstocoachingevents.TinaHallet,whois(4)_______forthegroup,saysthatshegotinvolved(5)________networkingBecause‘I’dgottoareasonablyseniorlevelandIwantedtohelpotherpeopletomaximizetheirpotential.’Youdon’thavetobeseniorto(6)_____anetworkthough.VickyWoodandSallyHopkinshadtheideafortheCityGirlsNetworkwhentheyfirstmovedintoLondon’scorporateworldandwonderedhowtogetto(7)______otherwomen.‘Wecouldn’tfindanythingforpeoplewithnoexperience.Sowethoughtwe’dstartourown.’Fromtwelvefriendsmeetingregularly,itrapidlygrewto250membersfrommanydifferentorganizations.It’sagreatwayto(8)_____usefulcontactsandbringinpotentialbusiness.FionaClutterbuckisco-chairofanetworkforthebankABNAMRO.‘Womentendtothinkofnetworkingas(9)_______andgiveitlowpriority.’butgiventhechance,womenwillnetwork–asthebank’slast‘speednetworking’eventdemonstrated.‘Withover100womenandmen,itwasagreat(10)_____.Itisamazinghowmanypeopleyougettomeetfromdifferentpartsoftheorganization.’VickyWoodandSallyHopkinshadtheideafortheCityGirlsNetworkwhentheyfirstmovedintoLondon’scorporateworldandwonderedhowtogetto(7)______otherwomen.

InternationalArtConsultantInternationalArtConsultant(1)_____in1979,InternationalArtConsultantshasbeensourcingandcommissioningart(2)______forover25years.Wework(3)______clientsinthecorporate,hotel,healthcareandurbanregeneration(4)_______.Ourclients(5)______frommultinationalcompanieswith£1millionartbudgetstoorganizationsrentingartforjust£10aweek.A(6)______offourteen,wearesmallenoughtocareandlargeenoughtocope.Weoffera(7)______combinationofcommercialexperience,specialistartknowledgeandhighqualityserviceandsupport.Whateverthesizeoftheprojectour(8)______isforallourclientstobe100%satisfiedwiththeendresult.Over75%ofourworkcomesfrom(9)______businessorreferrals.Weworkalongsideprofessionalartistswhocreateartofthehighestartisticandtechnicalquality,andallourstaffhavedifferentareasofspecialistartknowledgeandexpertise.Wehopethatyouwill(10)______anappointmenttovisitus,lookroundthegalleries,usethevisualreferencedatabases,anddiscussyourparticularartrequirementswithus.Readaboutacompanythatdealswithartintheworkplace.CompletetheinformationwithanswersA,B,CorD.Weoffera(7)______combinationofcommercialexperience,specialistartknowledgeandhighqualityserviceandsupport.