若x和y两产品的交叉弹性是-2.3，则（）。_x000D_

Python语句print(tuple([1,2,3]))的运行结果是：

3、下列属于崩塌特点的是（）。

1、地面沉降监测包括孔隙水压力监测。

2、泥石流、滑坡、地面沉降、崩塌等都属于山地地质灾害。

3、容易发生变形破坏和滑坡的边坡多为高边坡，因此，高边坡是研究与防治的重点。

4、滑坡和泥石流是斜坡破坏的常见形式。

5、滑坡的机制是某一滑移面上剪应力超过了该面的抗剪强度所致。

若让元素1，2，3，4，5依次进栈，则出栈次序不可能出现在（）种情况。

设A={1,2,3}，则A上的二元关系有()个。

Life’sallaboutmakingconnectionsReadthearticlebelowaboutsomenewnetworkinggroupsspecificallyforbusinesswomen.ChoosethebestwordA,BorCtofillthegaps。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.’Forexample,PricewaterhouseCoopersofferitsfemalestaffaformalnetworking(3)_____calledPwCwomen.With900members,itorganizeseventsrangingfrominformaldrinkseveningstocoachingevents.

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.Wework(3)______clientsinthecorporate,

听力三2（3）

1．阅读以下代码，运行结果为（）。[2,3,4,5].reduce(function(total,item){returntotal+item;});A、14B、3C、10D、120

以下程序的输出结果是ls1=[1,2,3,4,5]ls2=[3,4,5,6,7,8]cha1=[]foriinls2:ifinotinls1:cha1.append(i)print(cha1)