能正确表示“当x的取值在[1，10]或[200，300]范围内为真，否则为假”的表达式是（）

当A、B两个证券的相关系数取值为-1时，表示证券A，B收益变动

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.

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.InternationalArtConsultant(1)_____in1979,

2019年11月15日，甲公司与乙公司签订了一份不可撤销的商品购销合同，约定甲公司于2019年1月15日按每件2万元向乙公司销售W产品100件。2019年12月31日，甲公司库存该产品100件，每件实际成本和市场价格分别为1.8万元和1.86万元。甲公司预计向乙公司销售该批产品将发生相关税费10万元。假定不考虑其他因素，甲公司该批产品在2019年12月31日资产负债表中应列示的金额为()万元。

某企业采用月末一次加权平均法计算发出材料成本。2019年5月1日结存甲材料200公斤，单位成本10元；5月10日购入甲材料100件，单位成本11元；5月20日购入甲材料100件，单位成本12元；当月共发出甲材料100件。5月发出甲材料的成本为（）元。

请比较以下两个案例：（1）买方从国外进口一批供圣诞节出售的火鸡，卖方交货的时间比合同规定的时间晚了一个星期，由于圣诞节已过，火鸡难以销售，使买方遭受了重大损失。（2）买方从国外进口一批肉鸡，合同规定卖方应于7月至8月装运，但实际上卖方的装运日期，比合同规定的时间迟了一个星期，但这段时间里肉鸡的市场价格并没有发生什么变化，供销情况亦正常。下列表述正确的有：

1、下列不属于增值税特点的是()。

动脉手术后患肢需制动1周。

原辅料、包装材料贮存一定时间后，为确保其仍适用于预定用途，由企业确定的需重新检验的日期的为

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?

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?

一、Choosetherightanswersforthepronunciationofthefollowingwords(eachonehastwoanswers).为以下单词选出正确读音（每小题有两个答案）1.Exploit

二、TRUEorFALSE判断正误11.Swift是动词。

一、Choosetherightanswersforthepronunciationofthefollowingwords(eachonehastwoanswers).为以下单词选出正确读音（每小题有两个答案）1.Live