净现值是实践中常用来评价项目方案经济效果，根据它反映出了项目在经济寿命期内的获利能力，NPV<0时，项目方案是不可取的。（）

16.Youneedtoset()withyourchildrenwhileworkingfromhome.

40.“Don'tforgettomentionme”中，mention可以替换成（）。

40.ThefirstEnglishpermanentsettlementwasfoundedinCalifornia.

16.WhichofthefollowingisNOTapowerofthepresident?

某企业的预计的资本结构中，资产负债率比率为40%，债务税前资本成本为12%。目前市场上的无风险报酬率为8%，市场上所有股票的平均收益率为16%，公司股票的β系数为1.2，所得税税率为25%，则加权平均资本成本为（　）%。　

16.在使用include指令时，包含文件中的变量和方法可以与包含文件中的变量和方法同名，不会引发错误。（）

16.下面关于Servlet的陈述正确的是：（多选）()（A）我们在浏览器的地址栏直接输入要请求的Servlet，该Servlet默认会使用doPost方法处理请求（B）Servlet运行在服务器端（C）Servlet的生命周期包括：实例化，初始化，服务，破坏，不可以用（D）Servlet不能向浏览器发送Html标签

某企业某年度年末流动负债为50万元，年初存货为40万元，全年主营业务成本为80万元，年末流动比率为2.5，速动比率为1.3，则本年度存货周转次数为（）次。

16．春になりました。（　　　）まだ寒い。

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?

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?

Theproblemwithaparentalopen-walletpolicy,saysGodfrey:“ifyou’realwaysgivenmoney,whywouldithaveanyvaluetoyou?”Earnedmoneyisspentmorewisely,shesays.“You’reteachingthemthatthereisnotanentitlementprograminlife.Thewayyougetitisyouearnit.”Godfreythinksanallowanceshouldbechore-based,andshedividesworkintotwocategories:citizen-of-the-householdchoresandwork-for-paychores.“Thepunishmentfornotdoingyourwork-for-paychoresisyoudon’tgetpaid.”Otherexperts,includingJaynePearl,authorofKidsandMoney,believethateveryfamilymemberisentitledtoasmallpieceofthefinancialpieandthatitshouldn’tbetiedtowork.Doingso“complicatesthingsunnecessarilyandimbuesallowancewithpowerstrugglesandcontrolissues,”saysPearl.“Ithinkof(anallowance)aslearningcapital....Theyhavetohavesomemoneytopracticewith.”40.WhichofthefollowingwouldGodfreyprobablyagree?___________

Theproblemwithaparentalopen-walletpolicy,saysGodfrey:“ifyou’realwaysgivenmoney,whywouldithaveanyvaluetoyou?”Earnedmoneyisspentmorewisely,shesays.“You’reteachingthemthatthereisnotanentitlementprograminlife.Thewayyougetitisyouearnit.”Godfreythinksanallowanceshouldbechore-based,andshedividesworkintotwocategories:citizen-of-the-householdchoresandwork-for-paychores.“Thepunishmentfornotdoingyourwork-for-paychoresisyoudon’tgetpaid.”Otherexperts,includingJaynePearl,authorofKidsandMoney,believethateveryfamilymemberisentitledtoasmallpieceofthefinancialpieandthatitshouldn’tbetiedtowork.Doingso“complicatesthingsunnecessarilyandimbuesallowancewithpowerstrugglesandcontrolissues,”saysPearl.“Ithinkof(anallowance)aslearningcapital....Theyhavetohavesomemoneytopracticewith.”40.WhichofthefollowingwouldGodfreyprobablyagree?___________

建立数据库表时，将年龄字段值限制在12～40岁之间的这种约束属于实体完整性约束