2018年浙江专升本英语考试真题

2018年浙江专升本 英语 关于好奇心的名言警句英语高中英语词汇下载高中英语词汇 下载英语衡水体下载小学英语关于形容词和副词的题 考试真题FormatIDirections:Therearefourpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkerA,B,C,andD.YoushoulddecideonthebestchoiceandblackenthecorrespondingletteronTheAnswerSheet.(40points)PassageOneQuestionsIto5arebasedonthefollowingpassage:AU.N.reportsayswaterisindemandaroundtheworldastemperaturesonEarth'ssurfaceriseanddemandgrowsalongwithpopulations.ThereportwasreleasedthisweekattheWorldWaterForuminBrasilia.Theconferencehasbeendescribedastheworld'slargestwater-relatedevent.FederalDistrictGovernorRodrigoRollembergspokeatapaneldiscussiononTuesdayattheforum.Hedescribedwatershortagesasaworldwideproblem.“HereinBrasilia,itisnodifferent,”headded.ThepublicwatersupplyhaslesswaterbecauseoflowrainfallaswellasfastanddisorderlygrowthinBrasilia,whichispartoftheFederalDistrict,Rollembergsaid.InJanuary2016,afterthreeyearsoflittlerain,districtofficialsbeganlimitinghowmuchwaterpeoplecoulduse.ThegovernmentsoftheFederalDistrictandthenearbystateofGoiasalsogave$166milliontodevelopwaterinfrastructure(基础设施).Demandaroundtheworldisexpectedtoincreasebynearlyone-thirdby2050.Bythen,5billionpeoplecouldbeleftwithpooraccesstowater,theU.N.warnedinits2018WorldWaterDevelopmentReport.Toavoidsuchacrisis,U.N.officialscalledfor“nature-basedsolutions”thatuseorcopynaturalprocessesthatshouldbeusedtoincreasewateravailability.Theysaidsolutionscouldincludechangingfarmingmethodssofieldskeepmoremoistureandnutrients,collectingrainwater,andprotectingwetlands.Theofficialsalsoproposedreestablishingfloodplainsandsaidthatplantscouldbegrownonhousetops.Suchproposalswillbecomemoreimportantaswaterindustriesgrow.WhotalkedaboutwatershortagesinBrasiliaatapaneldiscussion?AjournalistA.U.N.officialAFederalDistrictofficialAnofficialfromthestateofGoias.WhatisamongthereasonsforlesspublicwatersupplyBrasilia?WasteofrainwaterInsufficientrainfallGrowingplantsontheroofsDevelopmentininfrastructureWhatdidtheFederalDistrictgovernmentdotodealwithwatershortages?TheycontrolledpopulationTheylimitedwaterconsumptionTheyinvestedinartificialrainmakingTheysuggested"nature-basedsolutions”Whatisnota"nature-basedsolution"?GatheringrainwaterPreservingwetlandsSustainingwaterinsoilBuildinghousesonfloodplain.Whatisthemainideaofthispassage?BrasiliaisfacingtheproblemofwatershortagesTheworldhasfoundasolutiontowatershortagesTheworldisfacingtheproblemofwatershortagesAreportwasreleasedattheWorldWaterForuminBrasilia.PassageTwoQuestions6to10arebasedonthefollowingpassage:TheQueenhasonlygivenoneinterviewwhileasovereign（君主）.Hertruepersonalityremainselusivetothepublic.However,onethingisclear:QueenElizabethisanintrovert.Introvertspreferquietenvironmentsandfeelenergizedfromspendingtimealoneorwithpeopletheyknowwell.Theyaren'tnecessarilyshy,buttheydotendtobemorereservedandguardedwithstrangers.FellowintrovertswillappreciatehowdraininganaveragedayforHerMajestymustbe.Fortunately,theQueenhassometrickstomakepublicengagementseasier.Justlikeuscommonersrelyonfriendstosaveusfromawkwardsituationsorboringconversations,shesubtlysignalstoherstaffwhenshewantsanintervention（介入）.Ifsheplacesherhandbagonthetable,itindicatesthatshewantstheeventtoendinthenextfiveminutes.Formoreurgentsituations,puttingherbagonthefloorshowsthatshewantsherlady-in-waitingtorescueherimmediately.Mostcomfortableinthecountryside,theQueenhasawell-knownpassionforhorsesanddogs.ThereisasceneinthehitNetflixshowTheCrownwhichrevealsafascinatingsideofthemonarch.WhilegivingJackieKennedyapersonaltourofBuckinghamPalace,thetwowomenfindthemselvesbondingovertheirrespectivepositionsasintrovertedwomenwhohavefoundthemselvesinthelimelight.SurroundedbytheQueen'sbelovedcorgis,bothwomenadmittheyarehappiestaroundanimalsandthattheirextrovertedsisterswouldhavebeenmuchbettersuitedtotheirpublicroles.Theunderlinedword"draining"（Paragraph1）istheclosestinmeaningtofrustratingexhaustingdemandingaspiringToberescuedimmediatelyinapublicengagement,theQueenwouldendtheeventwithinfiveminutesplaceherhandbagonthetablewavetoherlady-in-waitingputherbagonthefloorthemselvesInthelastparagraph,theunderlinedexpression"thetwowomenfindbondingovertheirrespectivepositions"meansthatthetwoladiesadmireeachotherhelpeachotherinpublicgrowclosertoeachothershowrespectforeachotherQueenElizabethandJackieKennedysharethefollowingtraitsorfactsEXCEPTthatbothhavesisterbothloveanimalsBothenjoybeinginpublicbothareintrovertedotherTheauthor'sattitudecanbedescribedasneutralcriticalpessimisticsubjectivePassageThreeQuestions11to15arebasedonthefollowingpassageBackwhenDisneyproductsweretobewatched,notexperiencedWaltDisneyhadathemeparkthatfeltlikesteppingintoamagicalnewplace.Now,wecanfinallywitnerWalt'sfirstdream.Beforeconstructioncouldstart,Waltneededfunding.HeandhisfriendRymanputtheirheadstogetherandmappedbuttheirdreamfortheDisneylandweekend,theirideacametolifeonpaperyoufnoticebyremarkablesimilaritiestothemodernAnaheimCaliforniapark.Liketoday,visitorswouldhaveenteredtheparkintoastreetUSA-typearea.Thetunnelsaren'taswideastheywereimaginedmorethan60yearsago,butpark-goersarestillgreetedwithatrainpassingoverheadastheymaketheirwaytowordthemagic.(EvenwithamodernDisneylandmap,it'stoughtofindthesesecretDisneyparkspotsyouneverknewexisted.)WaltalwayshopedacastleasafocalpointoftheparkItsreal-lifecopychangedfromhisinitialdream.Thefirstpalacewasasprawlingfortress,hidingamassivecarrousel(旋转木马)beyonditswallsow,SleepingBeautyCastlehasmoreintricatetowers,andKingArthurCarrouseltakesitsspinsinFantasyland,behindthepalacelalrWaltsvisionfortheMarkTwainsteamboatcirclingaroundTomSawyerIslandanditsPirate'sLair(t/t)hasn'tchangedmuch,thoughatthatpointitwascalledFrontierCountryinsteadFrontierland.Thatwasn,ttheonlynamechange,though.WorldofTomorrowturnedintoTomorrowland--andeventuallylostitsrocket.Astronautswalkedonthemoon14yearsaftertheparwasbuilt,makingtheRockettotheMoonseemout-of-date.Meanwhile,True-LifeAdventurelandlostitsfirstword,whilemost.WhatwasWaltDisney'sfirstdream?TobuildathemeparkTodrawamaponpaperTotravelinamagicalplaceTodesignaseriesofproductsBeforeconstructionstarted,WaltDisneydidthefollowingthingsEXCEPT.gettingfundingplanningtheparkdrawingtheparkonpaperdaydreamingwithaFriendWhichofthefollowingparkspotshasnotchangedmuchsinceWalt'svisioncametolifeonpaper?AMainStreetareaWorldofTomorrowSleepingBeautyCastleTrue-LifeAdventurelandHowmanynamechangeshavebeenmentionedinthispassage?OneTwoThreeFourWhatisthethemeofthispassage?AtourinDisneylandWaltDisney'slifestoryThefutureofDisneylandWaltDisney'sFirstdream.PassagefourQuestions16to20arebasedonthefollowingpassageYou'vemadeit.Youmanagedtonavigateyourwaythroughtheworld'slargestairportyoubreezedthroughsecurityandyousuccessfullyboardedtheplane.Nowyou'recomfortableinyourseatinthecabin,andthere'sevenalittlebititofelbowroom,astheflightisn'tfullybookedforonce.Withthehasslebehindyou,yousettleinwithyourneckpillow,popsomeKennyGonyouriPod,andgetreadytospendqualitytimesleepingonaplane.Andyou'reaboutomakeahugemistakethatwillputyourhealthatrisk,asreportedbyTravel+Leisure.It'snotbecauseoftheKennyG.It'stheshuteyepart.AccordingtoMedlinePlus,fallingasleepduringlandingortakeoffcouldcauseseriousdamagetoyourears.Itallhastodowiththerapidchangesinairpressureinthecabin.Ifyou'reawake,anaturalresponsetoalleviatepressureonyoureardrumsduringtakeoffandlandingisto“pop”them,tomaintainapressureequilibrium.Ifyou'resleepingonaplane,youcan'tactivelyworktorelaxthosemusclesandreleasethetension,soyoucanbecomesusceptibletodizziness,earinfections,eardrumdamage,hearinglossandnosebleeds.“Aquickchangeinaltitudeaffectstheairpressureintheear,”saysAngelChalmers,aBritishpharmacist,viaExpress.“ThisleadstoavacuumintheEustachiantubes(咽鼓管)whichmakestheearsfeelblockedandsounddull.KeepthoseEustachiantubesclearandkeepthoseeyesopenforatleastanotherfewminutes.Crackopenthatbookyoujustboughtintheterminal.Afterall,therearesomemajorperkstobuyingyourreadingmaterialattheairport.Theunderlinedsentence"you'vemadeit.”(Paragraph1)meansthatyouhavemanaged.toboardtheplanetogetabitofelbowroomtogetreadytosleepafterboardingtomakeyourselfcomfortableafterboardingWhatwoulddamageyourhealthwhentheplanelakesofforlands?Usinganeckpillow.ShuttingyoureyesListeningtomusicFallingasleep.Theunderlinedword"alleviate"(Paragraph2)istheclosestinmeaningtoincreasereducemaintainescapeHavingavacuumintheEustachiantubesduringtakeoffandlandingcouldcauseunpleasantsymptomstothefollowingbodypartsEXCEPT.thethroatthenosethecarstheheadTheauthorsuggeststhatyoureadabookduringtheplanetakingoffandlandingtoamuseyourselftostayawaketokeepyourearscleartomakeyourselfcomfortableFormatIIDirections:Inthefollowingpassage,somesentenceshavebeenremoved.Forquestions21to25choosethemostsuitablesentencefromchoicesAtoGloitintoeachofhenumberedblanks.Therearetwoextrachoices,whichdonotfitintoanyoftheblanks.YoushoulddecideothebestChoiceandblackenthecorrespondingletteronTheAnswerSheet.(10point)Whetherit'sahotelstay,shoppingordiningout,avacationtoParisCanbeapriceyproposition.ButthereareplentyofwaystostretchyourdollarintheCityofLightsandhaveahigh-endgetawayBarkleyHickcox,aParisspecialistandanownerofLocalForeigner,atravelconsultancy,hasafewtipstohelptravelersmakethemostoftheirParisiangetaway.TheidealtinetovisitParisisbetweenNovemberandApril,whenholdpricesaretheirlowest.Somehigh-endpropertiesofferevenfurtherdiscountsifyoubookastayseveralmonthsinadvance.FamiliestravelingtoParisshouldconsiderstayinhigh-endapartmentinsteadofahotel,MsHickcoxsaid."Anapartmentislessexpensivethanbookingmultipleroomsatafive-starhotel,andsinceyouhaveakitchen,youcansavemoneyonfoodcostsbyeatinginoccasionally,"shesaid.Parisisknownforfinecuisine,butratherthandiningatoneofthecity'srenownedrestaurantsatdinnertime,goforlunch,whenthetabwillbemuchlowerandthecuisinejustasgood."you'llfindlotsofgreateaterieswhereyoucanhavedinnerwithwinefor35to50eurosaperson,"shesaid.Ms.Hickcox'sfavoritewaytoexploreParisisonfoot."Youcanfullyappreciatethecity'sbeautybywalking,andit'sdesignedforwalkersbecausetherearewalkingpathsandsidewalkseverywhere”shesaid.Forlongerdistances,shesuggestedusingthecity'sbikesharesystem,Velib.Aweeklongpasscosts15euros,andtherearestationseverywhere.Thereisanotherchoiceifyouarenotsomuchfondofbiking.25Paris'subwaysystem.it'sconvenient,andyoucanbuydailyandweeklypasses.DineoutEatsmartTrytheMetroStayinahotelDitchtaxisandcarsTravelattherighttimeChoosetherightaccommodationsSectionBBankedCloze（每小题1分,共10分）Directions:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistof'choicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.PleaseblackenthecorrespondingletterforeachchoiceonTheAnswerSheet.Youmaynotuseanyofthewordsinthewordbankmorethanonce(10points)Iknewthiswomanwhowasafraidtotellpeoplewhatshewanted.Shedidn'tknow26tosayno.Instead,shegotherselftangledinawebofobligations,anxiety,andwhitelies.Shewas27.28recently,IdecidedI'dhadenough.Asanexperiment,Ibegan29upformyself,evenattheriskofalienating(疏远)everyoneandhaving30entirelifecomecrashingdownaroundme.Thatdidn'thappen.Here'swhatIdid:IstoppedmakingpettyexcusesSaying“no”issomucheasier.ifsomeoneasksmetodosomethings.Ihavezerointerest31,I'mpolitebuthonest.Thephrase:I'msorry,Idon'tthinkthat'sreally32me,”slipsoutmymouthfasterthansomelameexcuse.Myfriendsandfamilydidn'tmind.33Istoppedpeoplepleasing,noonecared.Agoodfriendaskedmetogoforcoffeeat5PM.Iwas34tohitthegym.Isaid,"Sorry,I'vegotthingsIwanttodotonight.”Shesaid,”That'sfine.Maybeanothertime.”Learninghowtosay“no"hasaddedseveralextrahourstomydays,days35myweeks,andwhatfeelslikemonthstomyyears.Saying"nohassetmefree.A.facing、B.to、C.her、D.in、E.fir、F.what、G.standing、H.And、I.my、J.But、K.me、L.When、M.on、N.planning、O.howPartIIIntegratedTesting(30points,30minutes)SectionAcloze(每小题1分,共20分)Directions:Thereare20blanksinthefollowingpassage.ForeachblanktherearefourchoicesmarkedA,B,CandD.YoushouldchoosetheONEthatbestfitsintothepassage.ThenblackenthecorrespondingletteronTheAnswerSheet.(20points)BrazilianZarelaMosqueramovedtotheUnitedStatesasateenager.Theadjustmenttoanewplacewas36.Mosquerasaysshebecameabratty(顽皮的)teenager,asaresult.Butitwasnotjustthe37thataffectedherbehavior.MosquerasaystherewasanothermajorstressinherlifeatthattimeShewastheonlymemberofher38whospokeEnglish.Beinginacountrywithmyfamilythatdoesn'tspeakSpanishandmyparentsdo39,myparentsweretryingtogivemealltheseresponsibilities."AlongwithSpanishandEnglish,MosqueraalsospeaksPortuguese.Buttherewasanotheruniversallanguageshelearnedtoloveasachild.:art.ZarelaMosqueraconnectedwithdrawingandpaintingwhileinschool.40shemostlydismissedartasapathtoacareer.ShesaysherDad41alwayssay,"Thinkaboutthe42”Mosqueradidnotthinkhewouldsupportthestudyof43onceshewenttocollege.Buttoher44,Itwasherparentswhosuggestedjustthat.Theyurgedherto45totechnicalandliberalartsschools."OneofthemwasRhodeislandSchoolofDesign,whichwaslikewaslikemy46choice."RISD,asitiscalled,47Mosqueraaswell.Sheenrolledinindustrialdesign.“It'sbasicallytodesign48andservices.Icouldbedoingsomethingmoretechnicalorsomethingmore49toproblemsolving.Whetherit's50outabetterwaytofilterwaterordevelopingatypeofspecificshelter51refugeesforexample.”Mosquerasaysthecourseofstudywas52includingmeatworking,woodworkingandmodelmaking.Shesaysinoneclassshejustdrewcubesforanentiremonth,whichledhertoa53:"Wow!DoIreallywanttodothis?”But,shesays,she54thecubestudy.And,thenshebegan55onmoreInterestingprojects.”MosqureraisnowadesignstrategistforManhallMoyaDesign,anarchitectureandinteriordesigncompanyinWashington,D.CA.successfulB.importantC.necessaryD.difficultA.ageB.growthC.adjustmentD.educationA.familyB.peersC.friendsD.classA.SpanishB.EnglishC.PortugueseD.FrenchA.SoB.MoreoverC.AndD.ButA.couldB.shouldC.wouldD.mightA.timeB.pastC.presentD.futureA.languageB.artC.technologyD.designA.disappointmentB.surpriseC.annoyanceD.dissatisfactionA.applyB.caterC.adaptD.moveA.topB.moralC.naturalD.popularA.failedB.rejectedC.choseD.urgedA.machinesB.sheltersC.filtersD.productsA.adjustedB.relateC.affiliatedD.exposeA.figuringB.wipingC.fillingD.rulingA.withB.forC.onD.inA.easyB.pleasantC.toughD.smoothA.questionB.problemC.doorD.roadA.undertookB.fundedC.startedD.survivedA.putingB.fundedC.workingD.counting非选择题部分注意事项用黑色字迹的签字笔或钢笔将答案写在答题纸无,不能答在 试题 中考模拟试题doc幼小衔接 数学试题 下载云南高中历年会考数学试题下载N4真题下载党史题库下载 卷SectionBShortAnswerQuestions（每小题3分,共10分）Directions:Inthispartthereisashortpassagefollowedbyfivequestionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementswithnomorethan10words.PleasewriteyouranswersouTheAnswerSheet.（10points）ResearchersinJapanandAustraliasaytheyhavemadeprogressindevelopingbloodtestthatcouldonedayhelpdoctorsidentifywhomightgetAlzheimer'sdisease.Thescientistssaidthetestcanrecognizeaproteinknownasamyloid（涛粉样蛋）beta,whichotherstudieshavelinkedtoAlzheimer's.Theysaiditwascorrectmorethan90percentofthetimeinastudyinvolvingover370people.ThefindingswerepublishedinthejournalNature.Alzheimer'sdiseaseisthemostcommonformofdemenna（痴呆）.Expertsbelievedementiaaffectscloseto50millionpeopleworldwide.Bytheyear2050,itisexpectedtoaffectmorethan131millionpeople.ThosenumberscomefromAlzheimer'sDiseaseInternational,anon-profitgroup.Currently,doctorshavetwowaystoidentifyabuildupofamyloidbetainthebrain.Oneisbrainscanorbrainimaging;theotherisaspinaltap（脊椎抽液）.Butbothtestsareinvasive,costlyandmayonlyshowresultswhenthediseasehasalreadystartedtoprogress.ThereisnotreatmentthatcanslowtheprogressionofAlzheimer's.Currentdrugscanonlycasesomeoftheeffectsofthedisease.Havingasimple,low-costbloodtestcouldmakeiteasierfordrugcompaniestofindenoughpeoplewhoareatriskofdevelopingAlzheimer'stotestnewmedicines,saidKatsuhikoYanagisawa.Hewasoneoftheleadersofthestudy.HeworksattheJapaneseNationalCenterforGeriatricsandGerontologyAlzheimer'sdiseaseisthoughttostartdevelopingyearsbeforepatientshaveanysignsofmemoryloss.Expertssayanimportantfactorinfindinganeffectivetreatmentwillbetheabilitytorecognizesignsofthediseaseearly."Youhavegottowalkbeforeyourun,"saidColinMasters,aco-leaderofthestudyandaprofessorattheUniversityofMelbourneinAustralia."Youhavetolearntodiagnosethediseasedirectlybeforeyoucanhopetoseetheeffectoftherapeuticintervention.Andthat'swheretherealvalueinthistestwillcome."Mastersadded.ThispassagereportsthedevelopmentofatesttodiagnoseAlzheimer'sdiseaseOneadvantageofthepresenttestisthatitcoststhantheprevioustests.AllthethreetestsidentifyAlzheimer'sdiseasebydetectingaproteinnamed.CandoctorscureorslowdowntheprogressionofAlzheimer'sdiseasetoday?Alzheimer'sdiseasemayhavealreadystartedbeforepatientshaveanysignsofmemory.PartIIITranslation（30points,30minutes）（每小题3分,共30分）SectionAChinese-EnglishtranslationDirections:CompletethesentencesbytranslatingintoEnglishtheChineseexpressionsgiveninthebrackets.PleasewriteyourtranslationonTheAnswerSheet.（15points）（起源于汉朝）,Shadow-play（皮影戏）becamepopularamongordinarypeopleinTangdynasty.TradebetweenWestandEastmovedthroughCentralAsiaalongthefamesilkRoad,bringing（发展与繁荣）.TheGrandCanalflowssouthwards（纵贯四省）ofHebei,Shandong,JiangsuandZhejiang.BYDisnowfamousforits"pluginelectrichybridcays,which，（名称所示），canberechargedbypluggingthemintoelectricitysockets.Ifyouaretostudyfor（学士学位）,youhavetotakestandardizedexaminationsonacoupleofsubjects.SectionBEnglish-ChineseTranslationDirections:TranslateintoChinesetheunderlinesentencesinthefollowingpassage.PleasewriteyourtranslationonTheAnswerSheet.（15points）Whenaskedhowfarengineershaddonetowardscreatingartificialintelligence（AI）,StephenW.Hawkingreplied:66.Oncehumansdevelopartificialintelligence,itwouldtakeoffonitsown.Itwillredesignitselfataneverincreasingrate.Humans,whoarelimitedbyslowbiologicalevolution,couldn'tcompetewiththem.Wewouldbereplaced.”Inmyview,thelateCambridgeprofessoriswrongbecausetherearestronggroundsforbelievingthatcomputerswillnevercopyallhumancognitiveabilities.67.AIhashistoricallyfailedtocopyhumanmentality,anditwillcontinuetofail.Threefundamentalproblemsexplainwhy.First,computerslacktrueunderstanding.AUSphilosopherJohnSearleproposeshowacomputerprogramcanappeartounderstandChinesestoriesbyrespondingtoquestions,butfailtotrulyunderstandanythingoftheinteraction.Second,computerslackconsciousness.Someresearchershold68.ifarobotexperiencesaconscioussensationasitinteractswiththeworld,consciousnesswillexistineverythingeverywhere：inthecupofteaIamdrinking,intheseatthatIamsittingon.Butdoeseverythinginthisworldhavesoulsorminds?Ifwerejectthisidea,wemustrejectmachineconsciousnessLastly,computerslackmathematicalinsight.CanthehumanmindbecompletelyrealizedbymerecomputationsmyroleasanAlexpertontheInternationalCommitteeforRobotArmsControl.Iamparticularlyconcernedbythepotentialdevelopmentofroboticweaponssystems.69.Thesesystemscanengagethemselvesinmilitaryactionwithouthumaninstruction.ThisisbecausecurrentAIisnotsimilartohumanintelligence.Whenfightingagainsteachother,poorlydesignedautonomoussystemshavethepotentialtomakethesituationsworserapidly.Suchsystemscanexhibittrueartificialstupidity.Itispossibletoagreethat70.Almayposeanexistentialthreattohumanity,butitwillneverbecomemoreintelligentthanus.每小题30分,共30分)PartIVWriting(30points,30minutes)(Directions:Forthispart,youareallowed30minutestowriteacompositiononthetopicPopulationTransformationinChina.Youshouldwriteabout120wordsfollowingtheChineseoutlinegivenbelow,takingtheinformationavailableinthefollowingtableusevidenee.PleasewriteyourcompositiononTheAnswerSheet.(30points)第71题 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf :PopulationTransformationinChinaMajorindexesYearoftransitionTrendPopulationbelow151975decreasePopulationoflaborbetween15and642015decreasepopulationabove651975decrease简述表格内容，概括中国人口变化简要说吸人口变化可能带来的社会影响，如居民养老、代际关系、劳动力人口下降等⑶提出相应的建议和措施。