云南省曲靖市宣威市民中2025届高考考前模拟英语试题含答案

云南省曲靖市宣威市民中2025届高考考前模拟英语试题含答案注意事项：1．答题前，考生先将自己的姓名、准考证号填写清楚，将条形码准确粘贴在考生信息条形码粘贴区。2．选择题必须使用2B铅笔填涂；非选择题必须使用0．5毫米黑色字迹的签字笔书写，字体工整、笔迹清楚。3．请按照题号顺序在各题目的答题区域内作答，超出答题区域书写的答案无效；在草稿纸、试题卷上答题无效。4．保持卡面清洁，不要折叠，不要弄破、弄皱，不准使用涂改液、修正带、刮纸刀。第一部分（共20小题，每小题1.5分，满分30分）1．Itseemslatetosayanything.Weprobably______itifwehadmadeanoffersooner.A．wouldhavegot B．wouldgetC．hadgot D．got2．HeletmewritedownhisinstructionssurethatIwouldknowwhatwasafterhewentaway.A．making;doingB．making;todoC．tomake;todoD．tomake;tobedone3．Modestyisakindofgoodquality,whichis______ittakestobeyourpersonalbest.A．what B．where C．which D．when4．—DidLindaseethetrafficaccident?—No,nosooner________thanithappened.A．hadshegone B．shehadgoneC．hasshegone D．shehasgone5．MartinLutherKing,Jr.putitthatpeaceisnotmerelyadistantgoalthatweseek,butameans_____wearriveatthatgoal.A．that B．where C．bywhich D．withwhich6．MsAliceisconsidereda

ladybyus,forsheoftenhelpsthepoorshemetwith.A．selfish B．hopefulC．mean D．generous7．Ifwe________atableinadvance,wewouldn'tbestandinghereinthelongqueue.A．reserve B．reservedC．havereserved D．hadreserved8．—AreyoucomingtoJeff’sparty?—I’mnotsure.I______gototheconcertinstead.A．must B．wouldC．should D．might9．Alongwiththeemailwasmybrother’spromise______Icamefirstinthecompetition,hewouldbuymeanMP4.A．what B．that C．thatif D．whether10．Thescientistdoesnotstudynature________itisusefultodoso.Hestudiesitbecausehetakespleasureinit.A．until B．becauseC．though D．unless11．Playingwiththeirpeers,childrenlearntoandnotdoexactlywhattheywanttodo.A．compromiseB．competeC．contributeD．construct12．--Can’tyoustayalittlelonger?Ireallywanttotalkmorewithyou.--Me,too.________Ihavetogethomebefore10atnight.A．But B．Since C．And D．For13．－Doyoureallymeanitwhenyousayhewillagoodpresident?A．judge B．duit C．turn D．Serve14．—Youmeanthepositionisstillvacant?—Yes,butyoumustknowourjobisverydemanding.—_______.A．WithpleasureB．Idon’tmindC．Don’tmentionitD．That’sallright15．Studentsarealwaysinterestedinfindingout_______theycangowithanewteacher.A．howfar B．howsoon C．howoften D．howlong16．—DoyouthinkI'magoodsurfer?—Ofcourse!I________youearlier．Youmadeitlooksoeasy，gracefuleven．A．amwatching B．waswatchingC．havewatched D．hadwatched17．—Kevin,timeforthenextdestination!—Nohurry!Another15minutesandwe_____alltheexhibitionroomsofthemuseum.A．amexploringB．haveexploredC．willexploreD．willhaveexplored18．____ofdangerinthestreetatnight,thegirldoesn’tdaretogooutwithoutsomeone____her.A．Warned;accompaniedB．Warned;accompanyingC．Warning;accompaniedD．Warning;accompanying19．Thebiggestproblemformostplants,which________justgetupandrunawaywhenthreatened,isthatanimalsliketoeatthem.A．shallnot B．can'tC．needn't D．mustn't20．When________questionsinclass,oneshouldanswerthemasclearlyaspossible.A．asking B．toask C．tobeasked D．asked第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）Inthestoryof“ThecrowandthePitcher”fromAesop’sFables,athistycrow(乌鸦)dropsstonesintoanarrowjartoraisethelowlevelofwaterinsidesohecantakeadrink.Nowscientistshaveevidencetobackupthatstory.Crowsactuallydounderstandhowtomakewaterdisplacement(移位)worktotheiradvantage,experimentsshow.Theresultssuggestthatthebirdsare,atleastinsomeaspects,assmartasfirst-graders.Researchers,ledbySarahJelbertattheUniversityofAucklandinNewZealand,presentedsixcrowswithtubesfilledwithwater.Insidethetubes,awormorpieceofmeatonapieceofwoodwasfloating,justoutofreachofthecrow.Infrontofthetubes,theresearchersarrangedseveralrubbererasersthatwouldsink,andsomeplasticobjectsthatwouldfloat.Thecrowsfoundoutthattheycoulddroptheerasersintothetubesinordertoraisethewaterlevelandgettheirsnack.However,thebirdshandledawkwardlyinexperimentsinwhichtheycouldchoosetodropobjectsineitherawidetubeoranarrowonetogetasnack,theresearcherssaid.Droppingobjectsintonarrowtubewouldliftthewaterlevelbyagreateramountandputthetreatwithinreachafterjusttwodrops;whileittookaroundsevendropstoraisethesnacktothesamelevelinthewidetube.Thecrowsobviouslydidn’trealizethis,andmostofthemwentforthewidetubefirst.Previousstudiesshowedthatchimpsandhumanchildrencansolvesimilartasks.Ina2011study,chimpsandkidsfoundoutthattheycouldputwaterintoatubetoreachapeanutthatwasfloatinginasmallamountofwateratthebottom.1、HowdidthecrowsgetthesnackinSarah’sexperiment?A．Bybreakingthetube.B．Bydroppinginerasers.C．Bystandingonthewood.D．Byremovingthewood.2、Whatdoestheauthormeanby“thebirdshandledawkwardly”inparagraph4?A．Theywereunabletotelldifferentshapes.B．Theydroppedobjectsonlyintonarrowtubes.C．Theywerenotawareofthesnackatfirstsight.D．Theymostlyavoidedtheeasierwaytogetthesnack.3、Whatdoesthetextmainlyfocuson?A．StoriesofAesop’sFables.B．Thedevelopmentofcrows.C．Crows’intelligence.D．Human-animalcommunication.4、Whatcanwelearnfromthepassage?A．Crowsarealmostascleverasfirst-gradersinsomerespects.B．Crowsunderstandwaterdisplacementcompletely.C．Chimpsandchildrenaremuchsmarterthancrows.D．Thestoryof“ThecrowandthePitcher”lacksevidence.22．（8分）Babies’mainfoodisricecereal.Butitisoftenpoisoned.Studieshavefoundthatmanybrandscontainmeasurableamountsofinorganicarsenic(无机砷),themostpoisonouskind.It'snotjustnice:anAugust2018studytested50foodsmadeforbabies.includingorganicandnonorganicbrandssuchasGerber,EarthsBest,andotherpopularlabels,andfoundevidenceofatleastonedangerousheavymetalineveryproduct.Fifteenofthe50containedenoughcontaminants(污染物)toposepotentialhealthriskstoachildeatingoneservingorlessaday.Heavymetalscandamagecognitive(认知的)developmentinchildren,whoareespeciallyatriskbecauseoftheirsmallersize.InorganicarsenicindrinkingwaterhasbeenfoundtolowertheIQscoresofchildrenbyfivetosixills.Andasheavymetalsaccumulateinthebodyovertime.theycanraisetheriskofcancer,diabetesandotherphysicalconditions.Ofcourse,findingyou’reyourfavoritebrandiscontaminatedisnotareasontopanic.Lowlevelsofexposureforshortperiodsareunlikelytocauseseriouseffects,butparentsshouldfocusonreducingtheoveralllevelsofthesepoisonoussubstancesintheirchildren'stotaldiettolimitharm.HeavymetalsoccurnaturallyonEarthandarepresentinsoilandwater.Butpesticides(杀虫剂),miningandpollutionincreasetheirconcentrations,andfarmingandfoodmanufacturingprocessescancontributeevenmore.Foodmakersareclearlyofkeepingbabyfoodpoison-free:roughlyathirdofthetestedproductsdidnotcontainworrisomemetallevels.Somecompaniesarealreadytryingtolookintothesourcesofcontaminationintheirproductsandtrytoreducethem.Morecompaniesshouldfollow.Butthebestchanceofrealchangewillcomewithlaws.CurrentlytherearenoU.Srulesonacceptablelevelsofheavymetalsinbabyfoods.Thegovernmentandthefoodindustryshouldunitetodealwiththeseriousthreattoourchildren.1、WhatdidtheAugust2018studyfind?A．Fifteenofthe50foodbrandscontainedcontaminantsB．Allorganicfoodbrandscontainedsomeinorganicarsenic.C．Earth’sBestprovedtobeapoison-freebabyfoodbrand.D．Alltestedproductswerecontaminatedwithheavymetals.2、Accordingtothesecondparagraph,inorganicarsenicindrinkingwaterhasabadeffectonchildren's_____A．intelligenceB．behaviorC．sightD．emotion3、Inthefourthparagraph,thewriterindicatesthat_____A．foodstorageisamajorsourceofmetalcontaminationinthefoodproductsB．manyfoodmakershaven'ttakenenoughsafetystepstoreducemetallevelsC．foodmakersshouldfigureoutthesourcesofcontaminationintheirproductsD．foodcompaniesmustbebannedfromproducingfoodscontainingheavymetals4、Accordingtothewriter,whichofthefollowingisthevitalsteptomakearealdifferencetotheworryingsituation?A．Steppingupbabyfoodtests.B．ListingharmfulheavymetalsC．MakingoutrelevantregulationsD．Punishingfoodlawbreakers.23．（8分）Whenyouaresittinginclass,haveyoueverdrawnpicturesinthemargins(页边的空白处)ofyournotebooks?Ifso,youaredoodling.Manypeoplethinkofdoodlingasadistraction(分心)frommoreimportantthings.Butitmightbejusttheopposite.Onestudyshowsthatdoodlingmayhelpyourememberthingsyouhear29%more.Besides,doodlingcanhelpyouthinkcreatively.Walkingawayfromaproblemtodrawmightactuallyhelpyousolveit.Whenyoucomeback,you’llhaveafreshperspectiveandfigureoutananswermorequickly.AnauthornamedSunniBrownwroteabookondoodling.Shearguesthatdoodlingisatoolthatcanhelppeoplethink.Infact,sherunsabusinessthathelpscompaniesimproveorganizationandplanningthroughdoodling.Brownbelievesdoodlingishelpfulbecauseitincludesmanywaysoflearning.Youlearninfourways:seeing,hearing,readingorwriting,andthroughmovement.Themorewaysyouuse,thebetteryoulearn.Andwhenyoudoodlewhilelisteningtoalecture,youuseallfour.Youmightthinkthatbeinggoodatdrawingisimportantfordoodling.Butifthepointofdoodlingistohelpyouthink,thenitdoesn’tmatterwhatthepicturelookslike.Evenifyou’renotanartist,doodlingcanhelpyou.Sonexttimeyouneedhelpfocusing,pickupapenanddoodleaway!1、Thepassagemainlytellsusthe________ofdoodling.A．advantages B．disadvantagesC．effects D．problems2、Whatdoestheunderlinedword“perspective”probablymeaninParagraph2?A．体验 B．观点C．困扰 D．机会3、HowdoesSunniBrownfeelaboutdoodling?A．Ithelpsrememberbetter. B．Ithelpsthinkcreatively.C．Itinvolvesfourwaysoflearning. D．Itneedsdrawingskills.4、Accordingtothetext,itishelpfultodoodlewhen________.A．youwanttofocusyourattention. B．youhaveaconversation.C．youwonderinthepark. D．youwatchamovie.5、Whereisthepassagepossiblytakenfrom?A．Abookreview. B．Amessageboard.C．Astudenttextbook. D．Asciencemagazine.24．（8分）ThereisanEnglishsaying:“Laughteristhebestmedicine.”Untilrecently,fewpeopletookthesayingveryseriously.Nowhowever,doctorshavebeguntostudylaughterandtheeffectsithasonthehumanbody.Theyhavefoundfactsthatlaughterreallycanimprovepeople’shealth.[Testswerecarriedouttostudytheeffectsoflaughteronthebody.Peoplewatchedfunnyfilmswhiledoctorscheckedtheirheartrate,bloodpressure,breathingandmuscles.Itwasfoundthatlaughterhassimilareffectstophysicalexercise.Itincreasesbloodpressure,theheartrateandtherateofbreathing;italsoworksseveralgroupsofmusclesintheface,thestomach,andeventhefeet.Iflaughterexercisesthebody,itmustbebeneficial.Othertestshaveshownthatlaughterappearstobeabletoreducingtheeffectofpainonthebody.Inoneexperimentdoctorsproducepainonthebody.Inoneexperimentdoctorsproducepainingroupsofstudentswholistenedtodifferentradioprograms.Thegroupwhichtolerated(忍受)thepainforthelongesttimewasthegroupswhichlistenedtoafunnyprogram.Thereasonwhylaughtercanreducepainseemstobethatithelpstoproduceendorphinsinthebrain.Thesearenaturalchemicalswhichdiminishbothstressandpain.Thereisalsosomefacttosuggestthatlaughterhelpsthebody’simmunesystem,thatis,thesystemwhichfightsinfection.Inanexperiment,onegroupofstudentswatchedafunnyvideowhileanothergroupofstudentsservedasthecontrolgroup----inotherwords,agroupwithwhichtocomparethefirstgroup.Doctorscheckedthebloodofthestudentsinbothgroupsandfoundthatthepeopleinthegroupthatwatchthevideohadanincreaseintheactivityoftheirwhitebloodcells,thatis,thecellswhichfightinfection.Asaresultofthesediscoveries,somedoctorsandpsychiatristsintheUnitedStatesnowholdlaughterclinics,inwhichtheytrytoimprovetheirpatients’conditionbyencouragingthemtolaugh.Theyhavefoundthateveniftheirpatientsdonotreallyfeellikelaughing,makingthemsmileisenoughtoproducebeneficialeffectssimilartothosecausedbylaughter.1、Itcanbelearntfromthepassagethatlaughtercan_______.A．makepeoplefeelyoungerB．changepeople’shabitsC．improvepeopleshealthD．makepeoplelovetheirlives2、Smilingcanproduce____.A．moreeffectsthanlaughterB．thesameeffectsaslaughterC．lesseffectsonthehumanbodyD．noeffectsonthehumanbody3、Themainideaofthispassageisthat______.A．thereareseveralwaysofstudyingthebenefitsoflaughterB．laughterandphysicalexercisehavethesameeffectsonhumanbodyC．thedoctorsshouldlearnhowtomakepeoplelaughD．testsshowthatlaughtercanproducebeneficialeffectsonhumanbody25．（10分）TeenTourCampsatSummerCRock-N-WaterChristianCampsLotus,California,UnitedStatesDuration:4weeksFoundedin1989,Rock-N-WaterisagroupofhighlytrainedChristianswhowanttoimpactyoungpeoplewiththejoyofGod’sLivingWord.Wefocusourprogramonbiblicalprinciples,andweusethehelpofnature,friendship,andchallengetodevelopcharacterandhaveridiculousamountsoffun.OdysseyExpeditions:CaribbeanRoadTown,TortolaDuration:3weeksOdysseyExpeditionsofferstropicalsailingandscubadivingadventuresforteenagers,withmarinebiology,watersports,andscubacertificationsatexcitingCaribbeanlocations.Establishedin1995,OdysseyisthebestopportunitytosafelyexploretheCaribbeanaboardabeautifulsailingcatamaran.Noexperiencenecessary.Reserveyourspotbeforeavailability.Smallgroupsof9-1allowyoutohavethemostfun!TheG2AcademyGolfCampBluffton,SouthCarolinaDuration:variableThesummerprogramatG2isdesignedspecificallyforgirlsempoweringthemfortheirfuturesuccess.Studentscanjoinweeklysessionsorstaytheentiresummer!WhileparticipatingintheG2AcademySummerProgram,studentsreceiveG2ProprietaryTrainingingolf,mentaltoughness,physicalfitness,nutrition,andempowerment.Berklee’sAspire:MusicPerformanceIntensiveBoston,Massachusetts,UnitedStatesDuration:5weeksBerklee’sAspirewillgiveyouatasteofBerklee,thepreeminentinstituteofcontemporarymusicandtheperformingarts.Whetheryouareinmiddleschool,highschool,orbeyond,thereisaBerkleesummerprograminmusic,theater,and/ordanceforyou.You’llenjoyaccesstoBerklee’sstate-of-the-artfacilitiesasyoulearnfromfacultywhoaretheverybestatwhattheydo,joinedbystudentsfromallovertheworld.1、Whichtourcampdoyouneedtobookinadvance?A．TheG2AcademyGolfCamp.B．Rock-N-WaterChristianCamps.C．OdysseyExpeditions:Caribbean.D．Bcrklee’sAspire:MusicPerformanceIntensive2、WhatistheprimaryfocusforBerklee’sAspiretourcamp?A．Adventure. B．Sports.C．Music. D．Religion.3、WhatisuniqueabouttheG2AcademyGolfCamp?A．Itoffersscubacertifications. B．ItisbasedonChristianprinciples.C．Itrequiresnopreviousexperience. D．Itisintendedforgirlsonly.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Alandfreefromdestruction，pluswealth，naturalresources，andlaborsupply--allthesewereimportant______inhelpingEnglandtobecomethecenterfortheIndustrialRevolution．______theywerenotenough．Something______wasneededtostarttheindustrialprocess．That“somethingspecial”wasmen--______individualswhocouldinventmachines，findnew______ofpower，andestablishbusinessorganizationstoreshapesociety．Themenwho______themachinesoftheIndustrialRevolution______frommanybackgroundsandmanyoccupations．Manyofthemwere______inventorsthanscientists．Amanwhoisa______scientistisprimarilyinterestedindoinghisresearch______．Heisnotnecessarilyworking______thathisfindingscanbeused．Aninventororoneinterestedinappliedscienceis______tryingtomakesomethingthathasaconcreteuse．Hemaytrytosolveaproblemby______thetheories______scienceorbyexperimentingthroughtrialanderror．______ofhismethod，heisworkingtoobtaina______result：theconstructionofaharvestingmachine，theburningofalightbulb，oroneofmanyotherobjectives．Mostofthepeoplewho______themachinesoftheIndustrialRevolutionwereinventors，nottrainedscientists．Afewwerebothscientistsandinventors．Eventhosewhohad_____ornotraininginsciencemightnothavemadetheirinventions_____agroundworkhadnotbeenlaidbyscientistsyears_____．1、A．cases B．reasons C．factors D．situations2、A．But B．And C．Besides D．Even3、A．else B．near C．extra D．similar4、A．generating B．effective C．motivating D．creative5、A．origins B．sources C．bases D．discoveries6、A．employed B．created C．operated D．controlled7、A．came B．arrived C．stemmed D．appeared8、A．less B．better C．more D．worse9、A．respectable B．practical C．pure D．clever10、A．happily B．occasionally C．reluctantly D．accurately11、A．now B．and C．all D．so12、A．seldom B．sometimes C．always D．never13、A．planning B．using C．studying D．applying14、A．of B．with C．to D．as15、A．Speaking B．Thinking C．Instead D．Regardless16、A．single B．sole C．specialized D．specific17、A．proposed B．developed C．supplied D．offered18、A．little B．much C．some D．any19、A．as B．if C．because D．while20、A．ago B．past C．ahead D．before第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）ShenquanGuyu,alarge-scalehealthandleisurevillageclub，covers1．areaofmorethan4,000acresinYanggaoCounty,DatongcityinNorthChina’sShanxiProvince,andishometooneofthe2．(1arge)hotspringbasesinNorthChina．Thecluboffersavarietyofleisureactivities，includingpayingavisittoXujiayaoCultureZone,3．visitorscangetabetterunderstandingofXujiayaopeople，ridingthehorse,ortakingabiteofauthenticlocalcuisines．Itisworth4．(note)thathotspringindustryhasgainedfameinDatongcitythankstoitsrichhotspringresourcesinthesurroundingcounties．Andthelocalgovernmentalso5．(take)thehotspringindustryasthedrivertoboosteconomicandtourism6．(grow).Thevillageclubtakesadvantageofhotspringasthethemeinhotelbuilding．Thewaterhereiscollectedfrommineralhotsprings，andthetemperatureofthewatercanbeashighas63.5℃;7．，visitorscanalsoenjoyoutdoorhotspringsinwinter.Thevillageclub8．(active)developsgreenagricultureindustryandhasinvestedmorethan200millionyuaninthebotanicalgardensforpeople9．(appreciate)，whichactsasaplaceforvisitorstoembracenature．Theclubcanreceivemorethan6,000touristsatthesametimeand10．(award)asthenational—levelculturaltourismprojectin11．第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文。短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。删除：把多余的词用斜线（＼）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改均仅限一词；2、只允许修改10处，多者（从第11处起）不计分。Dearclassmates,Asthecollegeentranceexamsarereallyaroundacornernow,manystudentsfeelmuchstressing、Whatshouldwedoittoavoidthis?Firstly,doingphysicalexercisewasthebestwaytoreducestressandhelppeoplerelax、Therefore,itishelpfulthatweeachdoessomeregularphysicalexercise、Secondly,makingaproperstudyplanisgreatimportancetoo,sinceitishelpfulforustodoourworkmoreefficient、Lastbutnotleast,weshouldpayspecialattentioninourdietaswell、Anyway,abalanceddietcankeepthemsmartandenergetic、Onlyifwecandothesethingswillwemakeourtimesofstudyenjoyable,efficientandfruitful、第二节书面表达（满分25分）29．（25分）假定你是李华，2018年1月10日是你校的开放日，届时所有课堂将对外开放。请你给你校美籍教师Wendy写一封电子邮件，内容包括：1.开放日的时间和总结会的地点（学校会议室）；2.Wendy上一堂体现核心素养（corecompetences）培养的口语课；3.在总结会上Wendy谈谈在本次活动中的收获。注意：1.词数100左右；2.可以适当增加细节，以使行文连贯。____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、A2、D3、A4、A5、C6、D7、D8、D9、C10、B11、A12、A13、C14、B15、A16、B17、D18、B19、B20、D第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、1、B2、D3、C4、A22、1、D2、A3、B4、C23、1、A2、B3、C4、A5、D24、Guidedogsenjoytheirworkverymuch,andtheygetalotofsatisfactionfromajobwelldone,butthereisnoroomfortypicaldogfunduringtheworkday.Games,treatsandpraisedistractthedogfromhelpingitshandlernavigate(指引方向)thecourse.Evenwhenthehandlerdoesn’tneedassistance,aguidedogonthejobistrainedtoignoredistractionsandkeepstill.Thisisbecauseaguidedogmustbeabletocometohandler’sworkplaceorbeinpublicplaceswithoutcreatingadisturbance(干扰).Whenyouseeaguidedogonthejob,itisextremelyimportantthatyourecognizethatitisatwork.Pettingortalkingtothedogspreadsitsconcentration,whichweakensthehandler’sabilitytogetaroundinhisorhersurroundings.Peopleareveryimpressedwithguidedogsandsowehaveanaturalinclination（倾向）topraisethem,butthebestthingyoucandotohelpaguidedogistoleaveitalonesothatitcanpayattentiontoitssurroundingsandmaintainitsfocusonitshandler.Guidingisverycomplicated,anditrequiresadog’sundividedattention.Whenaguidedoggetshomeattheendoftheday,however,itwillplayandsoakuppraisejustlikeanordinarypet.Guidedogsmakethedifferencebetweenworkandplaybasedontheirleadharness（牵狗用的皮带）：Whentheharnessison,theymuststaycompletelyfocused----whenitcomesoff,it’splaytime.Guidedogsworkveryhardeveryday,buttheyleadextremelyhappylives,fulloflotsofattentionandstimulation.Workingasaguidedogrequiresgoodphysicalandmentalshape,soguidedogstypicallyretirejustbeforetheyenteroldage.Retirementisusuallyatage8or10;butsomeworkforalittlelonger,andsomeguidedogsretireearlierifthey’rehavingtroublewiththework.4、Whatdoyouthinkisthetypicaljobofaguidedog?A．Helpthepolicementosearchforthemurderer.B．Helptheblindorweak-sightedpeoplegetaround.C．Helpthedoctortosavetheinjuredpeople.D．Helptheownertowatchtheirhouse.