上海外国语大学附属上外高中新高考仿真卷英语试题及答案解析

上海外国语大学附属上外高中新高考仿真卷英语试题注意事项:1．答题前，考生先将自己的姓名、准考证号码填写清楚，将条形码准确粘贴在条形码区域内。2．答题时请按要求用笔。3．请按照题号顺序在答题卡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、试卷上答题无效。4．作图可先使用铅笔画出，确定后必须用黑色字迹的签字笔描黑。5．保持卡面清洁，不要折暴、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．Housepricesareusuallymuchhigher________therearesubwaystationsaround.A．where B．unless C．while D．though2．______studentsshouldbegivenmorefreetimeissuggestedbymanyexpertsandwelcomedbykidsinschool．A．WhatB．WhyC．WhetherD．That3．Ireallydon’tknowhowtoexpressmythankstoMr.Li,myhighschoolEnglishteacher,withoutwhosehelpI__________tocollegethatyear.A．weren’ttogo B．hadn’tbeenabletogoC．couldn’tgo D．couldn’thavegone4．BathingcrabsareraisedintheYangchengLakeforatleastsixmonths，whichiswhatmakesthemauthenticand_____ahighprice．A．estimate B．fetchC．occupy D．predict5．—Ineedtoadvertiseforaroommatefornextterm.—________？Maryisinterested.A．Whybother B．WhynotC．Sowhat D．Whatfor6．—Excuseme,doyoumindifIopenthewindow?—Well,ifyou__________.Icanputonmoreclothes.A．can B．mayC．must D．shall7．Notuntilhewentabroadtofurtherhisstudy_______theimportanceofEnglish.A．hashefoundB．hehasfoundC．didhefindD．hehadfound8．SheisstubborninresistinghisenquiriesabouttheMoonstone_____thedegreethatshemakesitseemasifshedoesnotwantthemystery______.A．on;tosolve B．with;solvingC．for;beingsolved D．to;tobesolved9．Asisknown,itwasHuJintao,_______presidentofournation,whogave________lectureattheceremonyofNationalDayA．the;a B．the;/ C．a;the D．/;a10．Theweatherturnedouttobefine.I_____________thetroubletocarrytheumbrellawithme.A．shouldhavetaken B．musthavetakenC．couldn'thavetaken D．needn'thavetaken11．Wearesotired.______wecouldtakethedayofftomorrow!A．OnlyifB．WhatifC．IfonlyD．Ifso12．Everybodywastouched______wordsaftertheyheardhermovingstory.A．without B．beyondC．against D．despite13．_______theweather,thesportsmeetwillbeheldontime.A．Insteadof B．Inrelationto C．Regardlessof D．Infavorof14．Quantitiesofsoil________inthearea,resultingintheincreasingnumberofnaturaldisasters.A．iswashedawayB．havewashedawayC．havewashedawayD．havebeenwashedaway15．----Whichofthesedigitalcamerasdoyoulikebest?----______.Theyarebothexpensiveandoflittleuse.A．None B．Neither C．Nothing D．Noone16．HelensaidthatshewouldbringmeJustinBieber'slatestCDthenextday,butshe.A．wouldn't B．didn'tC．hadn't D．hasn't17．—WhatdoyouthinkofBetty?—Lovely，thoughshe______benaughtysometimes．A．should B．mustC．can D．need18．Duringthe2008financialcrisis，theFrenchpresidentNicolasSarkozyagreedtoprovidemillionsofemergencyfundaidtohelpunemployment．A．release B．resemble C．relieve D．recommend19．—-Mum,lookatmyshoes.Ineedanewpair.—-.Iboughtthemforyouonlyaweekago!A．YoubetB．YousaiditC．Youdon'tsayD．Younameit20．Hissuggestion_______toseethefilmAvatarinterestedeveryoneofus.A．thatwego B．whichweshouldgo C．thatwewouldgo D．weshouldgo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）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．testsshowthatlaughtercanproducebeneficialeffectsonhumanbody22．（8分）Chinesescientistsrecentlyhaveproducedtwomonkeyswiththesamegene，ZhongZhongandHuaHua，usingthesametechniquethatgaveusDollythesheep.Thesemonkeysarenotactuallythefirstprimates（灵长目动物）tobecloned.AnotheronenamedTetrawasproducedinthelate1990sbyembryosplitting（分裂），thedivisionofanearly-stageembryointotwoorfourseparatecellstomakeclones.Bycontrast，ZhongZhongandHuaHuawereeachmadebyreplacinganeggcellnucleus（细胞核）withDNAfromadifferentbodycell.ThisDollymethod，knownassomaticcellnucleartransfer（SCNT），cancreatemoreclonesandallowsresearchersgreatercontrolovertheeditstheymaketotheDNA．Successcamefromadoptingseveralnewtechniques.Theseincludedanewtypeofmicroscopetobetterviewthecellsduringhandlingorusingseveralmaterialsthatencouragecellreprogramming，whichhadn'tbeentriedbeforeonprimates.Still，theresearchprocessproveddifficult,andmanyattemptsbytheteamfailed.Justtwohealthybabymonkeyswerebornfrommorethan60testedmothers.Thisledtomanyresearchers'pouringwaterontheideathattheteam'sresultsbringscientistsclosertocloninghumans.Theythoughtthisworkisnotasteppingstonetoestablishingmethodsforobtaininglivebornhumanclones.Instead,thisclearlyremainsaveryfoolishthingtoattempt,itwouldbefartooinefficient,fartoounsafe,anditisalsopointless.Butthescientistsinvolvedemphasizedthatthisisnottheirgoal.Thereisnownobarriertocloningprimatespecies,thuscloninghumansisclosertoreality.However,theirresearchpurposeisentirelytoproducenon-humanprimatemodelsforhumandiseases;theyabsolutelyhavenointention,andsocietywillnotpermitthisworktobeextendedtohumans.Despitelimitations,theytreatthisbreakthroughasanovelmodelsystemforscientistsstudyinghumanbiologyanddiseases.1、WhatdoweknowaboutthetechnologycalledSCNT?A．Itcreatedthefirsttwoprimates.B．ItmaycontributetoeditingtheDNA．C．Itcandivideanearly-stageembryointoseveralcells.D．Itproducedtwoclonedmonkeyswithdifferentgenes.2、Whatdoestheauthormeanby“pouringwaterontheidea”inParagraph2?A．Keepingahottopicofit.B．Havingalowopinionofit.C．Attachingnoimportancetoit.D．Addingsupportiveevidencetoit.3、Whatisthescientists'purposeofcloningthesemonkeys?A．Tohelpwiththestudyofhumandiseases.B．Toserveasasteppingstonetonewtechniques.C．Topreparefortheirresearchonhumancloning.D．Toraisemoneyforstudyinghumanbiology.4、Whatcanweinferfromthepassage？A．Newtechniquesseemtobepointless.B．Cloninghumansisalreadyonitsway.C．Societywon'tagreetocloneanothermonkey.D．Thesuccessrateofcloningamonkeyisnothigh.23．（8分）InternationalExhibitionforAnimalHusbandry（畜牧业）&ProcessingofGrain,Fruits&VegetablesDate:11-13August,2015Place:London,EnglandRegistrationDeadline:30June,2015ExhibitionandMarketThemarketTheBritishagriculturalmarketprovidesverygoodchancesforinternationalcompaniessincethedemandformoderntechnologiesiscontinuouslyrising.Andtheexistingmarketcan'tsatisfythelocaldevelopment.Greatpotentialistobefoundalsoinlivestock（家畜）andlivestockfarming.Inparticular,investmentincattlefarmingandpighusbandryistobefurtherincreased.TheexhibitionItisthemostimportantplatformforanimalhusbandryandagriculturaltechnologyinBritain.Lastyear,537companiesfrom14countriesshowedtheiradvancedsolutionsforlivestock,animalhusbandryandagriculturaltechnologytoover13,540businessprofessionals.OrganizerLondonInternationalContractFairandIFWexpoHeidelbergGmbHHeidelberg,GermanyPhone:+49-(0)6221-1357-0Fax:+49-(0)6221-1357-23E-mailinfo@Openingtime11August-12August,2015,09:00-16:3013,August,2015,09:00-15:30MainIndustriesAgriculturalTechnology,CerealGrainTechnology,AnimalHusbandryMainTopicsEquipmentforsoilworkingandseed-bedpreparation●Harvestingequipment●Plantbreeding（繁殖）●Plantprotection●Grainprocessing●Storageandtransport●Animalbreeding●Animalhusbandry●Livestockhousing●FeedindustryEntrancefee2,000pounds/perstand/perday1、ThetexttellsusthefollowinginformationEXCEPI______.A．thetimeoftheexhibitionB．thetopicsoftheexhibitionC．therulesoftheexhibitionD．thesiteoftheexhibition2、Whichofthefollowingstatementsistrue?A．Londonhasthelargestagriculturalmarketintheworld.B．InternationalcompaniescanfindmorebusinessopportunitiesintheBritishagriculturalmarket.C．Almostallcountriesintheworldtakepartintheexhibition.D．Theexhibitioncoversallkindsoflivinggoods.3、Ifyouwanttotakepartintheexhibition,you______.A．cancontacttheorganizerinthreewaysB．mustregisterbetween30Juneand13August,2015C．havetobuysomeequipmentondisplayduringtheexhibitionD．neednotpaytheorganizeroftheexhibition24．（8分）NowadayswiththepopularityoftheInternetmanypeoplecomplainofthedifficultyoffindingtheir“true”identityinamongstalltheconflictingmessagesanddemandsoftheworldaroundthem.Thisidea,that,somewheredeepdown,isthe“real”us,isasoldasphilosophyitself.Itinvolvesthingslikeourvalues,oursenseofpurpose,thebeliefsthatmakeuswhoweare.Weoftenaskthequestion,“Areyoulivingthelifeyouwanttobeliving,orthelifeotherpeoplewantyoutolive?”TheInternethasbroughttheopinionsofotherstoourownlivesasneverbefore,anditisthreateningourabilitytounderstandwhowereallyare.Todiscoverourtrueselves,maybeit’stimetodisconnect.Notforever,thatwouldbethrowingthebabyoutwiththebathwater,butforsignificantperiodsofourdays,weeks,ormonths.Because,withdisconnectioncomesquietandwithquietcomestheabilitytoreflect.InresearchingmyWorldServicedocumentaryDefaultWorld,Ispoketoalotofpeopleabouttheirexperienceoftechnology.Manysaidtheyweretryingtospendlesstimeonline,takingabreakfromFacebook,connectingonlywhentheyneededto.Andtheyspokewithpleasureofrediscoveringthephysicalworldaroundthemandtheworldofhuman-to-humancommunication.Ithinkthisisencouraging.WearestilllearninghowtobeontheInternet,whateffectthishugenetworkofcomputers---anetworkwehavebuiltourselves---hasonoursenseofself.Weareatthemoment,asThoreausaidofpeopleintheindustrialrevolution,“toolsofourtools”.DisconnectinggivesusachancetoturnthetablestoseetheInternetnotassomethingthatoverwhelms（使不知所措）usbutasatool,whichweusewhenweneedit.Onlythencanwereallyunderstandwhoweareandwhatwecangivetheworld.Andthat,deepdown,istherealtootofouridentity.1、Whatmakesitdifficultforusfindthe“real”us?A．Thefastpaceofourmodemlife.B．Thefloodofonlinemessages.C．Losingoursenseofpurpose.D．Lackingvaluesandbeliefs.2、Whatshouldwedofirsttodiscoverourtrueselvesaccordingtothetext?A．Spendtimestudyingphilosophy.B．Rediscoverthephysicalworld.C．TakeabreakfromtheInternet.D．Buildagoodsocialrelationship.3、Whatdoestheunderlinedphrase“turnthetables”inthelastparagraphprobablymean?A．Towinavictory.B．Tofollowatrend.C．Tochangethesituation.D．Tosolvetheproblem.4、Inwhichpartofanewspapercanwereadthetext?A．Lifestyle.B．Nature.C．Science.D．Health.25．（10分）ItwasrushhouronthemorningofJune1intheWestTexascityofSanAngelo.HeatherSantellano,36,wasdrivingherwhite2012MazdaonHouston、HarteFrontageRoadwithhernine-year-olddaughterandten-year-oldsonintheback.Suddenly,aredpickuptruckcutthemoff.Santellanoturnedthewheelhardtotheright,sendingtheMazdaskiddingofftheroadanddownanembankment(堤)thatendedinadrop-offafterabout50feet.Ifthecardidn'tstop,itwouldgoairborneandplungeontotheroadsome20feetbelow.Thenabitofluck:Asthecarracedtowardtheedge,itsundercarriagegotstuckonthecementlipoftheembankmentledge,stoppingitcold.Theoccupants,however,werefarfromsafe.Thecarhadcometorestontopofaretainingwall,literallyteetering(摇摇欲坠)ontheedgeofdisaster.Onesuddenmovebyanyoneinsidecouldsenditover.JacobRodriguezwatchedthesceneunfoldfromthe'T'ruckRepairPlantwhereheworks.Thenheandfourothermenrantothecar.Theyleapedontothetrunktobalancetheweightastheterrifiedkidsinthebackseatwatched.Meanwhile,JulioVasquezandhisnephew,MarcoVasquez,weredrivingtotheirjabsatnearbyPremierAutomotive.JuliojumpedoutofthecartohelpwhileMarcowenttotheshop,grabbedaheavy-dutystrap(皮带)，andreturnedtotheswingingcar.HefastenedtheMazdatoanP-350truckthathadbeendrivenoverbyoneoftheotherrescuers.Withthecarsecured,thegroupcarefullyopenedthebackdoorsandhelpedthechildrenout.Buttheirdepartureshiftedthecar'sweight,causingittoleanforward.Themen,stillon-thetrunk,askedSantellanotojumpintothebackseattorebalancetheweight.Shedidandtheninchedoutthebackdoor.Finally,themencarefullygotoffthetrunk.Everyonewassafe.1、WhatdoweknowaboutHeatherSantellano?A．Shewasacarelessdriver. B．Shedrovehertwinstoschool.C．Sheranintoapickuptruck. D．Shemadeasharpturntoavoidthetruck.2、Whatdoestheauthorintendtodoinparagraph2?A．Stressthecomingofgoodfortune. B．Describethecar'sdangeroussituation.C．Addsomebackgroundinformation. D．Explainwhypeoplecametotherescue.3、Whatisthemostcriticalintherescueprocess?A．Balance. B．Cooperation.C．Calmness. D．Gravity.4、Whichofthefollowingstatementsisconsistentwiththethemeofthepassage?A．Persistencewillpayoff.. B．Oneintrouble,alltohelp.、C．Manyhandsmakelightwork. D．Lovemakestheworldgoround.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）WhileIwaswaitingtoenteruniversity,Isawinanewspaperateachingjob1ataschoolabouttenmilesfromwhereIlived.Beingveryshortof2andwantingtodosomething3Iapplied(申请),4asIdidso,thatwithoutadegreeandwithno5ofteachingmychancesofgettingthejobwere6.However,threedayslater,aletterarrived,callingmetoCroydonforameetingwiththeheadmaster.Itprovedtobea7journey:atraintoCroydonstation,aten-minutebusrideandthenawalkofat8aquarterofamile.AsaresultIarrivedthere,feelingtoohottobenervous.Itwasclearlythe9himselfthat10thedoor.Hewasshortandround."Theschool,"hesaid,"ismadeupofone11oftwenty-fourboysbetweensevenandthirteen."Ishouldhavetoteachallthesubjectsexceptart,12hetaughthimself.Ishouldhavetodividetheclassinto13groupsandteachtheminturnatthreedifferent14,andIwas15atthethoughtofteachingmaths—asubjectatwhichIwasn’tvery16atschool.Worseperhapswastheideaof17toteachthemonSaturdayafternoonbecausemostofmyfriendswouldbe18themselvesatthattime.BeforeIhadtimetoaskaboutmysalary,hegotuptohis19."Now"hesaid,you’dbettermeetmywife.Sheistheonewhoreally20thisschool.1、A．kept B．lost C．wanted D．found2、A．money B．time C．students D．clothes3、A．harmful B．useful C．funny D．secret4、A．expecting B．whispering C．fearing D．considering5、A．material B．experience C．means D．books6、A．nice B．great C．slight D．helpful7、A．difficult B．pleasant C．comfortable D．short8、A．most B．least C．last D．first9、A．teacher B．door-keeper C．student D．headmaster10、A．shut B．opened C．repaired D．kicked11、A．group B．class C．dozen D．score12、A．which B．that C．what D．this13、A．one B．two C．three D．four14、A．classes B．subjects C．levels D．places15、A．excited B．angry C．glad D．disappointed16、A．poor B．interested C．weak D．good17、A．forcing B．having C．forgetting D．managing18、A．watching B．studying C．enjoying D．helping19、A．letter B．feet C．hands D．wife20、A．runs B．starts C．observes D．likes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）Shelookslikeanyotherschoolgirl,fresh-facedandfulloflife.SarahThomasislookingforwardtothechallengeofhernewA-levelcourse.Butunlikeherschoolfriends,16-year-oldSarahisnotspendinghalf-termrest.Instead,sheisearning£6500adayas1．modelinNewYork.Sarah2．(tell)thatshecouldbeBritain’snewsupermodel3．(earn)amilliondollarsinthenextyear.HerfatherPeter,44,wantshertogiveupschooltomodelfull-time.ButSarah,4．hastakenpartinshowsalongwithtopmodels,wantstoprovethatshehasbrainsaswellasbeauty.Sheisdeterminedtocarryonwithher5．(educate).Shehasturneddownseveral6．(invite)tostaratshowsinordertoconcentrateonherstudies.Afterschoolsheplanstotakeayearofftomodelfull-timebeforegoingtouniversitytogetadegree7．engineeringorarchitecture.Sarahsays,“MydadthinksIshouldtaketheoffernow.8．atthemoment,schoolcomesfirst.Idon’twanttogettoo9．(absorb)inmodeling.Itiscertainlyfunthatthelifestyleisalittle10．(real).Idon’twanttohavenothingelsetofallbackonwhenIcan’tmodelanymore.”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作文。文中共有10处语言错误，每句中最多有两处。每处错误仅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(∧),并在其下面写出该加的词。删除：把多余的词用斜线(\)划掉。修改:在错的词下画一横线，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。Travellingabroad,youshouldfollowthecustomsofthecountryyouwerevisiting、Whenyouareinvited,thatisgoodmannerstorefuseoraccepttheinvitationeitherbywritingandbytelephoning、Ifyougotoaparty,itispolitetoarriveonthetime、Itisgoodmannerstoshakehandswithourhost、Youcantakeapresentifyoulike,possibleabottleofwine,aboxofchocolatesoranyflowers、However,itisnotbadmannerstotakenothing、Itisnotpolitestaytoolateaftertheotherguestshavegone、Also,ithassuggestedtowriteortelephoneadayortwolatetothankyourhost、第二节书面表达（满分25分）29．（25分）假定你是李华，你正在为高考紧张复习，但最近你遇到了一些问题导致无法集中精力学习。于是你给你校的外籍心理老师Kate写一封求助信寻求帮助。要点如下：1.自我介绍。2.求助内容：作业多，没有时间运动；压力大，难以入睡……3.希望得到Kate的帮助。注意：1.词数100左右。2.可以适当增加细节，以使行文连贯。DearKate,__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua

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、D4、B5、A6、C7、C8、D9、A10、D11、C12、B13、C14、D15、A16、B17、C18、C19、C20、A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、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.Guidedogsworkvery