如皋八校联考2024年英语八年级第二学期期末复习检测模拟试题含答案

如皋八校联考2024年英语八年级第二学期期末复习检测模拟试题满分120分，时间90分钟一、完形填空(10分)1、Therearemanykindsofpollutionaroundus,____1____airpollution,soilpollution,noisepollutionandlightpollution.Theyarebad____2____ourhealthinmanyways.Burninggas,oilandcoalcreatesairpollution.Itcancausesoreeyesand____3____problems.Withtheincreaseofpollutionandthedevelopmentofindustry,litteriseverywhere.Itmakesourenvironmentdirty.Peopleputlotsofrubbishintheland.Farmersusetoomany____4____inthefields.Theydestroythesoil.Sosoilpollutionhasbecomeserious.Noisepollutioncanmakepeople____5____.Forexample,peoplemaylosetheirhearingiftheyworkina____6____placeforalongtime.Toomuchnoisecancausehighbloodpressure____7____.Workingforalongtimeinstrong,changeablelight____8____causesomekindsofillnesses.Itmakespeoplefeel____9____andisespeciallybadfortheeyes.With____10____pollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.1.A.suchas B.forexample C.aswellas D.becauseof2.A.to B.in C.for D.of3.A.breath B.breathe C.breathed D.breathing4.A.chemical B.chemicals C.chemist D.chemistry5.A.blind B.lame C.deaf D.healthy6.A.noise B.noisy C.quiet D.quietly7.A.aswell B.aswellas C.also D.either8.A.must B.need C.should D.may9.A.comfortable B.possibly C.terrible D.terribly10.A.little B.less C.few D.fewer二、短文填空（10分）2、阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。Hello,everyone!Welcometotoday’sTravelAround!DoyouknowwhereHainanIslandis?Wouldyouliketoknowsomethingaboutit?Nowletmetellyou.ItliesinthesouthofChina.It’s____1____secondlargestislandinChina.Ithasapopulationofover9,000,000.There,youcouldeithergotovisittheflowermarkets(市场)____2____enjoythedeliciousseafood.There,youcouldfindmanybeautifulbeaches.Peoplelovewalkingslowlyalongtheseasideorswimminginthesea.Itswonderfulplacesofinterestmakethousands____3____touristscometoHainaneveryday.Ontheisland,peoplecanenjoybrightsunshine,freshairandtastedeliciousfood.Theycanenjoythebeautyofnature.Andthey____4____alsoliveapeacefullifethere.Thanksforyourwatching!We____5____lookingforwardtoyourcoming.3、阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。Ellenusedtothinkshewasn’tgoodenough.What’smore,sheoftenfeltshewasuseless.Ellenwantedtobethebestinherclass.Sheworkedhardbuthergrades___1___justaverage.Whenshetriedtohelpherclassmates,sheendedupcausingmoreproblems.Oneday,Ellenhadtogiveaspeechinclass.Shetriedherbesttoprepare___2___it.Onthatday,Ellengaveherspeechnervously.Tohersurprise,whenshefinished,everyonecheered.Theteacherevencongratulatedheronagoodjob.Ellendidn’tunderstand.Herspeechwasn’tperfectandshesaid___3___shemadesomemistakes.Afterhearingherwords,herteacherpointedouteverythinggreataboutherspeech.ItmadeEllenseeherselfin___4___differentway.Before,shethoughtherclassmatesdidn’tlikeher,buttheyactuallydid.EllenalsolearneditisOK___5___makemistakesbecausenobodyisperfect.Shefeltconfidentaboutherselfafterthat.What’smore,shestoppedlookingdownonherself.4、Nowadays,manypeoplecreateandshareshortvideosonpopularvideoapps.Thesevideosbecomemoreandmorec____1____andpopularindailylife.Teenagersalsoenjoye____2____theirideasthroughthesevideos.Forexample,a12﹣year﹣oldusernamedChenYuputonGuangdongoperasinhisvideosandpostedthemontheI____3____.Theywanttomakemorepeopleknowaboutthistraditionalskills.Inthevideos,heandhisfriendswereexcellenta____4____.Thishelpsthemwinmanyfans.Althoughshortvideosbringpeoplemuchfun,theycanalsoc____5____trouble,too.Ittakesstudentstoomuchtimetowatchthem,sosomevideoappswilllocktheappifitisusedforovertwohoursaday.5、阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。Electricbicyclesareveryeasyforpeopletoride,especiallyinrushhours.Sofar,electricbicycles___1___becomepopularinpeople’sdailylife.Electricbicyclescanrunmuchfasterthanbikesandtheycanhelpsavetime.They____2____firstmadeinthe1980sinChina,buttheywerenotpopularatthattime.Today,thankstotheimprovementonthequality(质量),electricbicyclessellmuchbetter.___3___areover100electricbicyclemakersinChina.NowChinaisoneof___4___largestmakersofelectricbicyclesintheworld,andlotsofpeopleridethemtowork,tosendchildrentoschools,togotothesupermarketsandsoon.However,electricbicyclesalsohavedisadvantages.___5___isnotsafeenoughforpeopletoridethem.Peoplemustbecarefulwhenridingelectricbicycles.Afterall,keepingsafeisthemostimportantthing.三、阅读理解（40分）6、Ihavegreatinterestinstamps(邮票).Ihavestartedcollectingmanykindsofstampssince2012.Ihavecollectedover300differentstamps.They’rereallyamazing.—ZhaoMin,ChinaThistoybearismyonlytoy.Ihavekeptitforthreeyears.Avolunteercametoourvillageandshegaveittome.Thetoybearhasbecomemybestfriend.Heknowsallofmysecrets(秘密).—Julia,theUSLook!Ihaveatoygun.MyunclegavemethefirsttoygunwhenIwasfive.Ihavegottwelvegunsfromhimsofar.Beingapolicemanlikehimisalwaysmydream.Weoftenplaytogetherontheweekend.It’sreallyfun.—Frank,EnglandIwasbornonabigfarm.Therearealotofanimals.Theyaremyfriends.Feedingthemisoneofmyfavoritehobbies.NowI’moldenoughtohelpmyfatherworkonthefarm.—Lisa,Canada1.HowlonghasZhaoMincollecteddifferentkindsofstamps?A.Foraboutsixmonths. B.Foraboutthreeyears.C.Forabouttenyears. D.Forfiveyears.2.What’sFrank’sdream?A.Beingaworker. B.Beingateacher. C.Beinganactor. D.Beingapoliceman.3.WhichofthefollowingisNOTtrue?A.ZhaoMinhascollectedover300differentstamps.B.Julia’sfriendgaveheratoybear.C.FeedinganimalsisoneofLisa’sfavoritehobbies.D.Frankoftenplayswithhisuncleontheweekend.四、补全对话（10分）7、根据对话内容，选择恰当的句子填入对话相应的空白处，使对话完整合乎情景（有两个多余选项）。A:Hi,Kate.Comein,please.B:Thankyou.Wow,youhavesomanyplantsinyourhouse.A:Yes,Ilikethem.B:____1____A:BecauseIthinktheycanmakemyhousemorebeautiful.B:Well,it’snoteasytogrowthem.A:Yes,butinteresting.____2____B:Yes,Ido._____3_____A:Why?B:Becausetheycanplaywithme.A:_____4_____Whatanimalsdoyoukeep?B:Twodogs.A:Dogsarefriendlyanimals._____5_____B:Everymorningandafternoon,Itakethemoutforawalkandplaywiththem.A.Thatmustbeinteresting.B.ButIlikeanimalsbetter.C.Whatfooddoyoufeedthem?D.Whydoyoulikethem?E.Whendoyouplaywiththem?F.Doyoulikeplants?G.Goodidea!五、语法填空（10分）8、阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从1～10各题所给的A、B、C和D项中选出最佳选项。Everychildlikescartoons,andsodoI.WhenIwasyoung,____1____cartoonsonSaturdaymorningwasthemostexcitingthing.Iusedtowakeupbeforethecartoonsstartedat7:30.Atthattime,nomatterwhatwasonTVwouldmakemeimpatient.Butsoon,IwouldbecheeredupbymyfavouriteMightyMouse,BugsBunnyandsoon.Thehappinessusuallylastedforabout3hourstilllunchtime.Andamongthem,IlikedAstroBoy（阿童木）____2____.AstroBoyisafamousJapanesecartooncharacter____3____alonghistory.He____4____asacomicbookcharacterin1951andwasthefirstcartooncharacteronJapanesetelevisionin1963.AstroBoy’sstorybeganwhenDr.Boyton’ssonTobydiedin____5____caraccident.Dr.Boyton,ascientist,createdAstroBoy____6____hisson.WhenAstroBoywasfirstbuilt,Dr.Boytonwantedtokeepitasecret.Butthesecretwasfinallyout.PeoplegottoknowAstroBoyandhebecamepopularsoon.____7____AstroBoyisarobot,hehasmanyamazingpowers.Hiseyescanturnintopowerfulsearchlightsandhisearscanmakehishearingstrongerbyonethousandtimes.Thelightfromhisfingersis____8____todestroyeverything.Andhislegscanturnintorockets,sohecanflyhigherand____9____.Likeasuperman,hesavespeopleintroubleandfightsagainstbadmenbravely.Hisstorieshavecontinuedformorethan50yearsincomicbooksandontelevision.Thiscartoonisreallyagreat____10____.1.A.watch B.watching C.watched D.watches2.A.good B.well C.better D.best3.A.in B.on C.with D.about4.A.creates B.created C.wascreated D.hascreated5.A.a B.an C.the D./6.A.remember B.remembered C.toremember D.remembering7.A.Although B.If C.Since D.So8.A.enoughpowerful B.powerfulenough C.enoughpower D.powerenough9.A.quick B.quickly C.morequickly D.mostquickly10.A.success B.succeed C.successful D.successfully六、阅读表达（10分）9、阅读下列短文，根据短文中的信息GiantpandaYaYareturnedtoherhomeinBeijingZooearlyonMondayafterspending20yearsintheUnitedStatesaccordingtotheNationalForestryandGrasslandAdministration.YaYawillnotbeonshowtothepublicforthetimebeingasthe23-year-oldpandaneedstorestandadapt(适应)tohernewenvironment.Thezoowillperiodicallyreleaseupdates(定期发布信息)onYaYaonitsofficialWeiboaccount.OnApril27,YaYaarrivedinShanghaiandwasquarantined(隔离)foramonthbeforemovingtoBeijing,theadministrationsaid.Duringthequarantineperiodexperiencedkeepersandveterinarians(兽医)fromBeijingZooprovidedaround-theclockcareforYaYa,becauseofheroldageandchangedlivingenvironment.ShanghaiZooofferedsupportandmakesurehersafetyandhealth,theadministrationsaid.BeijingZoohaspreparedaspecialfeedingplaceforYaYaaswellasfeedingmeasures,careandmedicalsupport.OnSundayafternoon,BeijingZooreceivedaspecialdeliveryoffreshbamboofromChengdu,Sichuanprovince.Thebamboowasairliftedtomakesurethateachpandaatthezoohasfreshfood,BeijingTelevisionreported.BeijingZootoldthepressthatitwilldependonherhealthcheckresultswhetherandwhenYaYawillbeshowntothepublic.1.HowoldwasYaYawhenshewassenttotheUS?_________________________________________2.HowdothepublicgetinformationaboutYaYa?_________________________________________3.InwhichmonthdidYaYareturntoBeijingZoo?_________________________________________4.WhatdidBeijingZooprepareforYaYa?_________________________________________5.WheredidthebambooYaYaatecomefromatBeijingZoo?_________________________________________七、书面表达（20分）假如你是李华，寒假即将到来，你打算度过一个怎么样的假期呢？请你根据提示，以“AMeaningfulVacation(一个有意义的假期)”为题，写一篇小短文。提示：1.学习方面：Whatwillyoudoaboutstudy?2.健康方面：Whataboutyourhealth?Willyouexercise?3.生活方面：Whatwillyouhelpdoathome?要求：1.必须包括所有提示内容，可适当发挥；2.文中不得出现真实的人名及相关信息；3.字数：60~80(开头已给出，不计入总词数)。MeaningfulVacationThewintervacationiscomingsoon._________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案一、完形填空(10分)1、1.A2.C3.D4.B5.C6.B7.A8.D9.C10.B【解析】【导语】本文是一篇说明文，主要介绍了环境污染和环境保护相关的知识。【1题详解】句意：我们周围有很多污染，例如空气污染、土壤污染、噪音污染和光污染。suchas例如，后跟名词或短语；forexample例如，后跟句子；aswellas也；becauseof因为。根据“airpollution,soilpollution,noisepollutionandlightpollution”可知，此处是在举例，且是名词短语，故选A。【2题详解】句意：他们在许多方面对我们的健康有害。to向；in在……里；for对；of……的。根据前文可知，我们周围有很多污染，这些污染应是对我们有害。bebadfor表示“对……有害”，故选C。【3题详解】句意：它会引起眼睛疼痛和呼吸问题。breath气息，名词；breathe呼吸，动词；breathed呼吸，过去式/过去分词；breathing呼吸，现在分词/动名词。空处作定语修饰名词problems，所以用名词，此处指“呼吸问题”，所以用动名词breathing作定语。故选D。【4题详解】句意：农民在田地里使用了太多的化学物质。chemical化学品，单数；chemicals化学物质，复数；chemist化学家，单数；chemistry化学。根据“Theydestroythesoil.Sosoilpollutionhasbecomeserious.”语境可知，农民是使用了化学物质导致了污染，toomany后跟名词复数，故选B。【5题详解】句意：噪音污染会使人失聪。blind瞎的；lame瘸的；deaf聋的；healthy健康的。根据“.Forexample,peoplemaylosetheirhearing”可知，噪音污染可能使人失聪，故选C。【6题详解】句意：例如，如果人们在一个嘈杂的地方工作了很长一段时间，他们可能失去他们的听力。noise噪音；noisy吵闹的；quiet安静的，形容词；quietly安静地，副词。根据“Noisepollution...peoplemaylosetheirhearing”可知，这里是介绍噪音污染的危害，所以应是在嘈杂的环境中工作可能会失聪，空处应填形容词作定语，故选B。【7题详解】句意：太高的噪音也会导致高血压。aswell也，常位于句末；aswellas以及；also也，放在句中；either也，用于否定句，放在句末。根据“Toomuchnoisecancausehighbloodpressure”可知，此处是肯定句，位于句末，所以用aswell。故选A。【8题详解】句意：长时间在强光、易变的光线下工作可能会引起某些疾病。must必须；need需要；should应该；may可能。根据“Workingforalongtimeinstrong,changeablelight”可知，长时间在强光、易变的光线下工作是可能会引起疾病，此处表示推测，故选D。【9题详解】句意：它让人感觉很糟糕，尤其对眼睛不好。comfortable舒服的，形容词；possibly可能地，副词；terrible糟糕的，形容词；terribly糟糕地，副词。根据“feel”可知，feel是感官系动词，后跟形容词；结合“isespeciallybadfortheeyes.”可知，对眼睛不好，所以此处应表示糟糕的，故选C。【10题详解】句意：有了更少的污染，我们的地球将变得更绿色，我们的健康将更好。little几乎没有，修饰不可数名词；less更少，修饰不可数名词；few几乎没有，修饰可数名词；fewer更少，修饰可数名词。根据“pollution,ourplanetwillbecomegreenerandourhealthwillbebetter.”可知，pollution是不可数名词；因后面表达环境会变更好，所以污染则要更少，故选B。二、短文填空（10分）2、1.the2.or3.of4.can5.are【解析】【导语】本文主要介绍了海南岛的情况。【1题详解】句意：它是中国的第二大岛。the+序数词+形容词最高级，表示“第几最”，故填the。【2题详解】句意：在那里，你可以去参观花市，也可以享受美味的海鲜。either…or“要么……要么”，故填or。【3题详解】句意：海南的名胜古迹使成千上万的游客每天来海南旅游。thousandsof“数以千计的”，表示不确定的数量，故填of。【4题详解】句意：他们也可以在那里过着平静的生活。根据“Theycanenjoythebeautyofnature”及“Andthey…alsoliveapeacefullifethere.”可知，可以过着平静的生活，故填can。【5题详解】句意：我们期待着你的到来。根据looking可知，此空应填be与其构成现在进行时结构，根据We可知，be动词用are，故填are。3、1.were2.for3.that4.a5.to【解析】【导语】本文主要讲述了Ellen曾经认为自己不够好，成绩一般。后来认识到人无完人，改变自己的故事。【1题详解】句意：她学习很努力，但成绩一般。根据“Sheworkedhard”可知，时态为一般过去时；此处缺少be动词，且主语hergrades是复数，应用were。故填were。【2题详解】句意：她尽了最大的努力准备。preparefor表示“为……准备”。故填for。【3题详解】句意：她的演讲并不完美，她说她犯了一些错误。根据空前动词said和空后句子“shemadesomemistakes.”可知，此处为that引导的宾语从句。故填that。【4题详解】句意：这让Ellen以不同的方式看待自己。空后way为名词单数，且different是以辅音音素开头，inadifferentway表示“以不同的方式”。故填a。【5题详解】句意：Ellen还学会了犯错没关系，因为人无完人。“itis+形容词+todosth.”意为“做某事……”。故填to。4、1.(c)reative2.(e)xpressing3.(I)nternet4.(a)ctors5.(c)ause【解析】【导语】本文是一篇议论文。文章主要讲述了如今很多人在流行的视频应用上制作和分享短视频，并分析了其利弊。【1题详解】句意：这些视频在日常生活中变得越来越有创意和受欢迎。此处应填形容词与popular“受欢迎的”并列，根据“manypeoplecreateandshareshortvideosonpopularvideoapps”及首字母可知，人们创作视频，所以应会变得有创意，creative“有创意的”符合语境，故填(c)reative。【2题详解】句意：青少年也喜欢通过这些视频表达自己的想法。根据“theirideasthroughthesevideos”及首字母可知应是通过视频表达想法，express“表达”，enjoydoingsth“喜欢做某事”，故填(e)xpressing。【3题详解】句意：例如，一个名叫陈宇的12岁用户在他的视频中表演粤剧并将其发布在互联网上。根据“inhisvideosandpostedthemonthe...”及首字母可知应是在网上发布视频，ontheInternet“在网上”。故填(I)nternet。【4题详解】句意：在视频中，他和他的朋友们是优秀的演员。根据“putonGuangdongoperas”及首字母提示可知他们是表演粤剧的演员，actor“演员”，由were可知，此处应填名词的复数形式，故填(a)ctors。【5题详解】句意：虽然短视频给人们带来了很多乐趣，但是它们也能造成麻烦。根据“Althoughshortvideosbringpeoplemuchfun,theycanalso...trouble”可知，前后句意是让步关系，所以推断，后半句是介绍缺点，结合首字母可知，此处指引发问题，causetrouble“引发问题”符合语境，can后接动词原形，故填(c)ause。5、1.have2.were3.There4.the5.It【解析】【导语】本文是一篇说明文。文章主要介绍了电动自行车的优缺点。【1题详解】句意：到目前为止，电动自行车已经在人们的日常生活中流行起来。sofar意为“到目前为止”，是现在完成时的标志词，句子主语为electricbicycles，为复数。故填have。【2题详解】句意：它们最早是在20世纪80年代在中国制造，但那时并不流行。分析句子结构可知，此处为被动语态，结构为“be+动词的过去分词”，根据“inthe1980s”可知，应用一般过去时。故填were。【3题详解】句意：中国有100多家电动自行车制造商。分析句子成分可知，此处为therebe句型，表示“有”。故填There。【4题详解】句意：现在，中国是世界上最大的电动自行车制造商之一。“oneofthe+最高级+名词复数”表示“最……之一”。故填the。【5题详解】句意：人们电动骑自行车不够安全。分析句子结构可知，此处为“Itis+形容词+forsb.todosth.”句型。故填It。三、阅读理解（40分）6、1.C2.D3.B【解析】【导语】本文是一篇说明文，主要介绍了赵敏、朱莉娅、弗兰克和丽莎的个人信息以及兴趣爱好。【1题详解】推理判断题。根据文中“Ihavestartedcollectingmanykindsofstampssince2012.”可推理出，赵敏收集各种邮票大约十年了。故选C。【2题详解】细节理解题。根据文中“Beingapolicemanlikehimisalwaysmydream.”可知，弗兰克的梦想是当一名警察。故选D。【3题详解】推理判断题。根据文中“Avolunteercametoourvillageandshegaveittome.”可推理出，“朱莉娅的朋友给了她一只玩具熊”是错误的。故选B。四、补全对话（10分）7、1.D2.F3.B4.A5.E【解析】【导语】本文主要是两人谈论了自己喜欢植物和动物的原因。【1题详解】根据“BecauseIthinktheycanmakemyhousemorebeautiful”可知此处询问喜欢植物的原因，选项D“你为什么喜欢它们”符合语境。故选D。【2题详解】根据“Yes,Ido”可知此处是以do开头的一般疑问句，选项F“你喜欢植物吗”符合语境。故选F。【3题详解】根据“Becausetheycanplaywithme”可知此处表示自己喜欢动物，选项B“但是我更喜欢动物”符合语境。故选B。【4题详解】根据“Becausetheycanplaywithme”可知动物可以和人一起玩，这很有趣，选项A“那一定很有趣”符合语境。故选A。【5题详解】根据“Everymorningandafternoon”可知此处询问什么时候和它们玩，选项E“你什么时候和它们一起玩”符合语境。故选E。五、语法填空（10分）8、1.B2.D3.C4.C5.A6.C7.C8.B9.C10.A【解析】【导语】本文主要介绍了作者最喜欢的卡通人物——阿童木。【1题详解】句意：当我小的时候，星期六早上看动画片是最令人兴奋的事情。watch看，动词原形；watching动名词；watched动词过去式；watches动词三单。根据空后“was”可知此处是动名词作主语，谓语动词用单数的结构，故选B。【2题详解】句意：其中，我最喜欢阿童木。good好的，形容词；well好，副词；better比较级；best最高级。根据“Andamongthem”可知在这些动画片中，作者最喜欢阿童木。故选D。【3题详解】句意：阿童木是一个有着悠久历史的日本著名卡通人物。in在……里；on在……上；with有；about关于。根据“AstroBoyisafamousJapanesecartooncharacter...alonghistory.”可知阿童木有着悠久的历史，应用介词with，故选C。【4题详解】句意：他于1951年被创作为漫画人物，并于1963年成为日本电视上第一个卡通人物。creates动词三单；created动词过去式；wascreated一般过去时的被动语态；hascreated现在完成时。主语He代指阿童木这个角色，和create之间是被动关系，应用被动语态，故选C。【5题详解】句意：阿童木的故事始于博伊顿博士的儿子托比死于一场车祸。a用于辅音音素前；an用于元音音素前；the表示特指；/不填。此处泛指一场车祸，car以辅音音素开头，应用a。故选A。【6题详解】句意：博伊顿博士是一名科学家，他创造了阿童木来纪念他的儿子。remember动词原形；remembered动词过去式；toremember动词不定式；remembering动名词。结合题干可知，创造了阿童木是为了纪念儿子，应用动词不定式表目的，故选C。【7题详解】句意：由于阿童木是一个机器人，他有许多惊人的能力。Although尽管；If如果；Since因为；So所以。根据“AstroBoyisarobot,hehasmanyamazingpowers”可知因为阿童木是一个机器人，所以他有许多惊人的能力。故选C。【8题详解】句意：他手指发出的光足以摧毁一切。enoughpowerful错误表达；powerfulenough足够强大；enoughpower足够的力量；powerenough错误表达。此空应填形容词作表语，排除C，B选项符合，故选B。【9题详解】句意：他的腿可以变成火箭，所以他可以飞得更高更快。quick形容词；quickly副词；morequickly副词比较级；mostquickly副词最高级。根据“higher”可知此处应用比较级表示并列，故选C。【10题详解】句意：这部卡通片真的很成功。success成功，名词；succeed成功，动词；successful成功的；successfully成功地。great是形容词，后加名词，故选A。六、阅读表达（10分）9、1.Threeyearsold.2.OnofficialWeiboaccountofBeijingZoo.3.InMay.4.Aspecialfeedingplace,feedingmeasures,careandmedicalsupport.5.Chengdu,Sichuanprovince.【解析】【导语】本文是一篇记叙文，主要介绍了丫丫回到北京动物园。【1题详解】根据第一段“afterspending20yearsintheUnitedStates”和第二段“asthe23-year-oldpanda”可知，丫丫在美国待了29年后是23岁，所以