Unit 4 The Wonders of Nature (Period 6)单元复习课同步练2025-2026学年人教版英语八年级下册

Unit4TheWondersofNature(Period6)单元复习课（时间：60分钟分值：80分）一、单项选择。（每小题1分，共5分）1．TheGreatWallisoneofthegreatest________intheworld,attractingmillionsofvisitorseveryyear.A．wondersB．factsC．plansD．dreams2．Thetourpackage________avisittothemuseum,aboattripandtwonights'hotelstay.A．inventsB．includesC．suggestsD．separates3．Theteampractiseddayandnight,andfinallythey________completedthedifficulttask.A．suddenlyB．successfullyC．carefullyD．probably4．Ilikeplayingtennis.Ithinknothingis________thanplayingtennis.A．enjoyableB．moreenjoyableC．lessenjoyableD．mostenjoyable5．Tomisalways________abouthowtherobotworks,soheoftenaskshisteacherforexplanations.A．nervousB．curiousC．worriedD．tired二、完形填空。（每小题1.5分，共15分）Hugo,EmilyandJacklivedwiththeirparentsnexttoalargelake.Theyalllovedsailing.HugoandEmilyweregoodatsailing,butJackneededmore____6____.Therewasanislandinthemiddleofthelake.Thechildrenoftensailedacrossthewatertoit.Whentheygotthere,theywouldhavegreat____7____playinggamesandsingingontheisland.Sometimestheywouldmakeafiretocooksausages.LastSunday,thechildren____8____tohaveapicnicontheisland.Theycarriedthingstheyneededdownthestepstothewater.Thentheyputthemintotheboat.“It'squite____9____today,isn’tit?”saidJack.“Yes,butthewindiscomingfromthenorth.It’sOK,”Emilyreplied.JackwastheyoungestandEmilyliked____10____him.Shedidn'twanthimtoworryaboutanythingorthinkthatastormmightcome.Thechildrentookofftheirshoesandthrewthemintotheboat.Thenthey____11____theboatintothewater.Whenthewatercameuptotheirknees,theyjumpedin.Theystartedsailingtowardstheisland.Suddenlythewindchangeddirectionandgotvery____12____.“Sitontheothersideoftheboatas____13____aspossible!”shoutedHugo.Emilydid,butJackdidn’tandhefellintothewater.Jackwasverygoodatswimmingbutthewavesweregettinghigherevery____14____.Intimeofgreatdanger,abigship____15____frombehindtheisland.TwopeopleontheshipjumpedintothewaterimmediatelyandhelpedJackgetbackintothechildren’ssailingboat.Howluckythechildrenfelt!6．A．confidence B．practice C．friends D．sleep7．A．fun B．progress C．success D．value8．A．refused B．decided C．hated D．helped9．A．sunny B．rainy C．cloudy D．windy10．A．lookingat B．lookingfor C．lookingafter D．lookingaround11．A．checked B．pushed C．turned D．weighed12．A．strong B．warm C．long D．light13．A．loudly B．early C．comfortably D．quickly14．A．minute B．week C．month D．year15．A．fell B．appeared C．returned D．rose三、阅读理解。（每小题2分，共30分）AAccordingtoscientists,alakewitharoundshapeisverycommon.However,thelakenamedKingsleyinFlorida,theUS,makesthemverysurprised.KingsleyLakeisoneofthebestfishingspotsinFlorida,butfewpeopleknowwhatreallymakesthisplacespecialisitsunusuallyroundshape.Thelakeiscalledtheroundestlakeintheworld.Infact,wecanonlyseehowroundthelakeisfromtheair.WhatcausedKingsleyLaketohavethisspecialshape?SomepeoplethinkhumanbeingshavechangedthestructureofKingsleyLakesothatitisunusuallyround.However,infact,thislakeiscompletelyfreefromhumanactivities.Itisbelievedtohaveformedasasinkhole.Italsoappearsthatthelakeistheresultofthemovementofrocks,whichgavethepresentshapeofKingsleyLake.KingsleyLakehasadiameter(直径)ofabout3.2kilometres.Itis53.7metresabovesealevel,whichmakesKingsleyLakeoneofthehighestlakesinFlorida.KingsleyLakeisabout27.4metresdeepanditisalsoconsideredoneofFlorida’sdeepestlakes.Accordingtothesurvey,KingsleyLakehasanunchangingwaterlevelbecauseofitssurfacedrainage(排水)system.Thissystemhelpsthefloodwatereasilyrunfromthelaketotheareasaround.Inaddition,thelakehasmanyshallow(浅的)waterareas,soitcanbefilledwithwateragaininnotime,creatingthebalanceofthewaterinthelake.16．WhydoscientistsfeelsurprisedwhentheyseeKingsleyLake?A．Becauseitlookssobeautiful.B．Becauseitisagoodfishingspot.C．Becauseitisatouristdestination.D．Becauseithasquitearoundshape.17．What’sparagraph3mainlyabout?A．ThereasonwhyKingsleyLakeisunusuallyround.B．Theinfluencewhichhumanactivitieshavecaused.C．Thepresentshapegivenbythemovementofrocks.D．Thedatapeoplemustknowaboutthelake.18．Whatmakesthelake’swaterlevelalwaysstaythesame?①Thegooddrainagesystem.②The27.4-metredepth.③Theshallowwaterareas.④The3.2-kilometrediameter.A．①② B．②③ C．①③ D．③④19．WhatcanwelearnaboutKingsleyLakefromthepassage?A．It’sanaturallake.B．It’saman-madelake.C．It’stheworld'sdeepestlake.D．It’sthehighestlakeintheUS.20．What’sthewriter’spurposeinwritingthepassage?A．Tointroducealakewithaspecialshape.B．Tocallonmorepeopletoprotectthelake.C．ToattractmoretouriststoKingsleyLake.D．TodescribethebeautyofKingsleyLake.BTheworldisfullofbeautifulplacesthatwaitforyoutoexplore.Youusedtopromiseyourselfthatyouwouldtravelsomewherewhenyouhadenoughmoneyandtime.Butscientificresearchhasfoundthatsomeofthemwon’twaitaroundforeverbecausetheywilldisappearoneday.TheDeadSea,knownforbeingoneofthesaltiestbodiesofwaterintheworld,isindangerofdisappearing.Touristswenttothelaketofloatinitswatersandspreaditsmineral-richmud（富含矿物质的泥土）ontheirskin.However,thewaterlevelisdroppingmorethan90centimetreseveryyearbecauseofnearbymining（采矿）projectsandoveruseofwater.Asaresult,theDeadSeaisshrinkingsoquicklythatifnothingisdoneby2050,itwillbetoolate.Madagascar’srainforestscouldalsodisappearinabout30years.Theyoncecovered120,000squaremetres,butwithtreescutdownandforestfires,only20,000squaremetresarelefttoday.ThisisabadeventforspecialanimalsthatcallMadagascarhome.Therearealsomanyman-madeplacesaroundtheworldthatareattheriskofdisappearing.OneoftheseisMachuPicchu.Ithasbeenendangeredbycitydevelopment,landslides（滑坡）,andtoomanyvisitors.Ifactionisnottakentoprotecttheancientplace,itcouldbegoneinthenearfuture.AnotherspotindangeristheGreatWallofChina.Partofthewall,builtoverhundredsofyearsandfinishedintheMingDynasty,isalreadygone.Foronething,windandrainhaveweathered（风化）itandplantsgrowinginthewallhaveweakeneditfurther.Foranother,poorvillagershavestolen（偷）itsbricksinordertosellthemorbuildhomeswiththem.Inrecentyears,touristshavealsobegunexploringthelessdevelopedpartsoftheGreatWall,causingmoredamage（破坏）.Itcouldalsobelosttothesandsoftime.Ifyouexpecttovisitanyofthesespots,gettothembeforetimerunsout!21．Howdoesthewriterstartthistext?A．Bylistinganexample.B．Bygivingafact.C．Bysharinganopinion.D．Bymakingacomparison.22．Whatdoestheunderlinedword“shrinking”meaninparagraph2?A．Becomingsmallerinsize.B．Becomingmorefamousforitsdanger.C．Becominglessinamount.D．Becomingsaltierinthebodyofwater.23．Whichtwoplacesareattheriskofdisappearingpartlybecauseoftourists?A．TheDeadSeaandMachuPicchu.B．MachuPicchuandtheGreatWall.C．TheGreatWallandMadagascar’srainforests.D．Madagascar’srainforestsandtheDeadSea.24．Whatcanweknowabouttheplacesinthetext?A．SpecialanimalslivingintheDeadSeaareatrisk.B．Madagascar’srainforestscouldbegonebyabout2040.C．MachuPicchubuiltbymanisstillattheriskofdisappearing.D．VillagershavestolenbrickstorepairpartsoftheGreatWall.25．Inwhichunitofatextbookcanthetextbemostpossiblyfound?A．Unit1TheWorldofScience.B．Unit2LifeintheFuture.C．Unit3TheScaryNature.D．Unit4NatureandProtection.C配对阅读。第一栏是五个人的情况介绍，第二栏是七个景点的描述。请为这五个人推荐符合他们的情况的景点。选项中有两项为多余项。26．________MrWanglikesgoingclimbingverymuch.HewillgotoHuizhouonbusinesswithhiscousinnextweek.Theyplantoclimbahighmountainthere.27．________MissLinhasbeenbusywithherworkrecently.It’ssaidthattherearemanyfamousislandsinGuangdong.Sheplanstovisitonetorelaxherselfafterfinishingherwork.28．________MrLiisageographyteacherinajuniorhighschoolinGuangzhou.Thesummerholidayiscomingandhe’dliketotravelacrossafamousdesertinChinawithhisworkmates.29．________MsZhulivesinHuizhou.Sheisquiteinterestedinoldlakesandplanstotraveltoafamousandbeautifullakeinothercitiesduringthecomingholiday.30．________MissGaoispreparingforthecomingphotographycompetition.ShewantstophotographsomeoldbuildingsinGuangzhoutoenterthecompetition.A．LuofuMountaininHuizhouisoneofthemostfamousmountainsinGuangdong.Itis1,296metreshigh.Also,thesightsfromthetopofitareveryimpressive.Lotsofvisitorscometoclimbiteveryyear.B．TaklimakanDesertisthelargestdesertinChina.Itcoversabout330,000squarekilometres.Nobodylivesinthedesert.Somespecialanimalstherearedormant(休眠的)duringthesummer.C．TheWestLakeinHangzhouisoneofthemostfamousandoldestlakesinChina.It’salargeandbeautifullakewithhillsandgardensaroundit.It’sveryfamousandmanypeoplevisititeveryyear.D．TherearemanyspecialoldbuildingsalongShangxiajiuPedestrianStreetinGuangzhou.Lotsofpeoplegotheretoenjoythemselveseveryday.Theyalsoliketakingphotosofthoseoldbuildings.E．HailingIslandinYangjiangisafamousislandintheSouthChinaSea.It’soneofthemostbeautifulislandsinChina.It’seasytogetthere,andtheairthereisveryfresh.F．HuizhouWestLakeliesinthecentreofHuizhou.It’sveryeasytogetthere.Thesightsthereareverybeautiful.ManyfamouspeoplelikeSuDongpoandSunYat-senoncevisitedthelake.G．GuangjiBridgeinChaozhou,alsonamedXiangziBridge,isoneoftheoldestbridgesinGuangdong.ItwasbuiltintheSongDynastyandit’sknownbymanypeoplealloverChina.四、短文填空。（每小题1分，共10分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。VictoriaFallsareagreat____31____(nature)wonderoftheworld.Itisoneofthe____32____(large)waterfallsintheworld.Itisover1,700meterswide____33____about108metershigh.Thewaterfall____34____(sit)ontheZambeziRiverinsouthernAfrica.Itisfamous____35____itsspectacular(壮观的)scenery.Everysecond,____36____hugeflowofwaterfallsdownthewaterfall’sedge.Allthatmovingwater____37____(create)hugecloudsofspray(水花).Peoplecanseethespray____38____(kilometre)awayfromthewaterfall.Andthespraycreatesrainbows.Therainbowsareverybeautifulagainsttheblueskyandthegreenforestinthebackground.Lotsofpeoplegotoseethewaterfalleveryyear.____39____(visitor)canseeitfromvantagepoints.Iftheywanttoenjoyitina____40____(difference)way,theycanswimintheriverrightuptothewaterfall’sedge.31．________32．________33．________34．________35．________36．________37．________38．________39．________40．________五、书面表达。（满分20分）41．在我们国家众多的河流中，长江具有举足轻重的地位。请结合以下提示信息，写一篇英语短文介绍长江。要点：(1)长江在中国以及世界具有举足轻重的地位；(2)从长度、起源地、生态特征等方面具体介绍长江；(3)呼吁保护长江，并表达希望长江越来越好的愿望。注意：(1)内容需要包含上述要点，可适当增加细节以使行文连贯；(2)词数80左右。TheYangtzeRiver_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

【参考答案】一、1．【答案】A【解析】句意：长城是世界上最伟大的奇观之一，每年吸引数百万游客。wonder奇观；fact事实；plan计划；dream梦想。根据“TheGreatWall”及常识可知，长城是著名的世界奇观，因此，正确答案是A。2．【答案】B【解析】句意：这个旅游套餐包括参观博物馆、一次乘船旅行和两晚的酒店住宿。invent发明；include包括；suggest建议；separate分开。根据“avisittothemuseum,aboattripandtwonights'hotelstay”可知，这些是旅游套餐包含的内容，因此，正确答案是B。3．【答案】B【解析】句意：这个团队日夜练习，最终他们成功地完成了这项艰巨的任务。suddenly突然；successfully成功地；carefully仔细地；probably可能。根据“practiseddayandnight”及“finally”可知，此处指成功完成任务，因此，正确答案是B。4．【答案】B【解析】句意：我喜欢打网球。我认为没有什么比打网球更令人愉快的了。根据句中的“than”可知，此处应用形容词的比较级形式；结合前半句“Ilikeplayingtennis”可知，说话者对网球持肯定态度，因此应用enjoyable的比较级moreenjoyable。因此，正确答案是B。5．【答案】B【解析】句意：汤姆总是对机器人的工作原理感到好奇，所以他经常向老师请教。nervous紧张的；curious好奇的；worried担心的；tired疲倦的。根据“soheoftenaskshisteacherforexplanations”可知，汤姆因好奇而提问，becuriousabout为固定搭配，意为“对……好奇”，因此，正确答案是B。二、6．【答案】B【解析】confidence信心；practice练习；friend朋友；sleep睡眠。根据but可知，Jack和前两人形成对比，Jack不擅长航海，所以需要更多练习。因此，正确答案是B。7．【答案】A【解析】fun乐趣；progress进步；success成功；value价值。根据语境可知，玩游戏和唱歌有很多乐趣。havegreatfundoingsth是固定搭配，意为“做某事很开心”。因此，正确答案是A。8．【答案】B【解析】refuse拒绝；decide决定；hate讨厌；help帮助。根据下文内容可知，此处指孩子们决定去野餐，decidetodosth意为“决定做某事”。因此，正确答案是B。9．【答案】D【解析】sunny晴朗的；rainy下雨的；cloudy多云的；windy有风的。根据下文“butthewindiscomingfromthenorth”可知，此处说风大。因此，正确答案是D。10．【答案】C【解析】lookat看；lookfor寻找；lookafter照顾；lookaround环顾四周。联系语境可知，因为Jack最小，所以Emily喜欢照顾他。因此，正确答案是C。11．【答案】B【解析】check检查；push推；turn转动；weigh称重。根据语境可知，此处指把船推进水里。因此，正确答案是B。12．【答案】A【解析】strong强劲的；warm温暖的；long长的；light轻的。根据后文的危险情况可知，风变得强劲。因此，正确答案是A。13．【答案】D【解析】loudly大声地；early早地；comfortably舒服地；quickly快速地。情况紧急，所以要快速坐到另一边。因此，正确答案是D。14．【答案】A【解析】minute分钟；week周；month月；year年。这里描述短时间内波浪变化，用minute合适。因此，正确答案是A。15．【答案】B【解析】fall落下；appear出现；return返回；rise升起。根据语境可知，此处指船出现并救人。因此，正确答案是B。三、16．【答案】D【解析】细节理解题。根据第一段中“However，thelakenamedKingsleyinFlorida，theUS,makesthemverysurprised.”以及第二段“KingsleyLakeisoneofthebestfishingspotsinFlorida,butfewpeopleknowwhatreallymakesthisplacespecialisitsunusuallyroundshape.”可知，金斯利湖异常圆，这使科学家们感到惊讶。因此，正确答案是D。17．【答案】A【解析】段落大意题。根据第三段“WhatcausedKingsleyLaketohavethisspecialshape?SomepeoplethinkhumanbeingshavechangedthestructureofKingsleyLakesothatitisunusuallyround...ofKingsleyLake.”可知，第三段主要讲述了金斯利湖异常圆的原因。因此，正确答案是A。18．【答案】C【解析】细节理解题。根据第五段“Accordingtothesurvey,KingsleyLakehasanunchangingwaterlevelbecauseofitssurfacedrainagesystem...Inaddition,thelakehasmanyshallowwaterareas...”可知，湖的水位保持不变是因为良好的排水系统和浅水区。因此，正确答案是C。19．【答案】A【解析】细节理解题。根据第三段“However,infact，thislakeiscompletelyfreefromhumanactivities.Itisbelievedtohaveformedasasinkhole.”可知，金斯利湖是一个天然湖。因此，正确答案是A。20．【答案】A【解析】推理判断题。根据文章整体内容，尤其是第二段“KingsleyLakeisoneofthebestfishingspotsinFlorida，butfewpeopleknowwhatreallymakesthisplacespecialisitsunusuallyroundshape.”以及第六段“KingsleyLakeisnowafamoustouristdestinationinsummer.Eachyear，itattractsabout120,000tourists.Italsoprovideshomeforalotofendangeredanimals.”可知，作者写作的目的是介绍一个具有特殊形状的湖。因此，正确答案是A。21．【答案】B【解析】写作手法题。根据“Butscientificresearchhasfoundthatsomeofthemwon’twaitaroundforeverbecausetheywilldisappearoneday.”可知，作者通过陈述一项科学研究发现开篇，即陈述事实。因此，正确答案是B。22．【答案】A【解析】词义猜测题。根据“However，thewaterlevelisdroppingmorethan90centimetreseveryyearbecauseofnearbyminingprojectsandoveruseofwater.Asaresult,theDeadSeaisshrinkingsoquicklythatifnothingisdoneby2050,itwillbetoolate.”可知，由于附近的采矿项目和过度用水，死海水位每年下降超过90厘米，因此在2050年前，如果什么都不做，死海会迅速缩小，由此推测画线单词表示“缩小”。因此，正确答案是A。23．【答案】B【解析】细节理解题。根据“Therearealsomanyman-madeplacesaroundtheworldthatareattheriskofdisappearing.OneoftheseisMachuPicchu...andtoomanyvisitors.”以及“AnotherspotindangeristheGreatWallofChina...Inrecentyears，touristshavealsobegunexploringthelessdevelopedpartsoftheGreatWall,causingmoredamage.”可知，马丘比丘和长城均因游客而面临消失的风险。因此，正确答案是B。24．【答案】C【解析】细节理解题。根据“Therearealsomanyman-madeplacesaroundtheworldthatareattheriskofdisappearing.OneoftheseisMachuPicchu.”可知，由人类建造的马丘比丘也面临消失的风险。因此，正确答案是C。25．【答案】D【解析】推理判断题。本文主要介绍了世界上一些因自然或人为因素面临消失危险的美丽景点，包括死海、马达加斯加雨林、马丘比丘和长城，并呼吁人们及时行动以保护