2026初中八年级英语完形填空专项试卷及答案

2026初中八年级英语完形填空专项试卷及答案第1页共1页2026初中八年级英语完形填空专项试卷及答案一、单项选择题（共10小题，每题2分）1.Whatdoestheunderlinedword"unique"meaninthesentence"Thepaintinghasauniquestylethatsetsitapartfromothers?"A.commonB.specialC.oldD.expensive参考答案：B2.IfLisareads15pageseveryday,howmanypageswillshereadin7days?A.70B.80C.90D.100参考答案：C3.Whichofthefollowingsentencesisgrammaticallycorrect?A.Hedon'tlikeplayingfootball.B.Sheisgotothelibrary.C.Theyhasfinishedtheirhomework.D.Wearegoingtothezootomorrow.参考答案：D4.Whatisthepasttenseoftheverb"togo"?A.goB.goesC.wentD.going参考答案：C5.Whichcountryisknownasthe"LandoftheRisingSun"?A.ChinaB.JapanC.KoreaD.Thailand参考答案：B6.Ifatraintravelsataspeedof60km/h,howfarwillittravelin4hours?A.240kmB.280kmC.320kmD.360km参考答案：A7.Whatisthepluralformof"child"?A.childB.childrenC.childesD.childen参考答案：B8.Whichofthefollowingisacorrectuseofthepresentperfecttense?A.Ihaveeatenbreakfast.B.Iatebreakfast.C.Iameatingbreakfast.D.Ieatbreakfast.参考答案：A9.Whatistheoppositeof"happy"?A.sadB.angryC.tiredD.excited参考答案：A10.Ifyouwanttoaskaboutsomeone'sage,whichquestionshouldyouask?A.Howoldareyou?B.Whatisyourname?C.Wheredoyoulive?D.Howareyou?参考答案：A二、填空题（共10小题，每题2分）1.Theboyoftenhelpshismother______thehouseworkonweekends.参考答案：todo2.Ifyouwanttostayhealthy,youshouldeatmorefruitsandvegetables______exerciseeveryday.参考答案：and3.Mysisterisgoodatsingingandsheoftenperforms______herclassmates.参考答案：to4.Theteacheraskedthestudentstodiscusstheproblem______inclass.参考答案：that5.WearegoingtovisitthemuseumnextSunday,______areyou?参考答案：too6.Thisbookisveryinteresting.Ihavereadit______.参考答案：before7.Pleasepassmethesalt,______thereisn'tenoughinthedish.参考答案：because8.Thecatissleeping______thetable.参考答案：under9.It'simportanttostudyhardifyouwanttoachieveyourdreams.参考答案：so10.Thetrainwillleaveat9o'clock______themorning.参考答案：in三、判断题（共10小题，每题2分）1.Theverb"go"isalwaysusedinthepresentcontinuoustensetodescribeatemporarytrip.参考答案：×2.Inthesentence"Sheisreadingabook,""isreading"isthemainverbphrase.参考答案：√3.Thepastperfecttenseisusedtodescribeanactionthathappenedbeforeanotherpastaction.参考答案：√4.Theword"its"isapossessivepronoun.参考答案：√5.Theadverb"very"canmodifybothadjectivesandadverbs.参考答案：√6.Thesentence"Ihaveacar"isinthepresentperfecttense.参考答案：√7.Theword"affect"isanoun.参考答案：×8.Thepresentperfectcontinuoustenseisformedwith"have/hasbeen+verb-ing."参考答案：√9.Theword"they're"isacontractionof"theyare."参考答案：√10.Thepastperfecttenseisformedwith"had+verb-ed."参考答案：√四、简答题（共8小题，每题2分）1.Whatisthemainfunctionoftheskininthehumanbody?参考答案：Theskinprotectsthebodyfromharmfulsubstances,helpsregulatebodytemperature,andallowsustofeeltouch,heat,andcold.2.Describetheprocessofphotosynthesisinplants.参考答案：Photosynthesisistheprocessbywhichplantsusesunlight,water,andcarbondioxidetoproduceglucoseandoxygen.3.HowdoriversandlakesformintheEarth'scrust?参考答案：RiversandlakesformintheEarth'scrustthroughtheprocessoferosion,deposition,andtheaccumulationofwateroverlongperiods.4.Explaintheroleofthesuninthesolarsystem.参考答案：ThesunisthecenterofthesolarsystemandprovidesthenecessarylightandheatforlifeonEarth.Italsogovernstheorbitsofplanetsandothercelestialbodies.5.Whatarethemaincausesofairpollutioninurbanareas?参考答案：Airpollutioninurbanareasisprimarilycausedbyvehicleemissions,industrialactivities,andtheburningoffossilfuels.6.Describethebasicstructureofaplantcell.参考答案：Aplantcellhasseveralbasicstructures,includingthecellwall,chloroplasts,mitochondria,nucleus,endoplasmicreticulum,ribosomes,andvacuole.7.Howdoesthehumanrespiratorysystemwork?参考答案：Thehumanrespiratorysystemworksbytakinginoxygenfromtheairandexpellingcarbondioxide.Thisprocessinvolvesthelungs,trachea,bronchi,andalveoli.8.Whatisthesignificanceofwaterconservation?参考答案：Waterconservationissignificantbecauseithelpspreservenaturalresources,reducesenergyconsumption,andprotectsecosystems.五、阅读理解题（共8小题，每题3分）Lastweekend,Lilydecidedtoexplorethelocalbotanicalgardenwithherbestfriend,Tom.Theywerebothfascinatedbyrareplantsandflowers.Astheyenteredthegarden,theyweregreetedbyavarietyofcolorfulbloomsandthesoothingsoundofbirdschirping.Thegardenwasdividedintoseveralsections,eachdedicatedtodifferenttypesofplantsfromaroundtheworld.Inthetropicalsection,theysawexoticplantswithlarge,vibrantleaves.Lilywasparticularlyimpressedbytheorchids,whichcameinadazzlingarrayofcolors.Tom,ontheotherhand,wasmoreinterestedinthetoweringpalmtrees.Theyspenthourswanderingthroughthesection,takingphotosandmakingnotesabouttheplantstheyencountered.Next,theymovedontothedesertsection.Thisareawassurprisinglylush,despitetheharshconditions.Theymarveledattheresilienceofcactiandtheuniqueshapesofsucculents.Lilyevenlearnedthatsomecacticouldstorewaterformonths,whichwasfascinatingtoher.Afterthedesertsection,theyvisitedtherosegarden.Itwasinfullbloom,andthefragranceoftheroseswasoverwhelming.Lilypickedafewrosesandtiedthemtoherhair.Tomhelpedherarrangethem,andtheytookaselfiewiththebeautifulflowersinthebackground.Thefinalsectiontheyexploredwasthemedicinalplantgarden.Here,theylearnedaboutthevarioususesofdifferentherbsandplants.Lilywasamazedathowmanycommonillnessescouldbetreatedwithnaturalremedies.Tom,whohadakeeninterestinscience,tookdetailednotesonthepropertiesofeachplant.Asthesunbegantoset,LilyandTomrealizedtheyhadspenttheentiredayexploringthegarden.Theywerebothtiredbuthappy.Onthewayhome,theytalkedabouttheirfavoritepartsofthegardenandmadeplanstoreturnnextyear.Theypromisedtoexploremoresectionsandlearnevenmoreaboutthewonderfulworldofplants.1.WhatwasLilyandTom'smainreasonforvisitingthebotanicalgarden?参考答案：Toexplorerareplantsandflowers2.HowdidLilyfeelabouttheorchidsinthetropicalsection?参考答案：Impressed3.WhatdidTomfindmostinterestinginthedesertsection?参考答案：Palmtrees4.WhydidLilypickafewrosesintherosegarden?参考答案：Becauseshepickedthemandtiedthemtoherhair5.WhatdidLilylearnaboutmedicinalplantsinthemedicinalplantgarden?参考答案：Shelearnedaboutthevarioususesofdifferentherbsandplants6.HowdidLilyandTomfeelafterspendingthedayexploringthegarden?参考答案：Tiredbuthappy7.WhatdidLilyandTomplantodonextyear?参考答案：Toexploremoresectionsandlearnevenmoreaboutthewonderfulworldofplants8.WhichsectionofthegardendidTomtakedetailednoteson?参考答案：Medicinalplants标准答案与解析一、单项选择题1.参考答案：B解析：Theword"unique"means"special"or"different"inthiscontext.Thesentenceimpliesthatthepaintinghasadistinctivestylethatmakesitstandoutfromothers.OptionA"common"meansordinary,whichcontradictsthemeaningof"unique."OptionC"old"referstoage,notuniqueness.OptionD"expensive"referstocost,notuniqueness.Therefore,Bisthecorrectanswer.2.参考答案：C解析：TofindthetotalnumberofpagesLisawillreadin7days,multiplythenumberofpagesshereadsperdaybythenumberofdays.15pages/day×7days=105pages.However,thecorrectanswerisnotlistedamongtheoptions.Let'srecalculate:15×7=105.Theoptionsprovidedareincorrect,sothecorrectanswershouldbe105pages.Sincetheoptionsdonotinclude105,thequestionneedstoberevised.3.参考答案：D解析：OptionAisincorrectbecause"don't"shouldbe"doesn't"toagreewith"He."OptionBisincorrectbecauseitshouldbe"Sheisgoingtothelibrary"or"Shegoestothelibrary."OptionCisincorrectbecauseitshouldbe"Theyhavefinishedtheirhomework."OptionDisgrammaticallycorrect.Therefore,Disthecorrectanswer.4.参考答案：C解析：Thepasttenseoftheverb"togo"is"went."Thepresenttenseis"go,"thethird-personsingularpresenttenseis"goes,"and"going"isthepresentparticiple.Therefore,Cisthecorrectanswer.5.参考答案：B解析：Japanisknownasthe"LandoftheRisingSun"becauseofitslocationeastoftheAsiancontinent,wherethesunrisesfirst.OptionA,China,isknownasthe"MiddleKingdom."OptionC,Korea,isknownasthe"HermitKingdom."OptionD,Thailand,isknownasthe"LandofSmiles."Therefore,Bisthecorrectanswer.6.参考答案：A解析：Tofindthedistancetraveled,multiplythespeedbythetime.60km/h×4h=240km.Therefore,Aisthecorrectanswer.7.参考答案：B解析：Thepluralformof"child"is"children."Therefore,Bisthecorrectanswer.8.参考答案：A解析：Thepresentperfecttenseisusedtodescribeanactionthathasbeencompletedinthepastandhasaconnectiontothepresent."Ihaveeatenbreakfast"isacorrectuseofthepresentperfecttense.OptionBissimplepast,OptionCispresentcontinuous,andOptionDissimplepresent.Therefore,Aisthecorrectanswer.9.参考答案：A解析：Theoppositeof"happy"is"sad."OptionB"angry"meansupset,OptionC"tired"meansexhausted,andOptionD"excited"meansenthusiastic.Therefore,Aisthecorrectanswer.10.参考答案：A解析：Toaskaboutsomeone'sage,youshouldask"Howoldareyou?"OptionBasksfortheirname,OptionCasksabouttheirlocation,andOptionDasksabouttheirwell-being.Therefore,Aisthecorrectanswer.二、填空题1.参考答案：todo解析：本题考查动词不定式作宾语。helpsbdosth是固定搭配，意为“帮助某人做某事”。根据句意“这个男孩经常在周末帮他的妈妈做家务”，此处应用动词不定式todothehousework。2.参考答案：and解析：本题考查并列连词。句中有两个并列成分“eatmorefruitsandvegetables”和“exerciseeveryday”，需要用并列连词连接。and意为“和”，连接两个并列的动词短语，符合句意“如果你想保持健康，你应该每天多吃水果蔬菜和锻炼”。3.参考答案：to解析：本题考查介词。performin是固定搭配，意为“在……表演”。根据句意“我的姐姐擅长唱歌，她经常在同学面前表演”，此处应用介词in。4.参考答案：that解析：本题考查宾语从句。discusstheproblem是及物动词短语，需要宾语从句来充当宾语。that在宾语从句中不充当任何成分，只起连接作用，且引导的从句可以作动词discuss的宾语。根据句意“老师让学生讨论课堂上提到的问题”，此处应用that。5.参考答案：too解析：本题考查副词。too意为“也”，用于句末表示同样。根据句意“我们下周日要去参观博物馆，你也是吗？”，此处应用too。6.参考答案：before解析：本题考查介词。before意为“在……之前”。根据句意“这本书很有趣。我之前读过”，此处应用before。7.参考答案：because解析：本题考查从属连词。句中有两个分句“Pleasepassmethesalt”和“thereisn'tenoughinthedish”，需要从属连词连接。because意为“因为”，引导原因状语从句，符合句意“请把盐递给我，因为盘子里盐不够了”。8.参考答案：under解析：本题考查介词。underthetable是固定短语，意为“在桌子下面”。根据句意“猫正在桌子下面睡觉”，此处应用under。9.参考答案：so解析：本题考查连词。so意为“所以”，用于连接因果关系的两个分句。根据句意“如果你想实现你的梦想，努力学习很重要”，此处应用so。10.参考答案：in解析：本题考查介词。inthemorning意为“在早上”。根据句意“火车早上9点出发”，此处应用in。三、判断题1.参考答案：×解析：Theverb"go"canbeusedinvarioustensesandisnotexclusivelyusedinthepresentcontinuoustensetodescribeatemporarytrip.Forexample,"Igotothestoreeveryday"isinthesimplepresenttense.2.参考答案：√解析：Inthesentence"Sheisreadingabook,""isreading"isthemainverbphrase,consistingoftheauxiliaryverb"is"andthepresentparticiple"reading."3.参考答案：√解析：Thepastperfecttenseisusedtodescribeanactionthathappenedbeforeanotherpastaction.Forexample,"Hehadfinishedhishomeworkbeforehewenttobed."4.参考答案：√解析："Its"isapossessivepronounusedtoindicateownership.Forexample,"Thecatlickeditspaws."5.参考答案：√解析："Very"canmodifybothadjectivesandadverbs.Forexample,"Sheisverytall"and"Herunsveryfast."6.参考答案：√解析："Ihaveacar"isinthepresentperfecttense,formedwiththepresentperfectformoftheverb"have."7.参考答案：×解析："Affect"isprimarilyaverbmeaningtoinfluence.Forexample,"Theweatheraffectsmymood."Thenounformis"effect."8.参考答案：√解析：Thepresentperfectcontinuoustenseisformedwith"have/hasbeen+verb-ing."Forexample,"Shehasbeenstudyingfortwohours."9.参考答案：√解析："They're"isacontractionof"theyare."Forexample,"They'regoingtothepark."10.参考答案：√解析：Thepastperfecttenseisformedwith"had+verb-ed."Forexample,"Shehadeatendinnerbeforeshewenttothemovie."四、简答题1.参考答案：Theskinprotectsthebodyfromharmfulsubstances,helpsregulatebodytemperature,andallowsustofeeltouch,heat,andcold.解析：Theskinisthelargestorganinthehumanbodyandservesmultiplefunctions.Itactsasabarrier,preventingharmfulbacteria,viruses,andotherpathogensfromenteringthebody.Additionally,theskinhelpsregulatebodytemperaturethroughsweatproductionandbloodvesseldilationorconstriction.Italsocontainssensoryreceptorsthatallowustofeeltouch,heat,andcold,enablingustointeractwithourenvironment.Thesefunctionsarecrucialformaintainingoverallhealthandwell-being.2.参考答案：Photosynthesisistheprocessbywhichplantsusesunlight,water,andcarbondioxidetoproduceglucoseandoxygen.解析：Photosynthesisisafundamentalbiologicalprocessthatoccursinplants,algae,andsomebacteria.Itinvolvestheconversionoflightenergyfromthesunintochemicalenergystoredinglucose,atypeofsugar.Thisprocesstakesplaceinthechloroplastsofplantcells,whichcontainthepigmentchlorophyll.Duringphotosynthesis,plantsabsorbcarbondioxidefromtheatmosphereandwaterfromthesoil.Usingsunlightasanenergysource,theyconverttheserawmaterialsintoglucoseandreleaseoxygenasabyproduct.Thisoxygenisessentialforthesurvivalofmostlivingorganisms,includinghumans.3.参考答案：RiversandlakesformintheEarth'scrustthroughtheprocessoferosion,deposition,andtheaccumulationofwateroverlongperiods.解析：TheformationofriversandlakesisageologicalprocessthatinvolvesthemovementofwaterandtheshapingoftheEarth'ssurface.Riverstypicallyoriginatefromhighelevations,suchasmountains,whereprecipitationaccumulatesandformsstreams.Thesestreamsmergeandflowdownhill,erodingthelandandcarryingsediment.Overtime,theriver'spathbecomesmoredefined,anditmaycarveoutavalley.Lakes,ontheotherhand,canforminvariousways,includingtheblockingofrivervalleysbynaturaldams,thesinkingoflandduetotectonicactivity,ortheaccumulationofmeltwaterindepressions.Theinterplayoftheseprocessesresultsinthediverselandscapesweseetoday.4.参考答案：ThesunisthecenterofthesolarsystemandprovidesthenecessarylightandheatforlifeonEarth.Italsogovernstheorbitsofplanetsandothercelestialbodies.解析：Thesunisamassive,glowingballofplasmathatistheheartofoursolarsystem.Itaccountsforabout99.8%ofthesolarsystem'stotalmassandistheprimarysourceofenergyforalllifeonEarth.Thesun'sgravitationalpullkeepstheplanets,moons,asteroids,andcometsinorbitaroundit.Itslightandheatareessentialforphotosynthesis,weatherpatterns,andtheoverallclimateoftheplanets.Withoutthesun,lifeasweknowitwouldnotexist.5.参考答案：Airpollutioninurbanareasisprimarilycausedbyvehicleemissions,industrialactivities,andtheburningoffossilfuels.解析：Airpollutionisasignificantenvironmentalissueinurbanareas,withmultiplesourcescontributingtoitsoccurrence.Vehicleemissions,particularlyfromcars,trucks,andbuses,releasepollutantssuchasnitrogenoxides,carbonmonoxide,andparticulatematter.Industrialactivities,includingfactoriesandpowerplants,alsocontributetoairpollutionbyemittingvariouschemicalsandparticulates.Additionally,theburningoffossilfuelsforheating,cooking,andenergyproductionreleasespollutantsthatdegradeairquality.Thesepollutantscanhaveharmfuleffectsonhumanhealth,wildlife,andtheenvironment.6.参考答案：Aplantcellhasseveralbasicstructures,includingthecellwall,chloroplasts,mitochondria,nucleus,endoplasmicreticulum,ribosomes,andvacuole.解析：Plantcellsareeukaryoticcellsthathaveacomplexstructurewithseveraldistinctcomponents.Thecellwallprovidesstructuralsupportandprotection,whilechloroplastscontainchlorophyllandareresponsibleforphotosynthesis.Mitochondriagenerateenergythroughcellularrespiration,andthenucleushousesthecell'sgeneticmaterial.Theendoplasmicreticulumisinvolvedinproteinandlipidsynthesis,whileribosomesareresponsibleforproteinproduction.Thevacuolestoreswater,nutrients,andwasteproducts,helpingtomaintaincellturgorpressure.7.参考答案：Thehumanrespiratorysystemworksbytakinginoxygenfromtheairandexpellingcarbondioxide.Thisprocessinvolvesthelungs,trachea,bronchi,andalveoli.解析：Thehumanrespiratorysystemisdesignedtofacilitatetheexchangeofgasesbetweenthebodyandtheenvironment.Itbeginswiththenoseormouth,whereairisdrawninandfiltered.Theairthentravelsdownthetrachea,whichbranchesintothebronchi,andfurtherintothelungs.Withinthelungs,theairreachesthealveoli,tinyairsacswhereoxygenistransferredintothebloodstream,andcarbondioxideisremovedfromthebloodandexhaled.Thiscontinuousprocessensuresthatthebody'scellsreceivetheoxygentheyneedtofunctionandthatwastegasesareeliminated.8.参考答案：Waterconservationissignificantbecauseithelpspreservenaturalresources,reducesenerg