人教版（2024）八年级上册英语 Unit 4 单元素养测试卷（含答案）

第第页人教版（2024）八年级上册英语Unit4单元素养测试卷考试时间：90分钟满分：100分一、单项选择（10小题，每题1分，共10分）（）1.—Whichanimalisthefastestlandrunnerintheworld?—The,itcanrunupto112km/h.A.redwoodB.cheetahC.bambooD.moss（）2.Theplant______growsinkarstareashasspecialleavestostorewater.A.whoB.whatC.whichD.whose（）3.—Whydopandasmainlyeatbamboo?—Becauseit’seasyforthem______anddigest.A.findB.tofindC.findingD.found（）4.Redwoodsareamazingtrees______canliveforover2,000years.A.thatB.whoC.whomD.where（）5.—dogiraffeshavelongnecks?—Toreachtheleavesontalltrees.A.WhenB.WhereC.WhyD.How（）6.We______destroythehabitatsofwildanimals.Theyneedsafehomestosurvive.A.mustn’tB.can’tC.needn’tD.shouldn’t（）7.Thelittlebird______issittingonthebranchisararespeciesinourcity.A.whatB.thatC.whomD.where（）8.—Howdoesthecactusliveinthedesert?—It______storewaterinitsthickstem.A.canB.mustC.shouldD.need（）9.Mycousinisinterestedin______aboutamazingplantsaroundtheworld.A.learnB.learnsC.learnedD.learning（）10.—Let’sjointhewildlifeprotectionclub!—______!Iwanttoknowmoreaboutcheetahs.A.SorryB.That’sboringC.SoundsgreatD.Nevermind二、完形填空（2篇，共20分）A篇（10小题，每题1分）TheMagicofBigBractHemiboeaInthekarstforestsofGuizhou,there’saspecialplantcalledBigBractHemiboea.It’ssmall,onlyhalfametertall,butithasamazingsurvivalskills.Theplant11______inrockcreviceswherewaterisscarce.Toprotectitsyoungbuds,itgrowstwospecialbractsthatjointogethertoforma“waterball”.The“waterball”12______nearly20mlofliquid,like“amnioticfluid”forthebuds.Thisliquidkeepsthebudscoolonhotdays—even3.6℃coolerthantheair13______!Italsoprovidesnutrientslikecalciumandmagnesium.Whendroughtcomes,theliquidflowsbacktotheleaves14______theplantfromdryingout.Scientistssaythisspecialstructure15______independentlymanytimesinnature.Itshowshowplants16______toharshenvironments.Weshouldprotecttheseamazingplants,becausethey17______alotaboutnature’swisdom.Ifwedestroytheirhabitats,we18______losethisvaluableknowledgeforever.Let’spromise19______thesespecialplantsand20______themgrowinpeace.（）11.A.growsB.growC.grewD.growing（）12.A.holdB.holdsC.heldD.holding（）13.A.outsideB.insideC.besideD.near（）14.A.protectB.protectingC.toprotectD.protected（）15.A.evolveB.evolvedC.evolvesD.evolving（）16.A.adaptB.adoptC.changeD.turn（）17.A.teachB.learnC.giveD.show（）18.A.mustB.shouldC.willD.can（）19.A.saveB.savingC.tosaveD.saved（）20.A.letB.makeC.helpD.haveB篇（10小题，每题1分）JaguarsandCattle:APeacefulSolutionInColombia’shotsavannah,jaguarsoftenattackcattle.Ranchersusedtohuntandkillthejaguarstoprotecttheircows.Butthismadethejaguars21______endangered—onlyabout5,000areleftinthearea.AcharitycalledPantherahadasmartidea.Theysuggested22______thepanic-proneZebucattlewithabraverbreed.Thesenewcowsdon’trunawaywhenjaguarscome.Instead,theystandtogetherinagroup,23______theirhornstodefendthemselves.Fewjaguarsdare24______suchastronggroup.Theplanworkedwell.Ranchersnowlosefewercattle,andjaguarsaresafertoo.Thissolution25______bothanimalsandhumans.Itteachesusthatwedon’thavetofightwithwildlife.26______weunderstandtheirhabits,wecanfindwaystoliveinharmony.Weshouldrememberthateveryanimalplaysaroleinnature.Jaguarshelp27______thenumberofotheranimalsinbalance.Protectingthemmeansprotectingthewholeecosystem.Nowmoreranchersarejoiningtheprogram.They28______thatlivingwithwildlifeisbetterthanfightingagainstit.Let’shopethiskindofpeacefulsolution29______moreplacesaroundtheworld.Afterall,savingwildanimals30______savingourselves.（）21.A.becomeB.becomesC.becameD.becoming（）22.A.replaceB.replacingC.toreplaceD.replaced（）23.A.raiseB.raisingC.toraiseD.raised（）24.A.challengeB.challengingC.tochallengeD.challenged（）25.A.helpsB.helpswithC.helpsoutD.helpsfor（）26.A.IfB.WhenC.BecauseD.Though（）27.A.keepB.makeC.takeD.have（）28.A.realizeB.thinkC.believeD.hope（）29.A.reachesB.getsC.arrivesD.goes（）30.A.meanB.meansC.meantD.meaning三、补全对话（5小题，每题1分，共5分）根据对话内容，从方框中选择合适的句子补全对话。A:HiLily!OurclassisgoingtovisitthebotanicalgardennextFriday.Wouldyouliketojoinus?B:31______I’vealwayswantedtoseetherareplantsthere.A:Great!Thegardenhasmanyamazingplantsfromkarstareas.B:32______A:Weneedtofollowsomerules.Don’ttouchorpicktheplants—someareendangered.B:33______A:Also,weshouldkeepquietandtakenotesifwewant.Theguidewilltellusabouttheirsurvivalskills.B:34______A:We’llmeetattheschoolgateat8:00a.m.Don’tbelate!B:35______I’llbringmynotebookandcamera.A:Perfect!Seeyouthen.选项：A.Whatelseshouldwedo?B.Sure,I’dloveto!C.Iwon’t.Ipromisetofollowalltherules.D.Whenandwhereshallwemeet?E.Arethereanyspecialrulesweneedtofollow?F.Howmanyplantscanweseethere?G.Idon’tlikevisitinggardens.四、阅读理解（6篇，共20题，每题2分，共40分）A篇：RedwoodTrees—GiantsoftheForestRedwoodsaresomeofthemostamazingtreesonEarth.Theycangrowupto115meterstall—tallerthana30-storybuilding!Thesegiantscanliveforover2,000years.Theirthickbarkcanbeupto30centimeterswide,whichhelpsprotectthemfromfires.Redwoodsgrowincool,wetareasofNorthAmerica.Theyneedalotofrainandfogtosurvive.Onespecialthingaboutredwoodsisthattheycangrownewtreesfromtheirroots.Thismeansasingleredwoodcanformawholeforestofconnectedtrees.Manyredwoodforestsarenowprotectedinnationalparks.Peoplecomefromallovertheworldtoseetheseamazingplants.Wemustcontinuetoprotectthem,becausetheyarehometomanybirdsandanimals.（）36.Howtallcanredwoodsgrow?A.Upto30meters.B.Upto115meters.C.Upto200meters.D.Upto300meters.（）37.Whathelpsredwoodssurvivefires?A.Theirheight.B.Theirage.C.Theirthickbark.D.Theirroots.（）38.Whyareredwoodforestsimportant?A.Theybringalotofrain.B.Theyaregoodforbuilding.C.Theyarehometowildlife.D.Theygrowveryfast.B篇：Cheetahs—TheFastestLandAnimalsCheetahsareamazingbigcatswithaspecialskill—speed!Theyarethefastestlandanimals,abletorunupto112km/h.Theirbodiesarebuiltforspeed:longlegs,athinbody,andaflexiblespine.Unlikeotherbigcats,cheetahscan’troar.Theymakechirpingsoundsinstead.Theyusuallyhuntsmallanimalslikegazelles.Cheetahshuntduringtheday,whilemostotherbigcatshuntatnight.Thishelpsthemavoidcompetition.Sadly,cheetahsareendangered.Theirhabitatsarebeingdestroyedbyhumans.Manyarealsohuntedillegally.Conservationgroupsareworkinghardtoprotectcheetahs.Theysetupprotectedareasandteachpeopleabouttheimportanceoftheseamazinganimals.（）39.Whatischeetahs’specialskill?A.Roaringloudly.B.Climbingtrees.C.Runningveryfast.D.Huntingatnight.（）40.Whendocheetahsusuallyhunt?A.Inthemorning.B.Duringtheday.C.Atnight.D.Intheevening.（）41.Whyarecheetahsendangered?A.Theyhavenofood.B.Theirhabitatsaredestroyed.C.Theyaretooslow.D.Theycan’tadapttotheenvironment.（）42.Whatareconservationgroupsdoingtoprotectcheetahs?A.Huntingotherbigcats.B.Buildingmorecities.C.Settingupprotectedareas.D.Sellingcheetahsaspets.C篇：Moss—TinyPlantswithBigRolesMossisasmall,greenplantthatgrowsindampplaces.Youcanfinditonrocks,trees,andtheground.Unlikemostplants,mossdoesn’thaveroots.Itabsorbswaterandnutrientsdirectlythroughitsleaves.Mossplaysanimportantroleinnature.Ithelpspreventsoilerosionbyholdingsoiltogether.Italsoprovidesfoodandshelterforsmallanimalslikesnailsandinsects.Whenmossdies,itturnsintosoilthathelpsotherplantsgrow.Mossisveryadaptable.ItcangrowincoldplacesliketheArcticandhighmountains.Itdoesn’tneedmuchsunlight,soitcanliveinshadedareas.Thistinyplantshowsusthatevensmallthingscanmakeabigdifferenceintheecosystem.（）43.Howdoesmossgetwaterandnutrients?A.Throughitsroots.B.Throughitsleaves.C.Throughitsflowers.D.Throughitsstems.（）44.Whatroledoesmossplayinnature?A.Itcausessoilerosion.B.Itprovidesfoodforbiganimals.C.Ithelpsotherplantsgrow.D.Itneedsalotofsunlight.（）45.Wherecanmossgrow?A.Indrydeserts.B.IncoldArcticareas.C.Insaltyoceans.D.Inhotdeserts.D篇：Bamboo—AUsefulandAmazingPlantBambooisapopularplantthatgrowsinmanypartsoftheworld.It’snotatree—It’satypeofgrass!Bamboogrowsveryfast.Somekindscangrowupto1meterinasingleday.That’sfasterthananyotherplantonEarth.Bambooisveryusefulforhumans.Weuseittomakefurniture,paper,andevenclothes.Insomecountries,peopleeatbambooshootsasadeliciousvegetable.Bambooisalsogoodfortheenvironment.Itabsorbsalotofcarbondioxideandproducesoxygen.Manyanimalsdependonbambootoo.Pandaseatalmostnothingbutbamboo—theycaneatupto30kgaday!Otheranimalslikemonkeysandbirdsliveinbambooforests.Weneedtoprotectbambooforests,becausetheyareimportantforbothhumansandwildlife.（）46.Whatkindofplantisbamboo?A.Atree.B.Aflower.C.Agrass.D.Abush.（）47.Howfastcansomebamboogrow?A.Upto1meteraday.B.Upto10metersaday.C.Upto1meteraweek.D.Upto10metersamonth.（）48.Whatdopandaseatmainly?A.Meat.B.Bamboo.C.Fruit.D.Insects.（）49.Whyisbamboogoodfortheenvironment?A.Itproducesalotofcarbondioxide.B.Itabsorbscarbondioxide.C.Itneedsalotofwater.D.Itgrowsindeserts.E篇：ProtectingRhinos—SavingaGiantRhinosarelarge,amazinganimalswiththickskinandhorns.Therearefivetypesofrhinosintheworld,butallofthemareendangered.Themainreasonispoaching—hunterskillrhinosfortheirhorns,whicharesoldillegally.Rhinohornsaremadeofkeratin,thesamematerialashumannails.Butsomepeoplebelievetheyhavemedicalvalue,whichisnottrue.Toprotectrhinos,manycountrieshavemadepoachingillegal.Theyalsosetupprotectedareaswhererhinoscanlivesafely.Conservationistsareusingnewmethodstoprotectrhinos.Someputtrackingdevicesonrhinostomonitortheirmovements.Otherscutoffrhinos’hornssafelysopoacherswon’thuntthem.Withtheseefforts,rhinonumbersareslowlyincreasing.Wemustkeepworkingtosavetheseamazinganimals.（）50.Whyarerhinosendangered?A.Theyhavenofood.B.Theyarehuntedfortheirhorns.C.Theycan’tadapttotheenvironment.D.Theyaretoobig.（）51.Whatarerhinohornsmadeof?A.Bone.B.Gold.C.Keratin.D.Wood.（）52.Whatdoconservationistsdotoprotectrhinos?A.Theysellrhinohorns.B.Theymoverhinostocities.C.Theyputtrackingdevicesonrhinos.D.Theykillpoachers.F篇：HumansandNature—LivinginHarmonyNatureisfullofamazingplantsandanimals.Buthumanactivitiesarehurtingmanyofthem.Deforestationdestroysanimalhabitats.Pollutionmakesriversandoceansunsafeforfish.Climatechangecausestheicetomelt,endangeringpolarbears.Wecandomanythingstoprotectnature.First,wecanplantmoretreestoreplacetheoneswecutdown.Second,weshouldreduceplasticuse,becauseplasticharmsoceananimals.Third,wecansupportconservationgroupsbydonatingmoneyorvolunteering.Everysmallactioncounts.Ifwestoplittering,savewater,andrespectwildlife,wecanhelpprotectamazingplantsandanimals.Remember,wesharetheEarthwiththesecreatures.Protectingthemisprotectingourselvesandourfuture.53.Whatarethethreatstoplantsandanimalsmentionedinthetext?__________________54.Whatcanwedotoprotectnatureaccordingtothetext?__________________55.Whyisitimportanttoprotectplantsandanima