2026学年八年级英语下册第五单元核心考点第一次月考含答案及解析

2026学年八年级英语下册第五单元核心考点第一次月考含答案及解析考试时长：120分钟满分：100分班级：__________姓名：__________学号：__________得分：__________考核对象：八年级学生难度等级：中等级别总分：100分一、单选题（总共10题，每题2分，总分20分）1.Whatdoes"sustainabledevelopment"meanaccordingtotheunit?A.Developmentthatignoresenvironmentalprotection.B.Developmentthatmeetscurrentneedswithoutharmingfuturegenerations.C.Developmentthatfocusesonlyoneconomicgrowth.D.Developmentthatrequiresminimalgovernmentinvolvement.2.WhichofthefollowingisNOTatypicalproblemcausedbypollution?A.Airpollutionleadingtorespiratorydiseases.B.Waterpollutionmakingriversunsafeforfishing.C.Noisepollutionimprovingsleepquality.D.Plasticwasteharmingmarineanimals.3.Thephrase"takeaction"inthecontextofenvironmentalprotectionmeans:A.Donothingandwaitforotherstosolvetheproblem.B.Discusstheproblembutavoidpracticalsteps.C.Engageinactivitiestoprotecttheenvironment.D.Ignoresmallcontributionsandfocusonbigprojects.4.Whatisa"renewableenergysource"?A.Coal.B.Naturalgas.C.Solarenergy.D.Nuclearenergy.5.Theunitsuggeststhatindividualscancontributetoenvironmentalprotectionby:A.Onlyparticipatinginlarge-scaleprotests.B.Reducingwaste,savingenergy,andusingpublictransport.C.Avoidingallmoderntechnologies.D.Relyingsolelyongovernmentpolicies.6.Whatdoes"climatechange"primarilyreferto?A.Changesinweatherpatternsduetohumanactivities.B.Naturalvariationsinseasonaltemperatures.C.Short-termfluctuationsindailyweather.D.ThemovementofEarth'saxis.7.Theunitemphasizestheimportanceof:A.Competingwithothercountriesforresources.B.Preservingbiodiversityforfuturegenerations.C.Maximizingeconomicprofitatanycost.D.Reducinginternationalcooperation.8.Whatisa"carbonfootprint"?A.Thetotalamountofcarbondioxidereleasedbyaperson'sactivities.B.Theweightofcarbonstoredinaforest.C.Themeasurementofcarbonusageinafactory.D.Theamountofcarbonabsorbedbyoceans.9.Theunitmentionsthatmanyenvironmentalproblemsarecausedby:A.Naturaldisasterslikeearthquakes.B.Humanactivitiessuchasdeforestationandindustrialization.C.Governmentpoliciesaimedateconomicgrowth.D.Theactionsofafewwealthyindividuals.10.Whatisthemaingoalof"greentechnology"?A.Toincreasetheuseoffossilfuels.B.Todevelopenvironmentallyfriendlysolutions.C.Tomaketechnologymoreexpensive.D.Toreplacealltraditionaltechnologiesimmediately.参考答案：1.B2.C3.C4.C5.B6.A7.B8.A9.B10.B---二、填空题（总共10题，每题2分，总分20分）1.Toprotecttheenvironment,weshould_______wasteandrecyclemore.2._______energycomesfromthesunandisrenewable.3.Theunitdiscussestheimpactof_______onwildlife.4.A_______isanactiontakentoimprovetheenvironment.5._______pollutionaffectstheairwebreathe.6.Toreduceour_______,wecanwalkorbikeinsteadofdriving.7.Theunithighlightstheneedfor_______cooperationtosolveglobalissues.8._______forestsarecrucialforabsorbingcarbondioxide.9.Thephrase"sustainabledevelopment"meansmeetingpresentneedswithout_______futuregenerations.10._______isamajorthreattomarineecosystems.参考答案：1.reduce2.solar3.pollution4.solution5.air6.carbonfootprint7.international8.tropical9.harming10.plasticwaste---三、判断题（总共10题，每题2分，总分20分）1.Environmentalproblemsareonlycausedbyindustrialactivities.(×)2.Renewableenergysourcesareinfiniteandwillneverrunout.(√)3.Individualactionshavenosignificantimpactonenvironmentalprotection.(×)4.Climatechangeisanaturalprocessthathumanscannotinfluence.(×)5.Deforestationhelpsreduceairpollution.(×)6.Greentechnologyaimstoreplacealltraditionaltechnologies.(×)7.Acarbonfootprintmeasurestheamountofwasteapersonproduces.(×)8.Sustainabledevelopmentprioritizeseconomicgrowthoverenvironmentalprotection.(×)9.Noisepollutionhasnonegativeeffectsonhumanhealth.(×)10.Theunitsuggeststhatgovernmentsshouldsolveallenvironmentalproblems.(×)参考答案：1.×2.√3.×4.×5.×6.×7.×8.×9.×10.×---四、简答题（总共3题，每题4分，总分12分）1.Whatarethreewaysindividualscanhelpprotecttheenvironment?答案要点：-Reducewaste(e.g.,usereusablebags,recycle).-Saveenergy(e.g.,turnofflights,useenergy-efficientappliances).-Usepublictransportorwalk/biketoreducecarbonemissions.2.Explainthedifferencebetweenrenewableandnon-renewableenergysources.答案要点：-Renewableenergy(e.g.,solar,wind)issustainableandwillnotrunout.-Non-renewableenergy(e.g.,coal,oil)isfiniteandharmstheenvironment.3.Whyisbiodiversityimportantfortheenvironment?答案要点：-Biodiversityensuresecosystemstability.-Manymedicinesandresourcescomefromdiversespecies.-Lossofbiodiversitycanleadtoecologicalcollapse.---五、应用题（总共2题，每题9分，总分18分）1.Imagineyourschoolwantstobecomemoreenvironmentallyfriendly.Suggestthreespecificactionstheschoolcouldtakeandexplainwhyeachiseffective.答案要点：-Installsolarpanels:Reduceselectricitybillsandcarbonfootprint.-Startarecyclingprogram:Minimizeswastesenttolandfills.-Promotewalking/biking:Reducespollutionandencourageshealthyhabits.2.YouarewritingashortessayforyourEnglishclassaboutclimatechange.Whatarethreekeypointsyouwouldincludeinyourintroduction?答案要点：-Defineclimatechangeanditscauses(e.g.,greenhousegases).-Mentionitsglobalimpact(e.g.,risingsealevels,extremeweather).-Statewhyitisurgenttoaddress(e.g.,threatstoecosystemsandhumanlife).---标准答案及解析一、单选题解析1.B-Sustainabledevelopmentbalancescurrentneedswithfutureimpacts.2.C-Noisepollutiondisruptssleepandhealth,notimprovesit.3.C-"Takeaction"impliespracticalstepslikereducingwaste.4.C-Solarenergyisrenewable(vs.coal/naturalgas/nuclear).5.B-Smallactions(wastereduction,energysaving)matter.6.A-Climatechangeiscausedbyhumanactivities(e.g.,CO2emissions).7.B-Theunitfocusesonpreservingbiodiversity.8.A-CarbonfootprintmeasuresCO2emissionsfromactivities.9.B-Humanactivities(deforestation,industrialization)aremaincauses.10.B-Greentechnologyaimstobeeco-friendly.二、填空题解析1.reduce-Tocutdownwaste.2.solar-Arenewableenergysource.3.pollution-Affectswildlifehabitats.4.solution-Anactiontosolveenvironmentalissues.5.air-Pollutionharmsbreathing.6.carbonfootprint-Measuresenvironmentalimpact.7.international-Globalcooperationisneeded.8.tropical-RainforestsabsorbCO2.9.harming-Sustainabledevelopmentavoidsfutureharm.10.plasticwaste-Amajorenvironmentalthreat.三、判断题解析1.×-Naturaldisastersalsocauseenvironmentalissues.2.√-Solarenergyisinexhaustible.3.×-Smallactionscollectivelymakeadifference.4.×-Humanactivitiesaccelerateclimatechange.5.×-Deforestationreducesoxygenproduction.6.×-Greentechnologycomplements,notreplaces,traditionaltech.7.×-Carbonfootprintmeasuresemissions,notwaste.8.×-Sustainabledevelopmentbalanceseconomyandenvironment.9.×-Noisepollutioncausesstressandhealthissues.10.×-Individualsandbusinessesalsoplayroles.