2026学年八年级英语下册第五单元必背知识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必背知识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：__________一、单选题（总共10题，每题2分，总分20分）1.Whatdoes"sustainabledevelopment"meanaccordingtotheunit?A.Developmentthatignoresenvironmentalprotection.B.Developmentthatbenefitsonlydevelopedcountries.C.Developmentthatmeetspresentneedswithoutharmingfuturegenerations.D.Developmentthatfocusesonlyoneconomicgrowth.2.WhichofthefollowingisNOTaproblemmentionedinUnit5abouttheenvironment?A.Airpollution.B.Waterscarcity.C.Overpopulation.D.Deforestation.3.Thephrase"takeaction"intheunitisclosestto:A.Donothing.B.Waitforotherstosolvetheproblem.C.Startdoingsomethingtohelp.D.Ignoretheproblembecauseit’stoobig.4.Whatisthemainideaofthepassageaboutrecycling?A.Recyclingisunnecessary.B.Recyclingcanhelptheenvironment.C.Recyclingistooexpensive.D.Recyclingisonlyforrichcountries.5.Theword"pollute"intheunitmeans:A.Clean.B.Protect.C.Contaminate.D.Preserve.6.Whichsentencebestdescribesthemeaningof"globalwarming"?A.ItiswhentheEarthgetscolder.B.ItiswhentheEarth’stemperaturerises.C.Itiswhenanimalsgoextinct.D.Itiswhenhumansusetoomuchenergy.7.Theunitsuggeststhatindividualscanhelptheenvironmentby:A.Usingmoreplasticproducts.B.Reducingwaste.C.Drivingmorecars.D.Ignoringenvironmentalissues.8.Whatisthepurposeoftheunit’sreadingpassage?A.Toentertainstudentswithstories.B.Toteachgrammarrules.C.Toinformaboutenvironmentalproblems.D.Topromotetourism.9.Theunitemphasizesthatenvironmentalproblems:A.Onlyaffectpoorcountries.B.Aretoocomplextosolve.C.Requireglobalcooperation.D.Willsolvethemselvesovertime.10.Whichofthefollowingisasustainablepracticementionedintheunit?A.Usingdisposablecutlery.B.Plantingtrees.C.Leavinglightsonallnight.D.Buyingproductswithexcessivepackaging.二、填空题（总共10题，每题2分，总分20分）1.Theunitdiscussestheimportanceof_______toprotecttheplanet.2.Onewaytoreduce_______isbyusingpublictransportation.3.Theunitintroducestheconceptof_______development.4._______isamajorcauseofairpollution.5.Recyclinghelpstoreduce_______inlandfills.6.Theunitencouragesstudentsto_______forabetterenvironment.7._______iswhentheEarth’stemperatureincreasesduetogreenhousegases.8.Theunithighlightstheneedfor_______effortstosolveenvironmentalissues.9.Usingreusablebagscanhelpreduce_______.10.Theunitmentionsthat_______canbeathreattowildlife.三、判断题（总共10题，每题2分，总分20分）1.Theunitonlyfocusesonproblemsanddoesnotmentionsolutions.(×)2.Recyclingisnoteffectiveinreducingenvironmentalpollution.(×)3.Theunitsuggeststhatindividualactionsdonotmatter.(×)4.Globalwarmingiscausedbynaturalprocessesonly.(×)5.Theunitrecommendsusingmoreplasticproductstoreducewaste.(×)6.Sustainabledevelopmentensuresthatfuturegenerationshaveresources.(√)7.Theunitmentionsthatenvironmentalproblemsaremainlyindevelopingcountries.(×)8.Reducingenergyconsumptionhelpsfightglobalwarming.(√)9.Theunitdiscussestheroleofgovernmentsinsolvingenvironmentalissues.(√)10.Theunitdoesnotmentiontheimpactofdeforestationonanimals.(×)四、简答题（总共4题，每题4分，总分16分）1.Explainthedifferencebetween"sustainabledevelopment"and"uncontrolleddevelopment."2.Whatarethreewaysindividualscanhelpreducepollution?3.Describetheconceptof"globalwarming"anditseffects.4.Whyisrecyclingimportantfortheenvironment?五、应用题（总共4题，每题6分，总分24分）1.Imagineyouarewritingashortparagraphabouthowyourschoolcanbecomemoreenvironmentallyfriendly.Writeatleastfoursentences,includingonesuggestionforreducingwasteandoneforsavingenergy.2.Readthefollowingscenario:Alocalcommunityisdiscussingwhethertoallowanewfactorythatproduceschemicals.Thefactorypromisesjobsbutmaypollutethenearbyriver.Writetwosentencesexpressingyouropinionandonesuggestionforminimizingtheenvironmentalimpact.3.Theunitmentionsthattreeshelpreducecarbondioxide.Explainintwosentenceshowtreescontributetothisprocess.4.Writeashortparagraph(atleastfivesentences)describingwhatyouwoulddoifyounoticedsomeonelitteringinapublicpark.Includeatleastoneactionyouwouldtaketoencouragethemtochangetheirbehavior.【标准答案及解析】一、单选题1.C解析：Sustainabledevelopmentmeansmeetingpresentneedswithoutharmingfuturegenerations,whichalignswiththeunit’sfocus.2.C解析：Overpopulationisnotexplicitlymentionedasanenvironmentalproblemintheunit.3.C解析：Takeactionmeansstartingtodosomethingtohelp,assuggestedintheunit.4.B解析：Thepassageaboutrecyclingemphasizesitsbenefitsfortheenvironment.5.C解析：Pollutemeanstocontaminate,asusedintheunit.6.B解析：GlobalwarmingreferstotheriseinEarth’stemperatureduetogreenhousegases.7.B解析：Theunitencouragesreducingwasteasanindividualaction.8.C解析：Thepurposeofthereadingpassageistoinformaboutenvironmentalproblems.9.C解析：Theunithighlightstheneedforglobalcooperationtosolveenvironmentalissues.10.B解析：Plantingtreesisasustainablepracticementionedintheunit.二、填空题1.Takingaction解析：Theunitemphasizestheimportanceofindividualactionstoprotecttheplanet.2.Pollution解析：Usingpublictransportationreducespollution,asstatedintheunit.3.Sustainable解析：Theunitintroducessustainabledevelopmentasakeyconcept.4.Cars解析：Carsareamajorcauseofairpollution,asdiscussedintheunit.5.Waste解析：Recyclingreduceswasteinlandfills,asmentionedintheunit.6.Takeaction解析：Theunitencouragesstudentstotakeactionforabetterenvironment.7.Globalwarming解析：GlobalwarmingisdefinedastheincreaseinEarth’stemperature.8.Global解析：Theunitstressestheneedforglobaleffortstosolveenvironmentalissues.9.Plastic解析：Usingreusablebagsreducesplasticwaste,assuggestedintheunit.10.Deforestation解析：Theunitmentionsdeforestationasathreattowildlife.三、判断题1.×解析：Theunitincludessolutionstoenvironmentalproblems,notjustproblems.2.×解析：Recyclingiseffectiveinreducingenvironmentalpollution,asstatedintheunit.3.×解析：Theunitemphasizesthatindividualactionsmatter.4.×解析：Globalwarmingiscausedbyhumanactivitiesandnaturalprocesses.5.×解析：Theunitrecommendsreducingplasticuse,notincreasingit.6.√解析：Sustainabledevelopmentensuresfutureresourcesareavailable.7.×解析：Environmentalproblemsaffectbothdevelopedanddevelopingcountries.8.√解析：Reducingenergyconsumptionhelpsfightglobalwarming.9.√解析：Theunitdiscussestheroleofgovernmentsinenvironmentalsolutions.10.×解析：Theunitmentionstheimpactofdeforestationonanimals.四、简答题1.Sustainabledevelopmentfocusesonmeetingpresentneedswithoutharmingfuturegenerations,whileuncontrolleddevelopmentprioritizesimmediategrowthwithoutconsideringlong-termconsequences.2.Threewaystoreducepollutionare:reducingwastebyrecycling,usingpublictransportationtocutdownoncaremissions,andconservingenergytoreduceindustrialpollution.3.GlobalwarmingistheincreaseinEarth’stemperatureduetogreenhousegases,leadingtoclimatechange,extremeweather,andrisingsealevels.4.Recyclingreduceswasteinlandfills,conservesnaturalresources,andreducespollutionbyreusingmaterials.五、应用题1.Ourschoolcanbecomemoreenvironmentallyfriendlybyencouragingrecyclinginclassrooms,installingenergy-efficientlights,andorganizingtree-plantingdays.Reducingwasteisimportan