2025-2026年重庆市北师大版高中英语完形填空专项训练试卷

2025-2026年重庆市北师大版高中英语完形填空专项训练试卷1.Inthepassage,theword"elusive"isclosestinmeaningto______.A.difficulttounderstandB.easilyforgottenC.hardtocatchD.oftenchanging（解析：根据第7单元课文《TheMysteryoftheVanishingAnimals》，作者用elusive形容动物消失的谜团难以捉摸，故选C。其他选项A侧重理解难度，B侧重记忆，D侧重变化性，均与原文语境不符。）2.Thesentence"Despitealltheefforts,theproblemremains______."shouldbefilledwith______.A.unsolvedB.solvedC.solvingD.solvedly（解析：根据语法规则，动词需用过去分词作形容词修饰名词，故选A。B和D形式错误，C缺少介词。）3.Inthestory,whydidthescientistsdecidetostudythepolarbears'behavioratnight?A.Becausetheywerecuriousabouttheireatinghabits.B.Becausethebearsweremoreactiveduringtheday.C.Becausethetemperaturewasloweratnight.D.Becausetheywantedtoobservetheirsocialinteractions.（解析：根据第8单元课文《NightWatchintheArctic》，科学家发现北极熊夜间捕食效率更高，故选A。B与原文相反，C非研究重点，D未提及。）4.Thephrase"aturningpointinhistory"implies______.A.asmallchangeB.asignificanteventC.atemporarypauseD.afutureprediction（解析：根据第7单元《WorldWarII:ATurningPoint》内容，历史转折点指重大事件，故选B。其他选项A程度不足，C非转折特征，D无时间性。）5.Whatisthemainideaofthepassageaboutclimatechange?A.Itiscausedbyhumanactivities.B.Ithasnoeffectonpolarregions.C.Itcanbesolvedbytechnologyalone.D.ItisanaturalprocessofEarth'shistory.（解析：根据第8单元《ClimateChangeandPolarBears》，文章强调人类活动是主因，故选A。B与科学共识矛盾，C过于绝对，D忽略人类加速作用。）6.Thesentence"Theexperimentwas______,buttheresultsweresurprising."shouldbefilledwith______.A.successfulB.unsuccessfulC.expectedD.predictable（解析：根据语法结构，空格需填形容词，结合上下文转折关系，故选B。其他选项与"surprising"矛盾。）7.Inthestory,whydidthelocalpeoplerefusetohelpthescientistsatfirst?A.Becausetheydidnottrustthem.B.Becausetheywerebusywiththeirownwork.C.Becausetheydidnotunderstandtheproblem.D.Becausetheyfearedlosingtheirjobs.（解析：根据第7单元《TheStruggleforEnvironmentalProtection》，当地居民因文化差异不信任外来者，故选A。其他选项未提及。）8.Theword"resilient"inthepassagedescribes______.A.astrongabilitytoadaptB.atendencytogiveupC.alackofknowledgeD.afearofchange（解析：根据第8单元《SurvivinginHarshEnvironments》，作者用resilient形容动物适应极端环境的能力，故选A。其他选项与原文相反。）9.Thepassagesuggeststhattheproblemofendangeredspeciesis______.A.onlyalocalissueB.causedbyonecountryC.aglobalchallengeD.notseriousenough（解析：根据第7单元《GlobalWildlifeCrisis》，文章强调跨国合作必要性，故选C。其他选项范围过小或与原文矛盾。）10.Whatistheauthor'sattitudetowardthesolutiontoclimatechange?A.pessimisticB.optimisticC.neutralD.critical（解析：根据第8单元《HopefortheFuture》，作者列举科技与政策结合的方案，故选B。其他选项与文意不符。）1.Thestudyfoundthatpolarbears______theirhuntingskillswhenfoodwasscarce.（参考答案：developed）（解析：根据第8单元《AdaptationintheWild》，文章指出动物在压力下进化能力，故填developed。）2.Despitethe______,theteammanagedtocompletetheresearchontime.（参考答案：challenges）（解析：根据第7单元《OvercomingObstacles》例句，空格需填名词，故填challenges。）3.Thescientistexplainedthe______ofglobalwarminginsimpletermsforthestudents.（参考答案：consequences）（解析：根据第8单元《TheScienceofClimateChange》，文章强调后果教育，故填consequences。）4.Manyanimalshavebecome______duetohabitatdestruction.（参考答案：endangered）（解析：根据第7单元《TheRedList》内容，endangered是标准术语，故填endangered。）5.The______betweenthetwospeciesaffectstheentireecosystem.（参考答案：interaction）（解析：根据第8单元《FoodWebs》例句，生态学常用interaction描述关系，故填interaction。）6.Theexperimentwasdesignedtotestthe______ofthenewdrug.（参考答案：effectiveness）（解析：根据第7单元《MedicalDiscoveries》语法，空格需填名词，故填effectiveness。）7.Thelocalcommunityshowed______towardtheconservationproject.（参考答案：support）（解析：根据第8单元《CommunityInvolvement》例句，support与show搭配，故填support。）8.Theclimatechangereporthighlightstheneedfor______action.（参考答案：urgent）（解析：根据第7单元《GlobalAction》例句，urgent强调紧迫性，故填urgent。）9.Thedocumentaryshowedhowanimals______tosurviveinthedesert.（参考答案：adapt）（解析：根据第8单元《DesertLife》语法，空格需填动词原形，故填adapt。）10.Thescientist's______waspraisedbyhercolleaguesforitscreativity.（参考答案：research）（解析：根据第7单元《ScientificContributions》例句，空格需填名词，故填research。）1.Thepassagesuggeststhatallendangeredspeciesareindangerofextinction.（参考答案：正确）（解析：根据第7单元《TheRedList》定义，endangered指濒危状态，非已灭绝，故判断错误。）2.Climatechangeonlyaffectspolarregions,nototherpartsoftheworld.（参考答案：错误）（解析：根据第8单元《GlobalImpact》内容，气候变化影响全球，故判断错误。）3.Thescientist'sexperimentwassuccessfulbecausetheresultswerepredictable.（参考答案：错误）（解析：根据第7单元《UnexpectedDiscoveries》例句，实验成功与结果可预测无关，故判断错误。）4.Localcommunitiesalwayssupportconservationeffortswithoutanyhesitation.（参考答案：错误）（解析：根据第8单元《CommunityChallenges》内容，文化冲突常导致初期抵制，故判断错误。）5.Theword"elusive"means"clearandeasytounderstand."（参考答案：错误）（解析：根据第7单元《TheMysteryoftheVanishingAnimals》，elusive指难以捉摸，故判断错误。）6.Thepassageimpliesthattechnologyalonecansolveclimatechange.（参考答案：错误）（解析：根据第8单元《HumanResponsibility》观点，需政策与科技结合，故判断错误。）7.Polarbearsaremoreactiveatnightbecausetheyaremoresocialduringthattime.（参考答案：错误）（解析：根据第8单元《NightWatchintheArctic》，夜间活动与捕食效率相关，非社交，故判断错误。）8.Thescientist'sresearchwaseasybecausetheproblemwassimple.（参考答案：错误）（解析：根据第7单元《DifficultResearch》例句，研究难度与问题复杂度成正比，故判断错误。）9.Thepassagesuggeststhatallanimalscanadapttoclimatechange.（参考答案：错误）（解析：根据第8单元《VulnerableSpecies》内容，适应能力因物种而异，故判断错误。）10.Theauthorbelievesthatthecurrenteffortstoprotectwildlifeareenough.（参考答案：错误）（解析：根据第7单元《MoreNeedstoBeDone》观点，作者强调行动不足，故判断错误。）1.Accordingtothepassage,whatmakesclimatechangeaglobalchallenge?（参考答案：气候变化影响跨国界，如冰川融化导致海平面上升威胁沿海国家；生物多样性丧失破坏生态链；温室气体排放具有累积效应等。解析：需结合第8单元《GlobalImpact》分析多国关联性、生态链影响及长期性。）2.Whydidthelocalpeopleinthestoryinitiallyrefusetohelpthescientists?（参考答案：文化差异导致不信任；担心外来者破坏传统生活方式；缺乏对问题的科学认知等。解析：需结合第7单元《TheStruggleforEnvironmentalProtection》分析社会因素。）3.Whatisthedifferencebetween"endangered"and"extinct"?（参考答案：endangered指濒危状态，尚存少量个体；extinct指物种完全消失。解析：需结合第7单元《TheRedList》术语对比。）4.Howdoanimalsadapttosurviveinharshenvironments?（参考答案：生理适应（如骆驼储水）；行为适应（如北极熊换毛）；繁殖策略（如沙漠动物夜间活动）等。解析：需结合第8单元《AdaptationintheWild》分类。）5.Whyisitimportanttostudyanimalbehaviorinthewild?（参考答案：了解生态需求；预测气候变化影响；制定保护策略；促进科学研究等。解析：需结合第7单元《WildlifeResearch》意义。）6.Whatdoesthephrase"aturningpointinhistory"meaninthecontextofthepassage?（参考答案：指重大事件改变发展方向，如二战加速科技发展；工业革命改变社会结构等。解析：需结合第7单元《WorldWarII》分析转折特征。）7.Howcanstudentscontributetowildlifeconservation?（参考答案：学习相关知识；参与校园环保活动；宣传保护意识；减少浪费减少污染等。解析：需结合第8单元《YouthAction》实践建议。）8.Whatisthemainproblemwiththecurrentconservationefforts?（参考答案：资金不足；政策执行困难；公众参与度低；跨国合作障碍等。解析：需结合第7单元《Challenges》分析现实问题。）1.Readthefollowingpassageandfillintheblankswithappropriatewords(onewordperblank).Lastyear,ateamofscientistsdiscoveredararebirdspeciesintheAmazonrainforest.Thebirdwasthoughttobe______(1)fordecades.Theteamfounditby______(2)itsuniquecall.Thediscoverywasimportantbecausethespecieswaslistedas______(3)ontheRedList.However,theareawheretheyfoundthebirdisnowatriskof______(4)duetodeforestation.Thescientistsareworkingto______(5)thehabitatbeforeit'stoolate.Thelocalcommunityhasalsojoinedtheeffortto______(6)thebirdsfromhunters.Thisshowsthat______(7)canmakeadifferenceinconservation.（参考答案：1.extinct2.following3.endangered4.destruction5.protect6.protect7.teamwork）（解析：根据第8单元《NewDiscoveries》结构，填入extinct（灭绝）、following（追踪）、endangered（濒危）、destruction（破坏）、protect（保护）等术语，强调发现与保护的逻辑链。）2.Rewritethefollowingsentencetomakeitmoreconcise:"Thescientistexplainedtheconsequencesofglobalwarminginawaythatwaseasyforthestudentstounderstand."（参考答案：Thescientistsimplifiedtheconsequencesofglobalwarmingforthestudents.）（解析：需结合第7单元《ClearCommunication》语法，用simplify替代冗长表达。）3.Completethefollowingdialoguewithappropriatewords.Student:Idon'tunderstandwhypolarbearsareendangered.Teacher:It'sbecausetheir______(1)isshrinking,andtheycan'tfindenoughfood.Also,the______(2)ischanging,makingitharderforthemtosurvive.Ifwedon'tactnow,theymight______(3)forever.Student:Whatcanwedo?Teacher:Wecan______(4)toreducecarbonemissionsandsupportconservation______(5).Everylittlebithelps!（参考答案：1.habitat2.climate3.disappear4.contribute5.efforts）（解析：根据第8单元《OurResponsibility》内容，填入habitat（栖息地）、climate（气候）、disappear（消失）、contribute（贡献）、efforts（努力）等关键词。）4.Writeashortparagraph(50words)abouthowanimalsadapttodesertenvironments.（参考答案：Desertanimalshaveamazingadaptations.Camelsstorewaterintheirhumpstosurvivedroughts.Lizardsreducewaterlossbyburrowingunderground.Someplantshavespinestopreventwaterloss.Theseadaptationshelpthemsurviveextremeheatanddryness.）（解析：需结合第8单元《DesertLife》内容，用具体例子说明适应机制。）5.Completethefollowingsentencewithaproperadjective:"Thescientist's______researchwaspraisedforitscreativity."（参考答案：innovative）（解析：根据第7单元《ScientificContributions》例句，innovative（创新的）符合语境。）6.Rewritethefollowingsentencetocorrectthegrammar:"Theteamwassuccessfulbecausetheresultswassurprising."（参考答案：Theteamwassuccessfulbecausetheresultsweresurprising.）（解析：需结合第7单元《GrammarReview》规则，复数名词需用复数动词。）7.Completethefollowingsentencewithapropernoun:"Thedocumentaryshowedhowanimalsadapttosurviveinthe______."（参考答案：desert）（解析：根据第8单元《DesertLife》内容，填入desert（沙漠）符合案例背景。）8.Writeashortparagraph(50words)abouttheimportanceofteamworkinconservation.（参考答案：Teamworkiskeyinconservation.Scientists,localcommunities,andgovernmentsmustworktogether.Scientistsprovideexpertise;communitiesshareknowledge;governmentsenforcelaws.Withoutcollaboration,effortswillfail.）（解析：需结合第7单元《TheStruggleforEnvironmentalProtection》强调合作价值。）【标准答案及解析】一、单项选择题1.C2.A3.A4.B5.A6.B7.A8.A9.C10.B（解析：每题均需结合单元课文内容分析，干扰项设计为常见易错概念。）二、填空题1.developed2.challenges3.consequences4.endangered5.interaction6.effectiveness7.support8.urgent9.adapt10.research（解析：每题需填入单元核心词汇，注意语法结构。）