2025-2026年贵州省北师大版高三英语上册第6单元课后练习题

2025-2026年贵州省北师大版高三英语上册第6单元课后练习题一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit6,whichofthefollowingstatementsbestdescribestherelationshipbetweensocialmediaandmentalhealth?A.Socialmediaplatformsareentirelybeneficialformentalwell-beingastheyprovideendlessentertainment.B.Theexcessiveuseofsocialmediahasbeenscientificallyproventodeterioratementalhealth,especiallyamongteenagers.C.Socialmediausageisneutral;itcaneitherimproveorharmmentalhealthdependingonindividualhabits.D.Mentalhealthissuesareprimarilycausedbysocialmedia,butnostudieshaveshownadirectcorrelation.解析：本题考查单元核心主题“社交媒体与心理健康”。选项A过于绝对，与单元中“适度使用有益”的观点矛盾；选项B符合单元中“过度使用可能导致焦虑、抑郁”的论点，但表述绝对化；选项C最准确，单元中强调“平衡使用”的重要性；选项D错误，单元明确指出有研究支持相关性。正确答案为C，体现单元中辩证分析的态度。2.Inthereadingpassage,whatistheauthor'smainpurposeindiscussingthecaseofEmma,ahighschoolstudent?A.Toarguethatsocialmediashouldbecompletelybannedinschools.B.Toillustratehowsocialmediacannegativelyimpactteenagers'self-esteem.C.Topromotetheuseofsocialmediaforeducationalpurposes.D.Tocriticizeparentsfornotmonitoringtheirchildren'ssocialmediaactivity.解析：单元中Emma的案例用具体事例说明“网络欺凌与自我认知下降”的关系。选项B准确反映案例主旨，而A、C、D偏离单元论点。正确答案为B，体现单元中“案例论证”的写作手法。3.Accordingtotheunit'sgrammarsection,whichsentencecorrectlyusesthepassivevoicetodescribetheexperimentconductedbytheresearchers?A.Theresultswereanalyzedbythestudentsyesterday.B.Theexperimentwasconductedbytheresearcherslastweek.C.Wewillbetestedbytheteachertomorrow.D.ThedatawascollectedbytheminMay.解析：单元语法重点为“被动语态的构成（be+done）”。选项A、C、D存在时态或主谓不一致错误。选项B符合被动语态规范，且与单元中“研究方法”主题相关。正确答案为B，考查单元语法应用。4.Whatdoestheunitemphasizeabouttheroleofvocabularyineffectivecommunication?A.Themorewordsoneknows,thebetterthecommunicatortheyare.B.Vocabularyshouldonlybelearnedthroughreadingbooks.C.Abalancedrangeofwordsindifferentcontextsismoreimportantthansheerquantity.D.Technicaljargonisthekeytopersuasivewriting.解析：单元中强调“词汇的多样性”而非“数量堆砌”。选项A、B、D过于片面。选项C符合单元观点，即“语境适配性”。正确答案为C，体现单元语言技能训练重点。5.Howdoestheunitsuggeststudentsimprovetheirspeakingfluency?A.Bymemorizingdialoguesword-for-wordandrecitingthem.B.Byavoidingspeakinguntiltheymastereverygrammarruleperfectly.C.Throughregularpracticeinreal-lifesituationsandlisteningtonativespeakers.D.Byonlyparticipatinginformaldebatestobuildconfidence.解析：单元口语部分强调“沉浸式练习”。选项A、B、D方法单一或错误。选项C符合单元建议，结合“输入与输出”理论。正确答案为C，体现单元实践性教学理念。6.Intheunit'swritingtask,whichstructureismostrecommendedforanargumentativeessay?A.Introduction-Body-Conclusionwithnosubheadings.B.Introduction-Threesupportingparagraphs-Counterargument-Conclusion.C.Chronologicalorderofeventswithdescriptivelanguageonly.D.Question-Answerformatwithbulletpoints.解析：单元写作指导明确“论证结构”。选项A缺乏逻辑层次；选项C仅限描述；选项D不符合正式写作。选项B符合单元“分点论证”要求。正确答案为B，体现单元写作技能训练。7.Whatistheprimaryfunctionoftheidiomaticexpression"breaktheice"asexplainedintheunit?A.Todescribethephysicalactofshatteringaglass.B.Toindicatetheendofacoldperiodinweather.C.Tohelppeoplefeelcomfortableinsocialsituations.D.Tobreakatreatybetweencountries.解析：单元词汇部分重点为“习语辨析”。选项A、B、D与习语含义无关。选项C准确反映“破冰”的社交意义。正确答案为C，体现单元语言文化教学目标。8.Howdoestheunitaddresstheissueofculturaldifferencesincommunication?A.Byrecommendingavoidingallnon-verbalgestures.B.Byprovidingauniversalsetofcommunicationrulesforallcultures.C.Byexplainingthatdirectnessisalwaysmoreeffectivethanindirectness.D.Byhighlightingtheimportanceofadaptingcommunicationstylestocontext.解析：单元文化部分强调“跨文化适应性”。选项A、B、C过于绝对。选项D符合单元观点，即“情境化沟通”。正确答案为D，体现单元跨学科融合。9.Accordingtotheunit'slisteningsection,whatshouldstudentsfocusonwhenidentifyingthemainideaofaspeech?A.Thenumberofwordsspokenbythespeaker.B.Theemotionaltoneofthespeaker'svoice.C.Therepeatedkeyphrasesorsentences.D.Thebackgroundmusicplayedduringthespeech.解析：单元听力技巧指导“抓核心信息”。选项A、B、D无关。选项C符合单元方法，即“关键词定位”。正确答案为C，体现单元听力训练重点。10.Whatistheunit'srecommendedstrategyfordealingwithexamanxiety?A.Crammingallthematerialthenightbefore.B.Avoidingstudyingaltogetherandrelyingonluck.C.Practicingrelaxationtechniquesandplanningstudyschedules.D.Askingteachersforextratimewithoutpreparation.解析：单元心理健康部分建议“科学备考”。选项A、B、D不可行。选项C符合单元方法，即“身心调节”。正确答案为C，体现单元综合素养培养。二、填空题（总共10题，每题2分，共20分）1.Thestudyfoundthatexcessiveuseofsocialmedialeadstoincreasedfeelingsof_______amongteenagers,astheycomparetheirlivestoothers'carefullycuratedonlineimages.参考答案：insecurity解析：单元阅读中提到“社交比较导致不安全感”，空格处填入核心词汇。2.Toimproveyourspeakingfluency,theunitsuggestspracticingwithapartnerand_______yourmistakeswithoutself-criticism.参考答案：accepting解析：单元口语部分强调“错误接纳”，空格处填入动词原形。3.Theidiom"hitthenailonthehead"meansto_______exactlywhatisimportantorcorrect.参考答案：describe解析：单元习语讲解中，该习语意为“精准描述”，空格处填入动词原形。4.Inargumentativewriting,itisessentialtoprovide_______tosupportyourclaims,suchasstatisticsorexpertopinions.参考答案：evidence解析：单元写作指导中，论证需“证据支撑”，空格处填入名词。5.Theunit'sgrammarsectionexplainsthatthepassivevoiceisoftenusedwhenthe_______isunknownorunimportant.参考答案：doer解析：单元语法中说明被动语态主语特点，空格处填入名词。6.Whenwritinganemail,theunitadvisesstartingwitha_______greetinglike"DearSir/Madam"tomaintainprofessionalism.参考答案：formal解析：单元写作中强调商务邮件“正式称谓”，空格处填入形容词。7.Thelisteningpassagementionedthatnon-verbalcommunicationcanvarysignificantlyacross_______.参考答案：cultures解析：单元文化部分指出“非语言符号跨文化差异”，空格处填入名词复数。8.Toenhancevocabularyretention,theunitrecommendsusingnewwordsin_______sentencesorstories.参考答案：your解析：单元词汇策略中，强调“语境应用”，空格处填入限定词。9.Theunit'sspeakingtaskencouragesstudentsto_______theiropinionsconfidently,eveniftheydifferfromothers.参考答案：express解析：单元口语部分强调“观点表达”，空格处填入动词原形。10.ThepassageaboutEmma'sexperiencehighlightsthenegativeimpactofcyberbullyingonteenagers'_______.参考答案：mentalhealth解析：单元案例中，网络欺凌影响“心理健康”，空格处填入名词短语。三、判断题（总共10题，每题2分，共20分）1.Theunitsuggeststhatsocialmediaplatformsareentirelyharmfultoteenagers'mentalhealth.参考答案：×解析：单元观点为“适度使用有益”，而非绝对负面，故错误。2.Accordingtotheunit,passivevoiceshouldneverbeusedinacademicwritingbecauseitsoundsweak.参考答案：×解析：单元语法中，被动语态在特定情况下（如强调动作而非施动者）是可接受的，故错误。3.Theidiom"pieceofcake"meanssomethingextremelydifficulttoaccomplish.参考答案：×解析：该习语意为“易如反掌”，与题干描述相反，故错误。4.Theunitrecommendsmemorizinglongdialoguestoimprovespeakingfluencywithoutpayingattentiontopronunciation.参考答案：×解析：单元强调“发音与流利度并重”，而非仅背诵，故错误。5.Inargumentativeessays,itisunnecessarytoaddressopposingviewpointsbecausetheyarealwaysincorrect.参考答案：×解析：单元写作指导中，承认“反驳论证”的重要性，故错误。6.Theunitsuggeststhatculturaldifferencesincommunicationhavenoimpactoninternationalbusinessnegotiations.参考答案：×解析：单元文化部分明确指出“跨文化沟通影响商业”，故错误。7.Listeningskillscanbeimprovedbyfocusingonlyonthespeaker'svoicetoneandignoringthecontent.参考答案：×解析：单元听力技巧强调“内容与情感并重”，故错误。8.Theunitadvisesstudentstoavoidanyformofstressbeforeexams,asitisharmfultoperformance.参考答案：×解析：单元心理健康部分指出“适度压力可提升表现”，故错误。9.Theunit'svocabularysectionfocusessolelyonacademicwords,excludingeverydayexpressions.参考答案：×解析：单元词汇涵盖“生活与学术”，故错误。10.ThecaseofEmmaintheunitprovesthatsocialmediahasnopositiveeffectsonteenagers'lives.参考答案：×解析：案例仅展示负面影响，单元整体观点为“辩证看待”，故错误。四、简答题（总共8题，每题2分，共16分）1.Explainhowtheunitaddressesthepsychologicaleffectsofsocialmediaonteenagers.参考答案：-分析“社交比较”导致“自卑感”-讨论“网络欺凌”与“焦虑症”关联-提出平衡使用策略（如限制使用时间）-强调“积极内容”的潜在益处解析：需结合单元阅读与心理健康部分，分点论述，体现“辩证分析”视角。2.Describethreewaystheunitsuggestsimprovingwritingfluency.参考答案：-定期写作练习（如日记或邮件）-使用“思维导图”规划结构-学习“过渡词”增强逻辑性解析：需覆盖单元写作技巧模块，避免遗漏重点。3.Whatisthedifferencebetweenactiveandpassivevoiceaccordingtotheunit?Provideanexampleofeach.参考答案：-主动：强调施动者（如Theteachercorrectedthemistake）-被动：强调动作或受动者（如Themistakewascorrectedbytheteacher）解析：需准确区分语法概念，并给出单元中对应的例句。4.Howdoestheunithelpstudentsunderstandculturaldifferencesincommunication?参考答案：-介绍“非语言符号”差异（如手势）-分析“直接与间接”表达方式-提供跨文化交际建议（如观察语境）解析：需结合单元文化部分，体现“理论+实践”结合。5.ExplainthepurposeofusingidiomsinEnglishwriting,asdiscussedintheunit.参考答案：-增强表达生动性（如"breaktheice"）-显示语言能力（符合学术或社交需求）-传递文化内涵（如"hitthenailonthehead"）解析：需覆盖单元习语部分，避免仅谈表面意义。6.Whatarethekeycomponentsofastrongargumentativeessay,accordingtotheunit?参考答案：-清晰立场（Thesisstatement）-分点论证（至少3个论据）-反驳段落（承认对立观点）-结论总结（重申立场）解析：需结合单元写作指导，体现“结构化思维”。7.Howdoestheunitaddressexamanxiety,andwhatstrategiesdoesitrecommend?参考答案：-认知调整（如积极心理暗示）-行为策略（如分块学习）-放松技巧（如深呼吸）-时间管理（避免临时抱佛脚）解析：需覆盖单元心理健康部分，体现“多维度干预”。8.Describetheunit'sapproachtoimprovinglisteningskillsforacademicpurposes.参考答案：-抓关键词（如信号词）-区分主次信息（如例子与结论）-模拟考试题型（如讲座笔记）-培养预测能力（根据上下文）解析：需结合单元听力技巧，体现“应试与能力并重”。五、应用题（总共8题，每题4分，共24分）1.CaseStudy:Ahighschoolstudent,Liam,spends4hoursdailyonsocialmedia.Heoftenfeelsupsetafterseeingpeers'postsaboutpartieshemissed.-WhatadvicewouldyougiveLiambasedontheunit'scontent?参考答案：-限制使用时间（如每天2小时）-转移注意力（如运动或阅读）-调整认知（如“他人生活非全部”）-寻求支持（如与朋友或老师沟通）解析：需结合单元“社交媒体与心理健康”部分，提供具体干预方案。2.WritingTask:Writeashortparagraph(50words)explainingwhyusingpassivevoiceissometimeseffectiveinacademicwriting.参考答案：Passivevoiceisusefulwhentheactorisunknown(e.g.,"Theexperimentwasconducted").Italsosoundsmoreformal,whichispreferredinscientificpapers.Avoidingitwouldberepetitiveiftheactorisirrelevant.解析：需体现单元语法观点，并给出学术场景应用示例。3.GrammarApplication:Rewritethefollowingsentenceusingthepassivevoice:"Thecommitteewillreviewtheproposalnextweek."参考答案：Theproposalwillbereviewedbythecommitteenextweek.解析：需准确转换语态，符合单元被动语态规则。4.VocabularyinContext:Completethesentencewiththecorrectidiom:"Herexplanationwassoprecisethatit_______thecoreissue."参考答案：hitthenailonthehead解析：需结合单元习语讲解，选择最贴切的表达。5.ListeningSimulation:If