2025-2026年陕西省人教版高中英语高二年级上册第9单元课后练习题

2025-2026年陕西省人教版高中英语高二年级上册第9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.AccordingtothepassageinUnit9,whichofthefollowingstatementsbestdescribesthemainpurposeofthetext?Thepassagediscussestheimpactofsocialmediaonteenagers'mentalhealth,presentingbothpositiveandnegativeeffectswhilesuggestingwaystousesocialmediaresponsibly.A.Topersuadereaderstocompletelyabandonsocialmedia.B.Toentertainreaderswithhumorousstoriesaboutsocialmedia.C.Toinformreadersaboutthemixedeffectsofsocialmediaonteenagers.D.Tosellabookabouthowtomakemorefriendsonsocialmedia.2.InthegrammarsectionofUnit9,whichstructureismostcommonlyusedtoexpresshypotheticalsituations?Theunitfocusesonconditionalsentences,particularlythesecondandthirdconditions,explainingtheirusagewithexampleslike"IfIhadmoretime,Iwouldstudyharder."A.Presentperfectcontinuoustense.B.Futuresimpletense.C.Pastperfecttense.D.Secondconditionalstructure.3.ThereadingtaskinUnit9asksstudentstoanalyzeachartshowingteenagers'dailyscreentime.Whichskillisprimarilybeingtested?Thechartcomparestheaveragehoursspentonsocialmedia,homework,andphysicalactivitiesamonghighschoolstudents.A.Writingapersonaldiary.B.Makingaspeech.C.Interpretingdatafromagraph.D.Memorizingvocabularywords.4.InthewritingsectionofUnit9,studentsareaskedtowriteaformalemailtoaschoolmagazine.Whatshouldbethetoneoftheemail?Thetaskspecifiesthattheemailshoulddiscussthebenefitsofextracurricularactivitieswhilemaintainingapoliteandprofessionaltone.A.Casualandhumorous.B.Angryanddemanding.C.Formalandrespectful.D.Informalandfriendly.5.ThelisteningexerciseinUnit9featuresaconversationbetweentwostudentsdiscussingtheirweekendplans.Whatistheprimarypurposeofthisexercise?Theconversationincludesexpressionslike"Whatareyoudoingthisweekend?"and"I'mgoingtothelibrarytostudy."A.Toteststudents'abilitytocountmoney.B.Toassessstudents'knowledgeofworldhistory.C.Toevaluatestudents'abilitytounderstanddailyconversations.D.Tomeasurestudents'cookingskills.6.ThevocabularysectionofUnit9introduceswordslike"addictive,""beneficial,"and"overuse."Whichofthesewordsismostlikelytobeusedwhendiscussingthenegativeeffectsofsocialmedia?Theunitincludesapassageabouthowsocialmediacanbecomeaddictiveandleadtopoorsleephabits.A.Beneficial.B.Overuse.C.Addictive.D.Creative.7.InthespeakingactivityofUnit9,studentsareaskedtodebatewhethersocialmediaismoreharmfulorhelpful.Whatskillisbeingemphasized?Thedebaterequiresstudentstouseevidencefromtheunit'sreadingandlisteningmaterialstosupporttheirarguments.A.Singingasong.B.Drawingapicture.C.Debatingatopic.D.Playingasport.8.TheunittestinUnit9includesasectiononprepositions.Whichprepositionismostlikelytobetestedinthecontextoftime?Theunitcoversphraseslike"inthemorning,""onMonday,"and"at5o'clock."A.To.B.With.C.At.D.For.9.ThereadingpassageinUnit9mentionsastudyshowingthatteenagerswhousesocialmediaexcessivelyoftenexperienceanxiety.Whattypeoftextisthis?Thepassageincludesstatisticsandexpertopinionstosupporttheclaimthatsocialmediacannegativelyimpactmentalhealth.A.Apoem.B.Arecipe.C.Ascientificreport.D.Afairytale.10.ThewritingtaskinUnit9asksstudentstowriteaparagraphexplaininghowtousesocialmediaresponsibly.Whatshouldbethemainfocusoftheparagraph?Thetaskrequiresstudentstoincludetipssuchaslimitingscreentimeandbeingmindfulofonlineprivacy.A.Describingafavoritevacation.B.Explainingtherulesofagame.C.Givingadviceonsocialmediause.D.Tellingastoryaboutafriend.二、填空题（总共10题，每题2分，共20分）1.ThepassageinUnit9discusseshowsocialmediacan__________teenagers'self-esteemwhentheycomparetheirlivestoothers'.2.Inthegrammarsection,studentslearnedhowtousethe_________conditionaltotalkaboutunrealsituations.3.ThechartinUnit9showsthatteenagersspendmoretimeonsocialmediathanon_________activities.4.Whenwritingaformalemailfortheschoolmagazine,studentsshouldusea_________andpolitetone.5.ThelisteningexerciseinUnit9includesaconversationaboutweekend_________betweentwostudents.6.Theword"addictive"inUnit9describessomethingthatisvery_________andhardtostop.7.Inthespeakingactivity,studentsareaskedtodebatewhethersocialmediaismore_________orharmful.8.Theunittestincludesasectiononprepositions,suchas"inthe_________"and"onSunday."9.ThereadingpassageinUnit9mentionsastudyshowingthatexcessivesocialmediausecanleadto_________problems.10.ThewritingtaskinUnit9asksstudentstoexplainhowtousesocialmedia_________responsibly.三、判断题（总共10题，每题2分，共20分）1.ThepassageinUnit9suggeststhatsocialmediahasnonegativeeffectsonteenagers'mentalhealth.(False)2.Thesecondconditionalisusedtotalkaboutrealandpossiblefuturesituations.(False)3.ThechartinUnit9showsthatteenagersspendmoretimeonhomeworkthanonsocialmedia.(False)4.Itisacceptabletouseacasualandhumoroustonewhenwritingaformalemail.(False)5.ThelisteningexerciseinUnit9featuresamonologueaboutastudent'sweekendplans.(False)6.Theword"beneficial"inUnit9meanssomethingthatcausesharm.(False)7.ThespeakingactivityinUnit9requiresstudentstoperformaplay.(False)8.Thepreposition"at"isusedtotalkabouttime,suchas"at7o'clock."(True)9.ThereadingpassageinUnit9includesonlypersonalopinionsaboutsocialmedia.(False)10.ThewritingtaskinUnit9asksstudentstodescribetheirfavoritesocialmediaplatform.(False)四、简答题（总共8题，每题2分，共16分）1.WhatarethemainpositiveeffectsofsocialmediamentionedinUnit9?2.Explainthedifferencebetweenthefirstandsecondconditionalsentences.3.HowcanstudentsusethechartinUnit9tomakeapointintheirwriting?4.Whyisitimportanttouseaformaltonewhenwritingaschoolmagazineemail?5.WhatskillsdoesthelisteningexerciseinUnit9helpstudentsdevelop?6.Howcantheword"addictive"beusedinasentencerelatedtosocialmedia?7.Whatshouldstudentsincludeintheirargumentsduringthedebateaboutsocialmedia?8.Howcanstudentsuseprepositionscorrectlyintheirwriting?五、应用题（总共8题，每题4分，共24分）1.Writeashortparagraph(50words)explaininghowtousesocialmediaresponsibly.IncludeatleasttwotipsfromUnit9.2.Rewritethefollowingsentenceusingthesecondconditional:"IfIhadmorefreetime,Iwouldreadmorebooks."3.Completethefollowingsentencewithapreposition:"Shearrived_________8o'clockinthemorning."4.Createadialogue(60words)betweentwostudentsdiscussingtheirweekendplans.UseatleasttwoexpressionsfromthelisteningexerciseinUnit9.5.Explainthemeaningoftheword"beneficial"inthecontextofsocialmedia.Giveanexamplesentence.6.Writeaformalemail(80words)totheschoolmagazineabouttheimportanceofextracurricularactivities.Useapoliteandprofessionaltone.7.DescribethemainargumentofthereadingpassageinUnit9.Includeatleastonestatisticfromthechart.8.HowcanstudentsusethevocabularyfromUnit9toimprovetheirwriting?Giveanexample.【标准答案及解析】一、单项选择题1.C.Thepassagediscussesbothpositiveandnegativeeffectsofsocialmedia,suggestingwaystouseitresponsibly.解析：题干要求选择最能描述文本主要目的的陈述。选项A错误，因为文本并非完全反对社交媒体；选项B错误，因为文本是说明性的而非娱乐性的；选项C正确，因为文本确实讨论了社交媒体对青少年的双重影响；选项D错误，因为文本没有推销相关书籍。2.D.Thesecondconditionalstructureisusedtoexpresshypotheticalsituations.解析：题干提到单元重点讲解第二和第三条件，并举例说明"IfIhadmoretime,Iwouldstudyharder."这是第二条件句的典型用法，表示与现在事实相反的假设。3.C.Theskillbeingtestedisinterpretingdatafromagraph.解析：题干描述图表比较高中生在社交媒体、作业和体育活动上的时间分配，要求学生分析图表，因此考查的是数据解读能力。4.C.Theemailshouldbeformalandrespectful.解析：任务要求写一封给校刊的正式邮件，讨论课外活动的益处，需保持礼貌和专业的语气。5.C.Theexercisetestsstudents'abilitytounderstanddailyconversations.解析：对话包含"Whatareyoudoingthisweekend?"等日常表达，目的是评估学生理解日常对话的能力。6.C."Addictive"describessomethinghardtostop.解析：题干提到社交媒体可能导致成瘾和睡眠问题，"addictive"意为难以停止的，符合语境。7.C.Theskillemphasizedisdebatingatopic.解析：辩论要求学生使用单元阅读和听力材料支持论点，强调辩论能力。8.C."At"isusedtotalkabouttime.解析：题干提到单元涵盖"at5o'clock"等时间短语，"at"用于表示具体时间点。9.C.Thetextisascientificreport.解析：passage包含统计数据和专家意见，说明社交媒体对心理健康的影响，属于科学报告。10.C.Theparagraphshouldgiveadviceonsocialmediause.解析：任务要求解释如何负责任地使用社交媒体，需包含限制屏幕时间和保护隐私等建议。二、填空题1.negativelyimpact2.secondconditional3.physical4.formal5.plans6.addictive7.helpful8.night9.anxiety10.inabalancedway三、判断题1.False.Thepassagediscussesbothpositiveandnegativeeffects.解析：文本并非只讨论负面影响，而是全面分析。2.False.Thesecondconditionalisforunrealsituations.解析：第二条件句用于假设性情况，而非现实情况。3.False.Thechartshowsmoretimeonsocialmediathanhomework.解析：图表显示社交媒体使用时间多于作业时间。4.False.Aformalemailshouldbepolite,notcasual.解析：正式邮件需保持礼貌，而非随意。5.False.Theexercisefeaturesaconversation,notamonologue.解析：听力练习是双向对话，非独白。6.False."Beneficial"meanshelpful.解析："Beneficial"意为有益的，与有害相反。7.False.Theactivityisadebate,notaplay.解析：口语活动是辩论，非表演。8.True."At"isusedfortime,e.g.,"at7o'clock."解析：正确，"at"用于表示时间。9.False.Thepassageincludesexpertopinionsandstatistics.解析：文本包含专家观点和统计数据，非仅个人意见。10.False.Thetaskisaboutresponsibleuse,notfavoriteplatform.解析：写作任务要求解释如何负责任使用，非描述最喜欢的平台。四、简答题1.Positiveeffectsincludestayingconnectedwithfriendsandfamily,learningnewthings,andfindingsupportforhobbies.解析：根据单元内容，社交媒体的积极作用包括维系人际关系、获取新知识、支持兴趣爱好等。2.Thefirstconditionaltalksaboutrealfuturesituations(e.g.,"Ifitrains,wewillcancelthepicnic"),whilethesecondconditionaldiscussesunrealsituations(e.g.,"IfIhadmoretime,Iwouldstudyharder").解析：第一条件句描述真实未来（如"Ifitrains..."），第二条件句描述假设情况（如"IfIhad..."）。3.Studentscanusethecharttoarguethatsocialmediatakestimeawayfromimportantactivitieslikeexercise.解析：图表显示社交媒体占用大量时间，可用于论证其影响体育活动等重要性。4.Aformaltoneshowsrespectforthemagazineandthereaders.解析：正式语气体现对杂志和读者的尊重，符合学术写作规范。5.Thelisteningexercisehelpsstudentsimprovetheirlisteningcomprehensionandnote-takingskills.解析：听力练习提升听力理解能力，并训练笔记技巧。6."Socialmediacanbeaddictive,especiallywhenyouspendhoursscrollingthroughposts."解析：句子说明社交媒体的成瘾性，符合单元主题。7.Studentsshouldincludeevidencefromtheunit,suchasstatisticsandexpertopinions,tosupporttheirarguments.解析：辩论需引用单元数据或专家观点，增强说服力。8.Studentsshoulduseprepositionscorrectlyinphraseslike"onMonday"and"at5o'clock"toavoidconfusion.解析：正确使用介词如"on"和"at"可避免时间表达错误。五、应用题1.Tousesocialmediaresponsib