2026年天津市北师大版高中英语高二年级上册第7单元阅读理解测试卷

2026年天津市北师大版高中英语高二年级上册第7单元阅读理解测试卷一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit7,whichofthefollowingstatementsbestdescribesthemainpurposeofthetext?Thepassagediscussestheimpactofsocialmediaonteenagers'mentalhealth,presentingbothpositiveandnegativeeffectswhilesuggestingwaystomitigateharmfulinfluences.A.Topersuadereaderstocompletelyabandonsocialmediaplatforms.B.Tohighlighttheexclusivelynegativeconsequencesofsocialmediausage.C.Toarguethatsocialmediahasnosignificantinfluenceonteenagers.D.Toadvocateforabalancedapproachtosocialmediaconsumptionamongadolescents.2.TheauthoroftheUnit7readingmaterialemployswhichrhetoricalstrategytoemphasizethecomplexityoftheissue?Thetextincludesstatisticsfrommultiplestudies,quotesfrompsychologists,andreal-lifeexamplesofteenagersstrugglingwithsocialmediaaddiction.A.Repetitiontoreinforceasingleviewpoint.B.Emotionalappealstoswayreaders'opinions.C.Logicalreasoningsupportedbyevidence.D.Humortolightentheserioustopic.3.IntheUnit7passage,whatistheprimaryfunctionofthecasestudyaboutahighschoolstudentnamedLily?Thestoryillustrateshowexcessivesocialmediauseledtoheranxietyandpooracademicperformance,servingasacautionaryexample.A.Toprovideadetailedanalysisofsocialmediaalgorithms.B.Tocomparedifferentsocialmediaplatforms.C.Todemonstratethebenefitsofdigitaldetox.D.Toshowcasesuccessfulsocialmediainfluencers.4.TheUnit7readingsuggeststhatwhichfactorismostcriticalindeterminingwhethersocialmediaisbeneficialorharmfultoteenagers?Thetextemphasizestheroleofparentalguidance,self-discipline,andmindfulusagehabitsinshapingoutcomes.A.Thenumberoffollowersateenagerhas.B.Thetimespentonsocialmediadaily.C.Thetypeofcontentconsumedonline.D.Theageatwhichateenagerstartsusingsocialmedia.5.AccordingtotheUnit7passage,whatistheauthor'sstanceontheuseofsocialmediabyteenagers?Theauthorneithercondemnsnorendorsessocialmediaentirelybutadvocatesforresponsibleusageandawarenessofpotentialrisks.A.Stronglysupportsunrestrictedsocialmediaaccess.B.Believessocialmediashouldbebannedforminors.C.Advocatesformoderateandsupervisedusage.D.Viewssocialmediaasentirelydetrimentaltoteenagers.6.TheUnit7readingincludesasectionondigitalcitizenship,whichofthefollowingbestdescribesitspurpose?Thepassageexplainshowteenagerscanengageinpositiveonlinebehavior,respectothers'privacy,andavoidcyberbullying.A.Toteachcodingskillsforsocialmediaplatforms.B.Topromotethecreationofdigitalart.C.Toeducateonethicalonlineconduct.D.Toanalyzetheeconomicimpactofsocialmedia.7.IntheUnit7passage,whatdoestheauthorsuggestasaneffectivestrategytoreducethenegativeeffectsofsocialmediaonmentalhealth?Thetextrecommendssettingtimelimits,takingregularbreaks,andengaginginofflineactivitiestomaintainahealthybalance.A.Increasingdailysocialmediausagegradually.B.Deletingallsocialmediaaccountsimmediately.C.Usingsocialmediaonlyforeducationalpurposes.D.Limitingsocialmediatospecifichourseachday.8.TheUnit7readingmentionsasurveyconductedamonghighschoolstudents,whichofthefollowingfindingsismostlikelyhighlighted?Thesurveyrevealsacorrelationbetweenhighsocialmediausageandincreasedlevelsofanxietyanddepression.A.Teenagerswhousesocialmediamorethan4hoursdailyreporthighergrades.B.Socialmediausagehasnoimpactonteenagers'emotionalwell-being.C.Studentswholimitsocialmediauseexperiencebettermentalhealth.D.ThemostpopularsocialmediaplatformsareTikTokandInstagram.9.TheUnit7passageincludesacalltoactionforparentsandeducators,whichofthefollowingbestsummarizestheauthor'srecommendation?Theauthorencouragesadultstomodelhealthysocialmediahabits,communicateopenlywithteenagersaboutonlinerisks,andprovidesupportindevelopingdigitalliteracyskills.A.Forparentstomonitorteenagers'socialmediaaccounts24/7.B.Foreducatorstoreplacetraditionalteachingwithdigitallessons.C.Foradultstoguideteenagersinresponsibleonlinebehavior.D.Forschoolstobanallsocialmediaaccessoncampus.10.TheUnit7readingconcludeswithadiscussiononfuturetrends,whichofthefollowingstatementsismostlikelyincluded?Thetextpredictsthatemergingtechnologieslikeaugmentedrealitywillfurtherblurthelinesbetweenonlineandofflinelife,requiringnewstrategiesfordigitalwell-being.A.Socialmediawillbecomelesspopularinthefuture.B.Teenagerswillnaturallyadapttoanydigitalchanges.C.Thechallengesofsocialmediawillremainconsistentovertime.D.Newtechnologieswillmitigatethenegativeeffectsofsocialmedia.二、填空题（总共10题，每题2分，共20分）1.AccordingtotheUnit7passage,excessivesocialmediausecanleadto______amongteenagers,whichisoftenlinkedtofeelingsofinadequacyandlowself-esteem.Answer:socialcomparison2.TheUnit7readingsuggeststhatdevelopingstrong______skillsisessentialfornavigatingthecomplexitiesofonlineinteractionsandprotectingmentalhealth.Answer:digitalcitizenship3.IntheUnit7passage,theauthormentionsastudyshowingthatteenagerswhospendmorethan______hoursonsocialmediadailyareatahigherriskofexperiencingnegativementalhealthoutcomes.Answer:44.TheUnit7readingincludesareal-lifeexampleofahighschoolstudentnamedLilywhostruggledwith______afterspendingtoomuchtimeonInstagram.Answer:anxiety5.AccordingtotheUnit7passage,oneeffectivestrategytoreducethenegativeeffectsofsocialmediaisto______,whichhelpscreateahealthierbalancebetweenonlineandofflinelife.Answer:takeregularbreaks6.TheUnit7readingemphasizestheimportanceofparentalguidanceinteachingteenagersabout______,whichincludesunderstandingprivacysettings,recognizingfakenews,andavoidingharmfulonlinebehaviors.Answer:digitalliteracy7.IntheUnit7passage,theauthorhighlightstheroleof______inshapingwhethersocialmediaisbeneficialorharmfultoteenagers,notingthatself-disciplineandmindfulusagehabitssignificantlyinfluenceoutcomes.Answer:personalresponsibility8.TheUnit7readingmentionsasurveythatfoundastrong______betweenhighsocialmediausageandincreasedlevelsofdepressionandanxietyamonghighschoolstudents.Answer:correlation9.TheUnit7passageincludesasectionon______,whichexplainshowteenagerscanengageinpositiveonlinebehavior,respectothers'privacy,andavoidcyberbullying.Answer:digitalcitizenship10.TheUnit7readingconcludeswithadiscussiononfuturetrends,predictingthatemergingtechnologieslike______willfurtherblurthelinesbetweenonlineandofflinelife,requiringnewstrategiesfordigitalwell-being.Answer:augmentedreality三、判断题（总共10题，每题2分，共20分）1.TheUnit7passageentirelyblamessocialmediaplatformsforthenegativementalhealtheffectsexperiencedbyteenagers.Answer:False.Thepassagepresentsabalancedview,acknowledgingbothpositiveandnegativeimpactswhileemphasizingpersonalresponsibilityandmindfulusage.2.AccordingtotheUnit7reading,allteenagerswhousesocialmediaexcessivelywilldevelopanxietyanddepression.Answer:False.Thepassagenotesacorrelationbutdoesnotstatethatallexcessiveuserswillexperiencetheseissues;individualdifferencesandcopingmechanismsplayarole.3.TheUnit7readingsuggeststhatbanningsocialmediaforteenagersisthemosteffectivesolutiontomitigateitsnegativeeffects.Answer:False.Theauthoradvocatesforresponsibleusageanddigitalliteracyratherthancompletebans,recognizingthatsocialmediacanalsohavepositiveaspects.4.IntheUnit7passage,theauthorincludesadetailedanalysisofthealgorithmsusedbymajorsocialmediaplatforms.Answer:False.Thepassagefocusesontheimpactofsocialmediaonmentalhealthandstrategiesforresponsibleusage,nottechnicaldetailsaboutalgorithms.5.TheUnit7readingmentionsastudyshowingthatteenagerswholimittheirsocialmediausetolessthan2hoursdailyreportbettermentalhealthoutcomes.Answer:True.Thepassagehighlightsresearchindicatingthatmoderateusageisassociatedwithfewernegativeeffects.6.TheUnit7passageincludesacalltoactionforschoolstoinstallfiltersonallsocialmediaplatformstoprotectstudents.Answer:False.Theauthorencourageseducationandguidanceratherthanrelyingsolelyontechnologicalrestrictions.7.AccordingtotheUnit7reading,socialmediausagehasnoimpactonteenagers'self-esteemorbodyimage.Answer:False.Thepassagediscusseshowsocialmediacancontributetosocialcomparisonandnegativeself-perception.8.TheUnit7readingsuggeststhatteenagersshouldcompletelyabandonsocialmediatoavoidanypotentialharm.Answer:False.Theauthorpromotesabalancedapproach,emphasizingresponsibleusageandawarenessofrisksratherthancompleteavoidance.9.TheUnit7passageincludesasectionondigitalcitizenship,whichfocusesonteachingteenagershowtocreatedigitalart.Answer:False.Thesectionondigitalcitizenshipcoversethicalonlinebehavior,privacy,andavoidingcyberbullying.10.TheUnit7readingconcludesbypredictingthatfuturetechnologieswilleliminatethenegativeeffectsofsocialmedia.Answer:False.Theauthoracknowledgesthatnewtechnologiesmayintroduceadditionalchallengesandemphasizestheneedforevolvingstrategiestomaintaindigitalwell-being.四、简答题（总共8题，每题2分，共16分）1.AccordingtotheUnit7passage,whatarethetwomainwayssocialmediacanimpactteenagers'mentalhealth?Thepassageidentifiessocialcomparisonandcyberbullyingassignificantfactors;socialcomparisonleadstofeelingsofinadequacy,whilecyberbullyingcancauseemotionaldistressandanxiety.2.TheUnit7readingsuggeststhatparentsandeducatorsplayacrucialroleinhelpingteenagersnavigatesocialmedia.Whatspecificactionsdoestheauthorrecommend?Theauthoradvisesparentstomodelhealthyusage,communicateopenlyaboutonlinerisks,andsupportthedevelopmentofdigitalliteracyskills.3.IntheUnit7passage,theauthormentionsastudyonsocialmediausageandmentalhealth.Whatdoesthestudyrevealabouttherelationshipbetweenthetwo?Thestudyfindsastrongcorrelationbetweenhighsocialmediausageandincreasedlevelsofanxietyanddepression,particularlyamongteenagerswhospendmorethan4hoursdailyontheseplatforms.4.TheUnit7readingincludesasectionondigitalcitizenship.Whatistheprimarypurposeofthissection?Thesectionaimstoeducateteenagersonethicalonlinebehavior,includingrespectingothers'privacy,recognizingandavoidingfakenews,andpreventingcyberbullying.5.AccordingtotheUnit7passage,whatistheauthor'smainargumentregardingtheuseofsocialmediabyteenagers?Theauthorarguesthatsocialmediaitselfisneitherinherentlygoodnorbadbutcanhavebothpositiveandnegativeeffectsdependingonhowitisused;responsibleandmindfulconsumptioniskey.6.TheUnit7readingsuggeststhatteenagerscantakespecificstepstoreducethenegativeeffectsofsocialmedia.Whatdoestheauthorrecommend?Theauthorrecommendssettingtimelimits,takingregularbreaks,engaginginofflineactivities,andseekingsupportfromfriends,family,orprofessionalsifneeded.7.IntheUnit7passage,theauthormentionsareal-lifeexampleofahighschoolstudentnamedLily.WhatdoesLily'sstoryillustrate?Lily'sstoryillustrateshowexcessivesocialmediausecanleadtoanxietyandpooracademicperformance,servingasacautionaryexampleofthepotentialrisks.8.TheUnit7readingconcludeswithadiscussiononfuturetrends.Whatdoestheauthorpredictabouttherelationshipbetweensocialmediaandtechnology?Theauthorpredictsthatemergingtechnologieslikeaugmentedrealitywillfurtherintegratedigitalandphysicalworlds,requiringnewstrategiesformaintainingdigitalwell-being.五、应用题（总共8题，每题4分，共24分）1.Imagineyouareahighschoolcounselor.AstudentnamedAlexhasbeenexperiencinganxietyandlowself-esteemafterspendinghoursonsocialmediadaily.AccordingtotheUnit7passage,whatadvicewouldyougiveAlex?Basedonthepassage,IwouldrecommendAlexsetspecifictimelimitsforsocialmediause,takeregularbreaks,andengageinofflineactivitiesheenjoys.Additionally,Iwouldencouragehimtoreflectonhowsocialmediausageaffectshismoodandconsiderseekingsupportfromfriendsoramentalhealthprofessionalifneeded.2.TheUnit7readingemphasizestheimportanceofdigitalcitizenship.Writeashortparagraphexplaininghowateenagercanpracticegooddigitalcitizenshipwhileusingsocialmedia.Topracticegooddigitalcitizenship,ateenagershouldrespectothers'privacybynotsharingpersonalinformationwithoutconsent,avoidcyberbullyingbyreportingharmfulbehavior,andcontributepositivelybyengaginginconstructivediscussionsandsharinghelpfulcontent.Additionally,theyshouldbecriticalofonlineinformation,fact-checkingbeforesharing,andusesocialmediatopromotecausestheycareabout.3.AccordingtotheUnit7passage,socialmediausagecanleadtosocialcomparison.Describeascenariowhereateenagermightexperiencesocialcomparisonandhowtheycanmitigateitsnegativeeffects.Scenario:AteenagernamedJordanseespostsfromfriendsabouttheirpartiesandvacations,feelingenviousoftheirsociallife.Tomitigatenegativeeffects,Jordancanremindhimselfthatsocialmediaoftenpresentsidealizedversionsofpeople'slives,setrealisticexpectations,andfocusonhisownexperiencesandachievementsratherthancomparinghimselftoothers.4.TheUnit7readingsuggeststhatparentsandeducatorsshouldguideteenagersinresponsiblesocialmediausage.Writealistofthreestrategiestheycanusetosupportteenagers.Threestrategiesinclude:1)Modelinghealthyusagebylimitingtheirownsocialmediatime,2)Havingopenconversationsaboutonlinerisksandhowtostaysafe,and3)Encouragingteenagerstobalanceonlineandofflineactivitiesbypromotinghobbiesandsocialinteractionsoutsideofscreens.5.AccordingtotheUnit7passage,whatarethebenefitsofsocialmediawhenusedresponsibly?Whenusedresponsibly,socialmediacanprovideopportunitiesforconnectionwithfriendsandfamily,accesstoinformationandeducationalresources,andplatformsforself-expressionandcreativity.Additionally,itcanfacilitatesocialactivismbyallowingindividualstoraiseawarenessaboutimportantissuesandconnectwithlike-mindedpeople.6.TheUnit7readingmentionsastudyshowingthatteenagerswholimittheirsocialmediausereportbettermentalhealthoutcomes.Describehowaschoolcouldimplementaprogramtoencouragestudentstoreducetheirsocialmediatime.Theschoolcouldlauncha"DigitalDetox"challenge,encouragingstudentstotracktheirsocialmediausageandgraduallyreducetheirtimespentonline.Workshopsondigitalwell-beingcouldbeoffered,andstudentscouldberewardedformeetingtheirgoalswithcertificatesorsmallincentives.7.AccordingtotheUnit7passage,whatistheroleofpersonalresponsibilityindeterminingwhethersocialmediaisbeneficialorharmful?Personalresponsibilityplaysacrucialroleinshapingtheimpactofsocialmedia;teenagerswhoaremindfuloftheirusagehabits,setboundaries,andseeksupportwhenneededaremorelikelytoexperiencepositiveoutcomes.Conversely,thosewhousesocialmediaexcessivelywithoutself-regulationmayfacenegativeeffectssuchasanxiety,depression,andsocialcomparison.8.TheUnit7readingconcludesbypredictingthatfuturetechnologieswillfurtherblurthelinesbetweenonlineandofflinelife.Howcanteenagersprepareforthesechanges?Teenagerscanpreparebydevelopingstrongdigitalliteracyskills,learningtomanagetheirtimeeffectivelyacrossvariousplatforms,andstayinginformedaboutemergingtechnologies.Additionally,theyshouldcultivatehealthyhabitsforbothonlineandofflinelife,ensuringtheymaintainabalancedlifestyleevenastechnologyevolves.【标准答案及解析】一、单项选择题1.D.Toadvocateforabalancedapproachtosocialmediaconsumptionamongadolescents.解析：根据Unit7阅读材料，作者的主要目的是倡导青少年在社交媒体使用上采取平衡的方法，既不完全禁止也不盲目推崇，而是强调负责任和有意识的使用。选项A、B、C均过于极端，不符合作者的观点。2.C.Logicalreasoningsupportedbyevidence.解析：作者在Unit7阅读中使用了逻辑推理并辅以证据，包括统计数据、心理学家引言和真实案例，以强调问题的复杂性。选项A、B、D均不符合文中所述的写作策略。3.C.Todemonstratethebenefitsofdigitaldetox.解析：文中关于Lily的案例旨在说明过度使用社交媒体如何导致焦虑和学业问题，作为警示案例，暗示了数字排毒的益处。选项A、B、D均不符合案例的用途。4.C.Thetypeofcontentconsumedonline.解析：Unit7阅读强调，决定社交媒体是利是弊的关键因素是青少年在线上消费的内容类型，积极内容有助于心理健康，消极内容则可能造成负面影响。选项A、B、D均不是文中强调的核心因素。5.C.Advocatesformoderateandsupervisedusage.解析：作者在Unit7阅读中既不完全支持也不完全反对社交媒体的使用，而是倡导适度和监督下的使用，强调责任感和意识。选项A、B、D均不符合作者立场。6.C.Toeducateonethicalonlineconduct.解析：Unit7阅读中关于数字公民的部分旨在教育青少年如何进行积极的在线行为，尊重他人隐私，避免网络欺凌，符合道德规范。选项A、B、D均不符合该部分的目的。7.D.Limitingsocialmediatospecifichourseachday.解析：Unit7阅读建议通过限制每天使用社交媒体的时间来减少其负面影响，帮助青少年在线上和线下生活之间保持健康平衡。选项A、B、C均不符合文中建议的策略。8.C.Studentswholimitsocialmediauseexperiencebettermentalhealth.解析：Unit7阅读中提到的调查发现，限制社交媒体使用时间的青少年报告了更好的心理健康状况，这与高使用量与负面情绪的关联形成对比。选项A、B、D均不符合调查结果。9.C.Foradultstoguideteenagersinresponsibleonlinebehavior.解析：作者在Unit7阅读中呼吁父母和教育工作者引导青少年负责任地使用社交媒体，包括示范健康习惯、开放沟通和支持数字素养技能的发展。选项A、B、D均不符合作者建议。10.D.Newtechnologieswillmitigatethenegativeeffectsofsocialmedia.解析：Unit7阅读在讨论未来趋势时预测，新兴技术如增强现实将进一步模糊线上和线下生活的界限，需要新的策略来维护数字健康，暗示技术进步可能缓解负面影响。选项A、B、C均不符合预测内容。二、填空题1.socialcomparison解析：Unit7阅读指出，过度使用社交媒体会导致青少年进行社会比较，从而产生自卑感和低自尊。2.digitalcitizenship解析：Unit7阅读强调培养数字公民技能对于青少年在复杂网络环境中导航和保护心理健康至关重要。3.4解析：Unit7阅读中提到的研究显示，每天使用社交媒体超过4小时的青少年面临更高的负面心理健康风险。4.anxiety解析：Unit7阅读中的案例提到，Lily因过度使用Instagram而感到焦虑，展示了社交媒体对情绪的影响。5.takeregularbreaks解析：Unit7阅读建议通过定期休息来减少社交媒体的负面影响，帮助青少年保持健康平衡。6.digitalliteracy解析：Unit7阅读强调父母和教育工作者应教导青少年数字素养，包括理解隐私设置、识别虚假新闻和避免有害在线行为。7.personalresponsibility解析：Unit7阅读指出，个人责任感在决定社交媒体是利是弊中起关键作用；自律和有意识的消费习惯显著影响结果。8.correlation解析：Unit7阅读中提到的调查发现，高社交媒体使用量与抑郁和焦虑水平的增加存在显著关联。9.digitalcitizenship解析：Unit7阅读中关于数字公民的部分解释了青少年如何进行积极在线行为、尊重他人隐私和避免网络欺凌。10.augmentedreality解析：Unit7阅读在讨论未来趋势时预测，新兴技术如增强现实将进一步融合数字和物理世界，需要新的数字健康策略。三、判断题1.False解析：Unit7阅读呈现平衡观点，既承认社交媒体的负面影响，也强调个人责任和有意识的使用，而非完全归咎于平台。2.False解析：Unit7阅读指出高社交媒体使用量与焦虑和抑郁存在关联，但并非所有过度使用者都会受到影响，个体差异和应对机制起作用。3.False解析：作者在Unit7阅读中倡导负责任的使用和数字素养，而非完全禁止社交媒体，承认其利弊并存。4.False解析：Unit7阅读专注于社交媒体对心理健康的影响和负责任使用策略，未深入分析算法技术细节。5.True解析：Unit7阅读提到的研究显示，限制社交媒体使用时间的青少年报告了更好的心理健康状况。6.False解析：作者在Unit7阅读中鼓励教育和指导，而非仅依赖技术限制，如安装过滤器。7.False解析：Unit7阅读讨论社交媒体如何导致社会比较和负面自我认知，而非对自我-esteem和bodyimage无影响。8.False解析：作者在Unit7阅读中倡导平衡方法，强调负责任和有意识的使用，而非完全放弃社交媒体。9.False解析：Unit7阅读中关于数字公民的部分涵盖道德在线行为、隐私保护和避免网络欺凌，而非数字艺术教学。10.False解析：Unit7阅读预测新兴技术将进一步融合线上和线下生活，需要新的数字健康策略，而非消除负面影响。四、简答题1.Thepassageidentifiessocialcomparisonandcyberbullyingassignificantfactors;socialcomparisonleadstofeelingsofinadequacy,whilecyberbullyingcancauseemotionaldistressandanxiety.解析：Unit7阅读指出，社交媒体对青少年心理健康的主要影响是社会比较和网络欺凌；社会比较导致自卑感，而网络欺凌造成情绪困扰和焦虑。2.Theauthoradvisesparentstomodelhealthyusage,communicateopenlyaboutonlinerisks,andsupportthedevelopmentofdigitalliteracyskills.解析：Unit7阅读建议父母示范健康使用习惯，开放沟通在线风险，并支持数字素养技能发展，以帮助青少年负责任地使用社交媒体。3.Thestudyfindsastrongcorrelationbetweenhighsocialmediausageandincreasedlevelsofanxietyanddepression,particularlyamongteenagerswhospendmorethan4hoursdailyontheseplatforms.解析：Unit7阅读中提到的调查发现，高社交媒体使用量与焦虑和抑郁水平增加存在显著关联，尤其对每天使用超过4小时的青少年影响更大。4.Thesectionaimstoeducateteenagersonethicalonlinebehavior,includingrespectingothers'privacy,recognizingandavoidingfakenews,andpreventingcyberbullying.解析：Unit7阅读中关于数字公民的部分旨在教育青少年道德在线行为，包括尊重隐私、识别虚假新闻和避免网络欺凌。5.Theauthorarguesthatsocialmediaitselfisneitherinherentlygoodnorbadbutcanhavebothpositiveandnegativeeffectsdependingonhowitisused;responsibleandmindfulconsumptioniskey.解析：Unit7阅读指出，社交媒体本身无所谓好坏，其影响取决于使用方式；负责任和有意识的使用是关键。6.Theauthorrecommendssettingtimelimits,takingregularbreaks,engaginginofflineactivities,andseekingsupportifneeded.解析：Unit7阅读建议青少年通过设定时间限制、定期休息、参与线下活动以及在必要时寻求支持来减少社交媒体的负面影响。7.Lily'sstoryillustrateshowexcessivesocialmediausecanleadtoanxietyandpooracademicperformance,servingasacautionaryexampleofthepotentialrisks.解析：Unit7阅读中Lily的案例展示了过度使用社交媒体如何导致焦虑和学业问题，作为警示案例，提醒青少年注意风险。8.Theauthorpredictsthatemergingtechnologieslikeaugmentedrealitywillfurtherintegratedigitalandphysicalworlds,requiringnewstrategiesformaintainingdigitalwell-being.解析：Unit7阅读预测新兴技术如增强现实将进一步融合数字和物理世界，需要新的策略来维护数字健康。五、应用题1.Basedonthepassage,IwouldrecommendAlexsetspecifictimelimitsforsocialmediause,takeregularbreaks,andengageinofflineactivitiesheenjoys.Additionally,Iwouldencouragehimtoreflectonhowsocialmediausageaffectshismoodandconsiderseekingsupportfromfriendsoramentalhealthprofessionalifneeded.解析：Unit7阅读建议通过设定时间限制、定期休息和参与线下活动来帮助青少年减少社交媒体的负面影响。对于Alex，建议他设定具体时间限制，定期休息，并参与他喜欢的线下活动。此外，鼓励他反思社交媒体使用对情绪的影响，并在必要时寻求朋友或心理健康专业人士的支持。2.Topracticegooddigitalcitizenship,ateenagershouldrespectothers'privacybynotsharingpersonalinformationwithoutconsent,avoidcyberbullyingbyreportingharmfulbehavior,andcontributepositivelybyengaginginconstructivediscussionsandsharinghelpfulcontent.Additionally,theyshouldbecriticalofonlineinformation,fact-checkingbeforesharing,andusesocialmediatopromotecausestheycareabout.解析：Unit7阅读强调数字公民的重要性，包括尊重他人隐私（不分享个人信息）、避免网络欺凌（举报有害行为）、积极贡献（参与建设性讨论和分享有用内容），以及批判性思维（核实信息）。3.Scenario:AteenagernamedJordansees