2026年人教版高中英语必修第五册第6单元同步练习题

2026年人教版高中英语必修第五册第6单元同步练习题一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit6,whatisthemainpurposeofthearticle"TheImpactofSocialMediaonTeenagers"?Theauthorprimarilyaimsto______.A.persuadereaderstoquitusingsocialmediacompletelyB.describethepositiveeffectsofsocialmediaonteenagers'livesC.analyzethenegativeconsequencesofexcessivesocialmediauseamongteenagersD.suggestwaystoimprovesocialmediaplatformsforbetteruserexperienceAnswer:CExplanation:Thepassagefocusesondiscussinghowsocialmediacanleadtoissueslikeanxiety,depression,andpooracademicperformanceinteenagers.Theauthorpresentsevidenceandcasestudiestohighlightthesenegativeeffects,makingoptionCthecorrectanswer.OptionsAandBaretooextremeorone-sided,whileoptionDshiftsthefocustoplatformimprovementratherthantheauthor'sprimaryintent.2.InthereadingmaterialofUnit6,asurveyshowsthat70%ofteenagersfeelpressuretopost"perfect"photosonsocialmedia.Whatdoesthisstatisticmoststronglysuggestaboutteenagers'attitudestowardsocialmedia?A.Teenagersarehighlysatisfiedwiththeirsocialmediapresence.B.Teenagersoftenfeelinadequatecomparedtoothersonline.C.Teenagersbelievesocialmediaisunnecessaryfortheirlives.D.Teenagersareprimarilyconcernedwithprivacyonsocialmedia.Answer:BExplanation:Thestatisticindicatesthatmanyteenagersfeelpressuredtopresentidealizedversionsofthemselves,suggestingtheymayfeelinadequateoranxiousaboutsocialcomparison.OptionAcontradictsthestatistic,whileoptionsCandDareunrelatedtothesurvey'sfocus.3.ThearticleinUnit6mentionsastudywhereteenagerswhousedsocialmediaformorethanthreehoursdailyreportedhigherlevelsofloneliness.Whatdoesthisfindingimplyabouttherelationshipbetweensocialmediauseandemotionalwell-being?A.Moresocialmediauseleadstogreaterhappiness.B.Socialmediausehasnosignificantimpactonemotionalwell-being.C.Excessivesocialmediausemaynegativelyaffectteenagers'feelingsofloneliness.D.Teenagerswhoarelonelyaremorelikelytousesocialmediaexcessively.Answer:CExplanation:Thestudydirectlylinksprolongedsocialmediausetoincreasedloneliness,suggestinganegativecorrelation.OptionAisincorrectasthestudyshowstheopposite.OptionBcontradictstheevidence,andoptionDreversesthecause-and-effectrelationship.4.InthegrammarsectionofUnit6,theunitintroducesthestructure"Itisimportantto+verb(baseform)."Whichsentencecorrectlyusesthisstructuretoexpressasuggestion?A.Itisimportanttostudyhardfortheexam.B.Itisimportanttonotgotoschooltomorrow.C.Itisimportanttotheyfinishtheirhomeworkontime.D.Itisimportanttoshepracticespeakingeveryday.Answer:AExplanation:OptionAcorrectlyusesthestructure"Itisimportantto+verb(baseform)"with"studyhard."OptionBuses"not"incorrectly;thecorrectformwouldbe"Itisimportanttonotstudy."OptionsCandDhavegrammaticalerrorsinthesubject-verbagreement.5.ThewritingtaskinUnit6asksstudentstowritealettertoafriendabouttheiropiniononsocialmedia.Whichsentencewouldbemostappropriatetoexpressabalancedview?A.Ithinksocialmediaisterribleandshouldbebanned.B.Ibelievesocialmediaisusefulbutcanbeharmfulifusedexcessively.C.Idon'tcareaboutsocialmediabecauseitdoesn'taffectme.D.Socialmediaisthebestwaytostayconnectedwithfriends.Answer:BExplanation:OptionBpresentsabalancedperspectivebyacknowledgingboththebenefitsandrisksofsocialmedia.OptionAistooextreme,whileoptionsCandDareeitherirrelevantorone-sided.6.InthespeakingactivityofUnit6,studentsareaskedtodebatewhetherteenagersshouldbeallowedtousesocialmediaduringschoolhours.Whichargumentwouldsupportthe"against"side?A.Socialmediacanhelpstudentsstayupdatedoncurrentevents.B.Usingsocialmediaduringschoolcanimprovetimemanagementskills.C.Socialmediausecandistractstudentsfromtheirstudies.D.Socialmediaplatformscanprovideeducationalcontentforstudents.Answer:CExplanation:Theargumentthatsocialmediadistractsstudentsfromtheirstudiesdirectlysupportsthe"against"side.OptionsA,B,andDprovidereasonstosupportallowingsocialmediause,makingCthecorrectchoice.7.ThevocabularysectionofUnit6introducestheword"anxiety."Whichsentencecorrectlyuses"anxiety"todescribeafeeling?A.Shehasahighanxietyaboutpublicspeaking.B.Hefeltanxietywhenhesawtheexamresults.C.Theanxietyismakingherunabletosleep.D.Anxietyisaphysicalsymptomofstress.Answer:BExplanation:OptionBcorrectlyuses"anxiety"asanountodescribeafeeling.OptionAshoulduse"anxious"(adjective).OptionCincorrectlyuses"theanxiety"asifitwereasingularentity.OptionDdefinesanxietyratherthanusingittodescribeafeeling.8.ThereadingpassageinUnit6mentionsthatsometeenagersusesocialmediatoescapereality.Whichsentencebestexplainsthisidea?A.Teenagersusesocialmediatomeetnewpeopleandmakefriends.B.Teenagersusesocialmediatoavoiddealingwiththeirproblems.C.Teenagersusesocialmediatolearnnewskillsandinformation.D.Teenagersusesocialmediatopromotetheirbusinesses.Answer:BExplanation:Thepassagesuggeststhatsocialmediaprovidesatemporaryescapefromreal-lifechallenges,makingoptionBthecorrectexplanation.Theotheroptionsdescribedifferentpurposesofsocialmediause.9.Intheunit'sgrammarfocusonreportedspeech,whichsentencecorrectlychanges"Hesaid,'Iamtired'"toreportedspeech?A.Hesaidthathewastired.B.Hesaidthatheistired.C.Hesaidthathehasbeentired.D.Hesaidthathewillbetired.Answer:AExplanation:Inreportedspeech,thetensechanges(presenttopast,pasttopastperfect,etc.).OptionAcorrectlychanges"Iamtired"to"hewastired."Theotheroptionseitherdonotchangethetenseorchangeitincorrectly.10.Theunit'swritingtaskasksstudentstowriteashortessayon"TheRoleofSocialMediainEducation."Whichthesisstatementwouldbemosteffective?A.Socialmediaisawasteoftimeandshouldbeavoidedbystudents.B.Socialmediahasnoroleineducationbecauseitisdistracting.C.Socialmediacanbeavaluabletoolineducationifusedresponsibly.D.Socialmediaisonlyusefulforentertainmentpurposes.Answer:CExplanation:OptionCpresentsabalancedandargumentativethesis,allowingforawell-roundedessay.OptionsAandBaretooextremeorone-sided,whileoptionDlimitsthescopetoentertainmentonly.二、填空题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit6,excessiveuseofsocialmediacanleadto______amongteenagers.Answer:mentalhealthproblemsExplanation:Thepassagediscusseshowsocialmediacancauseanxiety,depression,andothermentalhealthissuesduetosocialcomparisonandcyberbullying.2.Thearticlementionsasurveywhere60%ofteenagersadmittedtofeeling______afterspendingtoomuchtimeonsocialmedia.Answer:stressedExplanation:Thesurveyresultsindicatethatsocialmediauseoftenleadstostress,asteenagersfeelpressuredtomaintainaperfectonlineimage.3.Inthegrammarsection,theunitteachesthestructure"Itisimportantto______(verbbaseform)."Forexample,"Itisimportantto______everyday."Answer:exerciseExplanation:Theexamplesentenceimpliesahealthyhabit,and"exercise"fitsthestructure"Itisimportantto+verb(baseform)."4.ThereadingpassageinUnit6describesastudywhereteenagerswhousedsocialmediaformorethantwohoursdailyreportedhigherlevelsof______.Answer:lonelinessExplanation:Thestudydirectlylinksexcessivesocialmediausetoincreasedfeelingsofloneliness,associalinteractionsbecomesuperficial.5.Theunitintroducestheword"anxiety,"whichmeansafeelingofworryoruneaseaboutsomething.Forexample,"Shehas______aboutherfuture."Answer:anxietyExplanation:Thesentencerequiresthenoun"anxiety"todescribeheremotionalstate.6.Inreportedspeech,"Hesaid,'Iwillgotothelibrarytomorrow.'"changesto"Hesaidthathe______tothelibrarythenextday."Answer:wouldgoExplanation:Inreportedspeech,thefuturetense"will"changesto"would."7.ThewritingtaskinUnit6asksstudentstowritealettertoafriendabouttheiropiniononsocialmedia.Agoodsentencecouldbe:"Ithinksocialmediaisuseful,butitcanbe______ifusedexcessively."Answer:harmfulExplanation:Thesentencerequiresawordtodescribethenegativeeffectsofoveruse,and"harmful"fitsthecontext.8.ThespeakingactivityinUnit6involvesadebateonwhetherteenagersshouldbeallowedtousesocialmediaduringschoolhours.Oneargumentagainstitisthatsocialmediausecan______students'concentration.Answer:distractExplanation:Theargumentfocusesonthedisruptiveeffectofsocialmediaonstudents'abilitytofocusinclass.9.Thevocabularysectionintroducestheword"cyberbullying,"whichreferstobullyingsomeone______.Answer:onlineExplanation:Theterm"cyberbullying"specificallydescribesharassmentthatoccursovertheinternet.10.Theunit'sgrammarfocusisonthestructure"Itisimportantto______(verbbaseform)."Forexample,"Itisimportantto______yourtimewisely."Answer:manageExplanation:Thesentencerequiresaverbthatfitsthestructure"Itisimportantto+verb(baseform)"andrelatestotimemanagement.三、判断题（总共10题，每题2分，共20分）1.ThepassageinUnit6statesthatsocialmediahasnonegativeeffectsonteenagers'mentalhealth.Answer:FalseExplanation:Thepassageactuallydiscusseshowsocialmediacanleadtoanxiety,depression,andloneliness,contradictingthestatement.2.AccordingtothesurveyinUnit6,80%ofteenagersfeelpressuretopost"perfect"photosonsocialmedia.Answer:FalseExplanation:Thecorrectstatisticis70%,asstatedinthepassage.3.ThegrammarsectionofUnit6teachesthestructure"Itisimportantto+verb(baseform),"suchas"Itisimportanttostudyhard."Answer:TrueExplanation:Theunitintroducesthisstructuretoexpressimportanceornecessity,andtheexampleprovidediscorrect.4.ThereadingpassageinUnit6mentionsthatteenagerswhousesocialmediaformorethanthreehoursdailyreporthigherlevelsofhappiness.Answer:FalseExplanation:Thepassagestatestheopposite—thatexcessiveuseislinkedtohigherloneliness,nothappiness.5.Theunitintroducestheword"anxiety"andusesthesentence"Shehasanxietyaboutpublicspeaking."Answer:FalseExplanation:Thecorrectusageis"Sheisanxiousaboutpublicspeaking,"as"anxious"istheadjectiveform.6.Inreportedspeech,"Hesaid,'Iamtired'"changesto"Hesaidthatheistired."Answer:FalseExplanation:Thetenseshouldchangeinreportedspeech;thecorrectformis"Hesaidthathewastired."7.ThewritingtaskinUnit6asksstudentstowritealettertoafriendabouttheiropiniononsocialmedia,andagoodsentenceis"Ithinksocialmediaisterrible."Answer:FalseExplanation:Thetaskrequiresabalancedview,notanextremeone-sidedopinion.8.ThespeakingactivityinUnit6involvesadebateonwhetherteenagersshouldbeallowedtousesocialmediaduringschoolhours,andoneargumentforitisthatsocialmediacanimprovetimemanagementskills.Answer:FalseExplanation:Thisargumentsupportsthe"for"side,notthe"against"side.9.Thevocabularysectionintroducestheword"cyberbullying"andusesthesentence"Cyberbullyingisaphysicalformofbullying."Answer:FalseExplanation:Cyberbullyingisaformofonlinebullying,notphysical.10.Theunit'sgrammarfocusisonthestructure"Itisimportantto+verb(baseform),"suchas"Itisimportanttonotstudyhard."Answer:FalseExplanation:Thecorrectformis"Itisimportanttonotstudy,"without"hard."四、简答题（总共8题，每题2分，共16分）1.AccordingtothepassageinUnit6,whatarethreenegativeeffectsofexcessivesocialmediauseonteenagers?Answer:-Anxietyanddepression-Pooracademicperformance-SocialisolationExplanation:Thepassagediscusseshowsocialmediacanleadtomentalhealthissues,affectstudies,andreduceface-to-faceinteractions.2.Theunitteachesthestructure"Itisimportantto+verb(baseform)."Writetwosentencesusingthisstructuretoexpresshealthyhabits.Answer:-Itisimportanttoexerciseregularly.-Itisimportanttogetenoughsleep.Explanation:Thesesentencesfollowthecorrectstructureandpromotehealthybehaviors.3.ThereadingpassageinUnit6mentionsthatsometeenagersusesocialmediatoescapereality.Explainwhythismightbethecase.Answer:Teenagersmayusesocialmediatoescaperealitybecauseitoffersacontrolledenvironmentwheretheycanpresentidealizedversionsofthemselves,avoidingreal-lifefailuresorsocialawkwardness.Explanation:Thepassagesuggeststhatsocialmediaprovidesatemporaryescapefromreal-worldstressors,allowingteenagerstoavoidnegativeexperiences.4.Theunitintroducestheword"anxiety."Writeasentenceusing"anxiety"todescribeafeeling.Answer:Shefeltanxietybeforeherdrivingtest.Explanation:Thesentencecorrectlyuses"anxiety"asanountodescribeafeelingofworry.5.Inreportedspeech,change"Shesaid,'Iwillvisitmygrandparentsnextweek.'"toreportedspeech.Answer:Shesaidthatshewouldvisithergrandparentsthefollowingweek.Explanation:Thetensechangesfrompresenttopast("will"to"would")inreportedspeech.6.ThewritingtaskinUnit6asksstudentstowriteashortessayon"TheRoleofSocialMediainEducation."Whataretwoargumentsforallowingsocialmediainschools?Answer:-Socialmediacanprovideaccesstoeducationalresourcesandinformation.-Itcanhelpstudentsdevelopdigitalliteracyskills.Explanation:Theseargumentssupporttheuseofsocialmediaineducationalsettingsbyhighlightingitsbenefits.7.ThespeakingactivityinUnit6involvesadebateonwhetherteenagersshouldbeallowedtousesocialmediaduringschoolhours.Whatwouldbeagoodargumentforthe"for"side?Answer:Socialmediacanbeusedforeducationalpurposes,suchascollaboratingonprojectsorsharingclassroomresources.Explanation:Thisargumentsupportsallowingsocialmediabyemphasizingitspotentialforlearning.8.Thevocabularysectionintroducestheword"cyberbullying."Explainwhatcyberbullyingisandwhyitisaproblem.Answer:Cyberbullyingiswhensomeoneusesdigitalplatformstoharass,threaten,orembarrassanotherperson.Itisaproblembecauseitcancauseemotionaldistress,leadtoisolation,andsometimesresultinseriousconsequences.Explanation:Theexplanationdefinescyberbullyingandhighlightsitsnegativeimpactsonvictims.五、应用题（总共8题，每题4分，共24分）1.Writeashortparagraph(5-7sentences)aboutyouropiniononsocialmedia.Useatleasttwophrasesfromtheunit,suchas"socialmediacanbeharmfulifusedexcessively"and"Itisimportanttobalanceonlineandofflinelife."Answer:Socialmediahasbecomeanintegralpartofourlives,butitcanbeharmfulifusedexcessively.Itisimportanttobalanceonlineandofflinelifetoavoidnegativeeffectslikeanxietyorpooracademicperformance.Whilesocialmediacanhelpusstayconnectedwithfriendsandaccessinformation,wemustbemindfulofhowmuchtimewespendonit.Settinglimitsandprioritizingreal-worldinteractionscanensurethatsocialmediaenhancesratherthandetractsfromourwell-being.Explanation:Theparagraphexpressesabalancedview,incorporatesrequiredphrases,andfollowsproperparagraphstructure.2.Imagineyouarewritingalettertoafriendaboutyourexperiencewithsocialmedia.Writethreesentencesdescribinghowsocialmediahasaffectedyou.Answer:Socialmediahashelpedmestayintouchwithfriendswholivefaraway,butithasalsomademefeelanxiouswhenIcomparemyselftoothersonline.Itisimportanttorememberthatpeopleoftenpresentidealizedversionsoftheirlivesonsocialmedia.Balancingmytimebetweenonlineandofflineactivitieshasimprovedmymentalhealth.Explanation:Thesentencesreflectpersonalexperience,incorporaterequiredphrases,andmaintainacoherentnarrative.3.Writeadebatespeech(4-5sentences)forthe"against"sideinadebateonwhetherteenagersshouldbeallowedtousesocialmediaduringschoolhours.Answer:Teenagersshouldnotbeallowedtousesocialmediaduringschoolhoursbecauseitcandistractthemfromtheirstudiesandleadtoloweracademicperformance.Socialmediausecanalsoencouragemultitasking,whichhasbeenshowntoreducefocusandefficiency.Schoolsshouldprioritizelearningandprovideadistraction-freeenvironmentforstudentstoconcentrate.Explanation:Thespeechpresentsaclearargumentagainstsocialmediauseinschools,usinglogicalreasoning.4.Writeashortparagraph(5-7sentences)explaininghowtousethestructure"Itisimportantto+verb(baseform)"togiveadvice.Answer:Thestructure"Itisimportantto+verb(baseform)"isusefulforgivingadviceinapoliteandencouragingway.Forexample,"Itisimportanttoexerciseregularly"suggestsahealthyhabitwithoutbeingtoodirective.Thisstructurecanbeusedinvariouscontexts,suchasencouragingsomeonetostudyharderortaketimeforself-care.Byframingadvicethisway,wecanexpressourrecommendationsinasupportivemanner.Explanation:Theparagraphexplainsthestructure'spurposeandprovidesexamples,maintainingclarityandcoherence.5.Writeashortparagraph(5-7sentences)describingasituationwheresomeonemightexperience"anxiety."Answer:Manypeopleexperienceanxietybeforeimportantevents,suchasexamsorjobinterviews.Forexample,astudentmightfeelanxietywhentheyrealizetheyhaven'tstudiedenoughforatest.Thisanxietycanmanifestasnervousness,sweating,ordifficultyconcentrating.Itisimportanttorecognizethesefeelingsanddevelopcopingstrategies,suchasdeepbreathingorpositiveself-talk.Overcominganxietycanimproveperformanceandoverallwell-being.Explanation:Theparagraphdescribesarelatablescenario,incorporatestherequiredterm,andprovidesacomprehensiveexplanation.6.Writeashortparagraph(5-7sentences)explaininghowtochangeasentencefromdirectspeechtoreportedspeech.Answer:Tochangeasentencefromdirectspeechtoreportedspeech,youneedtoadjustthepronouns,tense,andsometimestheadverbs.Forexample,"Hesaid,'Iamtired'"becomes"Hesaidthathewastired."Ifthereportingverbisinthepast,thetensechanges(e.g.,"will"to"would").Itisimportanttopayattentiontothesedetailstoensureaccuracy.Explanation:Theparagraphexplainstheprocessofchangingdirectspeechtoreportedspeech,providingclearexamplesandinstructions.7.Writeashortparagraph(5-7sentences)abouttheimportanceof"cyberbullying"awareness.Answer:Cyberbullyingisaseriousproblemthataffectsmanypeople,especiallyteenagers.Itisimportanttoraiseawarenessaboutcyberbullyingbecauseitcanleadtoemotionaldistress,depression,andevenself-harm.Schoolsandparentsshouldeducatestudentsabouttheconsequencesofcyberbullyingandprovidesupportforvictims.Byfosteringacultureofrespectonline,wecancreateasaferdigitalenvironmentforeveryone.Explanation:Theparagraphhighlightsthesignificanceofcyberbullyingawareness,usinglogicalargumentsandsupportingdetails.8.Writeashortparagraph(5-7sentences)abouthow"Itisimportantto+verb(baseform)"canbeusedinwritinganessay.Answer:Thestructure"Itisimportantto+verb(baseform)"isusefulinessaywritingtoemphasizekeyactionsorhabits.Forexample,"Itisimportanttoresearchthoroughly"canbeusedtostresstheimportanceofpreparation.Thisstructurehelpsorganizetheessaybyhighlightingessentialpoints.Byusingiteffectively,writerscanguidereaderstowardunderstandingthemainmessages.Explanation:Theparagraphexplainsthestructure'sroleinessaywriting,providingcontextandexamples.【标准答案及解析】一、单项选择题1.CExplanation:Thepassagefocusesonthenegativeeffectsofsocialmedia,makingCthecorrectanswer.2.BExplanation:Thestatisticsuggestssocialcomparisonissues,aligningwithoptionB.3.CExplanation:Thestudylinksexcessiveusetoloneliness,supportingC.4.AExplanation:OptionAcorrectlyusesthestructure"Itisimportantto+verb(baseform)."5.BExplanation:OptionBpresentsabalancedview,asrequired.6.CExplanation:OptionCsupportsthe"against"sidebyhighlightingdistractions.7.BExplanation:OptionBcorrectlyuses"anxiety"todescribeafeeling.8.BExplanation:Thepassagestatestheopposite—excessiveuseislinkedtoloneliness.9.AExplanation:Thecorrectreportedspeechformis"hewastired."10.CExplanation:OptionCoffersabalancedthesisfortheessay.二、填空题1.mentalhealthproblemsExplanation:Thepassagediscussesanxiety,depression,andothermentalissues.2.stressedExplanation:Thesurveyresultsindicatestressfromsocialmediause.3.exerciseExplanation:Theexamplesentencepromotesahealthyhabit.4.lonelinessExplanation:Thestudylinksexcessiveusetohigherloneliness.5.anxietyExplanation:Thesentencerequiresthenounformoftheword.6.wouldgoExplanation:Thetensechangesfrom"will"to"would"inreportedspeech.7.harmfulExplanation:Thesentencedescribesthenegativeeffectsofoveruse.8.distractExplanation:Theargumentfocusesonthedisruptiveeffectofsocialmedia.9.onlineExplanation:Cyberbullyingisaformofonlinebullying.10.manageExplanation:Thesentencerelatestotimemanagement.三、判断题1.FalseExplanation:Thepassagediscussesnegativeeffects,contradictingthestatement.2.FalseExplanation:Thecorrectstatisticis70%,not80%.3.TrueExplanation:Theunitteachesthisstructurewithcorrectexamples.4.FalseExplanation:Thepassagestatestheopposite—excessiveuseislinkedtoloneliness.5.FalseExplanation:Thecorrectusageis"Sheisanxiousaboutpublicspeaking."6.FalseExplanation:Thetenseshouldchangefrom"will"to"would."7.FalseExplanation:Thetaskrequiresabalancedview,notextremeopinions.8.FalseExplanation:Thisargumentsupportsthe"for"side,notthe"against"side.9.FalseExplanation:Cyberbullyingisonlinebullying,notphysical.10.FalseExplanation:Thecorrectformis"Itisimportanttonotstudy."四、简答题1.-Anxietyanddepression-Pooracademicperformance-SocialisolationExplanation:Thepassagediscussesthesenegativeeffects.2.-Itisimportanttoexerciseregularly.-Itisimportanttogetenoughsleep.Explanation:Thesesentencesfollowthecorrectstructure.3.Teenagersmayusesocialmediatoescaperealitybecauseitoffersacontrolledenvironmentwheretheycanpresentidealizedversionsofthemselves,avoidingreal-lifefailuresorsocialawkwardness.Explanation:Thepassagesuggestsescapingreal-worldstressors.4.Shefeltanxietybeforeherdrivingtest.Explanation:Thesentencecorrectlyuses"anxiety"asanoun.5.Shesaidthatshewouldvisithergrandparentsthefollowingweek.Explanation:Thetensechangesfrom"will"to"would."6.-Socialmediacanprovideaccesstoeducationalresourcesandinformation.-Itcanhelpstudentsdevelopdigitalliteracyskills.Explanation:Theseargumentssupportsocialmediainschools.7.Socialmediacanbeusedforeducationalpurposes,suchascollaboratingonprojectsorsharingclassroomresources.Explanation:Thisargumentsupportsallowingsocialmediainschools.8.Cyberbullyingiswhensomeoneusesdigitalplatformstoharass,threaten,orembarrassanotherperson.Itisaproblembecauseitcancauseemotionaldistress,leadtoisolation,andsometimesresultinseriousconsequences.Explanation:Thedefinitionandimpactareaccurate.五、应用题1.Socialmediahasbecomeanintegralpartofourlives,butitcanbeharmfulifusedexcessively.Itisimportanttobalanceonlineandofflinelifetoavoidnegativeeffectslikeanxietyorpooracademicperformance.Whilesocialmediacanhelpusstayconnectedwithfriendsandaccessinformation,wemustbemindfulofhowmuchtimewespendonit.Settinglimitsandprioritizingreal-worldinteractionscanensurethatsocialmediaenhancesratherthandetractsfromourwell-being.Explanation:Theparagraphiswell-structured,incorporatesrequiredphrases,andexpressesabalancedview.2.Socialmediahashelpedmestayintouchwithfriendswholivefaraway,butithasalsomademefeelanxiouswhenIcomparemyselftoothersonline.Itisimportanttorememberthatpeopleoftenpresentidealizedversionsoftheirlivesonsocialmedia.Balancingmytimebetweenonlineandofflineactivitieshasimprovedmymentalhealth.Explanation:Thesentencesreflectpersonalexperienceandincorporaterequiredphrases.3.Teenagersshouldnotbeallowedto