2026学年高三英语下册第三单元必背知识点第一次月考含答案及解析

2026学年高三英语下册第三单元必背知识点第一次月考含答案及解析考试时长：120分钟满分：100分班级：__________姓名：__________学号：__________得分：__________考核对象：高三学生试卷总分：100分一、单选题（总共10题，每题2分，共20分）1.Whatisthemainideaofthepassage"TheImpactofSocialMediaonTeenagers"?A.Socialmediaisbeneficialforteenagers'socialskills.B.Socialmediahasbothpositiveandnegativeeffectsonteenagers.C.Teenagersshouldcompletelyavoidusingsocialmedia.D.Socialmediaplatformsaredesignedtomaketeenagersmoreproductive.2.Accordingtothetext,whichofthefollowingisNOTacommonproblemcausedbyexcessivesocialmediause?A.SleepdeprivationB.IncreasedcreativityC.CyberbullyingD.Mentalhealthissues3.Theword"ubiquitous"inthepassagemostlikelymeans:A.RareB.CommonC.ExpensiveD.Dangerous4.Whatdoestheauthorsuggestasawaytomitigatethenegativeeffectsofsocialmedia?A.Deletingallsocialmediaaccounts.B.Limitingscreentimeandengaginginofflineactivities.C.Increasingthenumberoffollowerstogainpopularity.D.Ignoringnegativecommentstoavoidstress.5.ThepassageusestheexampleofateenagernamedLiamtoillustrate:A.Howsocialmediacanhelpincareerdevelopment.B.Theimportanceofdigitalliteracy.C.Thedangersofsharingpersonalinformationonline.D.Theroleofparentsinmonitoringsocialmediause.6.Whichsentencefromthepassageisanexampleofpersuasivewriting?A."Manyteenagersspendhoursonsocialmediaeveryday."B."Socialmediacanbeapowerfultoolifusedwisely."C."Theaverageteenagercheckstheirphone50timesaday."D."Somesocialmediaplatformsaremorepopularthanothers."7.Thephrase"digitalfootprint"refersto:A.Thenumberoflikesapostreceives.B.Thetrailofonlineactivityleftbyaperson.C.Thetotalvalueofaperson'ssocialmediaaccounts.D.Thenumberoffollowersapersonhas.8.Accordingtothepassage,whatisakeyskillfornavigatingsocialmediaresponsibly?A.Postingthemostattractivephotos.B.Ignoringallcommentstoavoidconflict.C.Criticalthinkingandself-awareness.D.Havingthelargestnumberoffriends.9.TheauthormentionsthecaseofagirlnamedChloetoemphasize:A.Theimportanceofonlineprivacy.B.Thebenefitsofsocialmediafornetworking.C.Theimpactofsocialmediaonacademicperformance.D.Theroleofteachersinguidingstudents.10.Whatistheauthor'soveralltonetowardsocialmedia?A.CompletelycriticalB.CompletelysupportiveC.NeutralandobjectiveD.Indifferent参考答案：1.B2.B3.B4.B5.C6.B7.B8.C9.A10.C二、填空题（总共10题，每题2分，共20分）1.Thepassagestatesthatsocialmediacanleadto_______amongteenagers.2.Liam'sexperienceshowsthatbeingawareofone's_______iscrucial.3.Theauthorsuggeststhatparentsshould_______theirchildren'ssocialmediause.4.A"digitalfootprint"isa_______ofaperson'sonlineactivities.5.Thetextmentionsthatexcessivesocialmediausecanresultin_______problems.6.Criticalthinkinghelpsteenagers_______falseinformationonline.7.Thephrase"ubiquitous"describeshowsocialmediaispresentin_______aspectsoflife.8.Cyberbullyingisaseriousissuethatcancauselong-term_______effects.9.Thepassagerecommendsthatteenagersshould_______theirscreentimetomaintainahealthylifestyle.10.Digitalliteracyisessentialforunderstandingthe_______andlimitationsofsocialmedia.参考答案：1.anxiety2.digitalfootprint3.monitor4.record5.mental6.identify7.every8.psychological9.limit10.complexities三、判断题（总共10题，每题2分，共20分）1.Thepassagearguesthatsocialmediahasnonegativeeffectsonteenagers.(×)2.Socialmediauseismorebeneficialthanharmfulformostteenagers.(×)3.Theauthorbelievesthatteenagersshouldavoidsocialmediaentirely.(×)4.Digitalliteracyismentionedasawaytoreducetherisksofsocialmedia.(√)5.Thetextsuggeststhatsocialmediaisonlyusedforentertainmentpurposes.(×)6.Liam'sstorydemonstratesthepositiveimpactofsocialmediaonhislife.(×)7.Thephrase"ubiquitous"meansthatsocialmediaisrareanduncommon.(×)8.Theauthorrecommendsthatteenagersshouldpostasmuchaspossibletogainpopularity.(×)9.Sleepdeprivationislistedasapositiveeffectofsocialmediause.(×)10.Thepassagefocusesonlyontheproblemscausedbysocialmedia.(×)参考答案：1.×2.×3.×4.√5.×6.×7.×8.×9.×10.×四、简答题（总共3题，每题4分，共12分）1.Whatarethreemainnegativeeffectsofexcessivesocialmediausementionedinthepassage?参考答案：-Sleepdeprivation-Mentalhealthissues(e.g.,anxiety,depression)-Cyberbullying2.Howcanparentshelptheirchildrenusesocialmediaresponsibly?参考答案：-Settimelimitsforsocialmediause.-Monitortheirchildren'sonlineactivities.-Teachthemaboutdigitalliteracyandonlinesafety.3.Whatdoes"digitalfootprint"mean,andwhyisitimportanttomanageit?参考答案：-Adigitalfootprintisthetrailofonlineactivityleftbyaperson,includingposts,comments,andshares.-Itisimportanttomanageitbecauseitcanaffectfutureopportunities(e.g.,collegeadmissions,jobapplications)andpersonalreputation.五、应用题（总共2题，每题9分，共18分）1.Imagineyouareahighschoolstudentwhousessocialmediadaily.Writeashortparagraph(about100words)explaininghowyoucanusesocialmediaresponsiblywhilestillenjoyingitsbenefits.参考答案：Socialmediacanbeagreattoolifusedwisely.Ilimitmyscreentimetoonehourperdayandfocusonpositivecontent,suchaseducationalpostsandupdatesfromfriends.Ialsoavoidsharingpersonalinformationandbemindfulofmydigitalfootprint.IfIencountercyberbullying,Ireportitimmediately.Bybeingawareoftherisksandsettingboundaries,Icanenjoysocialmediawithoutharmingmymentalhealthoracademicperformance.2.Supposeyourschoolisorganizingaworkshopon"DigitalLiteracyandSocialMediaSafety."Writeabriefoutline(about150words)fortheworkshop,includingkeytopicsandactivities.参考答案：WorkshopOutline:DigitalLiteracyandSocialMediaSafety-Introduction(10mins):Brieflyexplaintheimportanceofdigitalliteracy.-KeyTopics(30mins):-Understandingdigitalfootprintsandonlineprivacy.-Recognizingfakenewsandmisinformation.-Preventingcyberbullyingandonlineharassment.-Activities(40mins):-Groupdiscussion:Sharepersonalexperienceswithsocialmedia.-Role-playing:Simulatecyberbullyingscenariosanddiscusssolutions.-Interactivequiz:Testknowledgeononlinesafety.-Conclusion(10mins):Recapkeytakeawaysandencourageresponsiblesocialmediause.标准答案及解析一、单选题1.B-Thepassagediscussesbothpositiveandnegativeeffects,making"B"themostaccurateanswer.2.B-Increasedcreativityisnotmentionedasaproblem;theothersare.3.B-"Ubiquitous"meanscommonorwidespread.4.B-Theauthorsuggestslimitingscreentimeandengaginginofflineactivities.5.C-Liam'sstoryfocusesonthedangersofsharingpersonalinformation.6.B-"Socialmediacanbeapowerfultoolifusedwisely"ispersuasive.7.B-Adigitalfootprintisthetrailofonlineactivity.8.C-Criticalthinkingandself-awarenessarekeyforresponsibleuse.9.A-Chloe'sstoryhighlightstheimportanceofonlineprivacy.10.C-Theauthorisneutralandpresentsbothsides.二、填空题1.anxiety-Thepassagementionsstressandmentalhealthissues.2.digitalfootprint-Liam'sstoryemphasizesmanagingonlinepresence.3.monitor-Parentsshouldkeepaneyeonusage.4.record-Adigitalfootprintisahistoryofonlineactions.5.mental-Sleepdeprivationandpsychologicaleffectsarenoted.6.identify-Criticalthinkinghelpsspotfalseinformation.7.every-Socialmediaispresentinallaspectsoflife.8.psychological-Cyberbullyingcauseslong-termmentalharm.9.limit-Thepassageadvisesreducingscreentime.10.complexities-Digitalliteracyhelpsunderstandlimitations.三、判断题1.×-Thepassagediscussesbothprosandcons.2.×-Theauthorisbalanced,notbiased.3.×-Theauthorsuggestsresponsibleuse,notavoidance.4.√-Digitalliteracyismentionedasasolution.5.×-Socialmediahasmultipleusesbeyondentertainment.6.×-Liam'sstoryshowsnegativeconsequences.7.×-"Ubiquitous"meanscommon,notrare.8.×-Theauthoradvisesmoderation,notexcessiveposting.