2026年浙江省部编版高中二年级英语下册第12单元课后练习

2026年浙江省部编版高中二年级英语下册第12单元课后练习一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit12,whichofthefollowingstatementsbestdescribesthemainpurposeofthetext?Thepassagediscussestheimpactofsocialmediaonteenagers'mentalhealth,presentingbothpositiveandnegativeeffectswhilesuggestingwaystousesocialmediaresponsibly.A.Topersuadereaderstocompletelyabandonsocialmediabecauseitisharmful.B.Toentertainreaderswithfunnystoriesaboutteenagersusingsocialmedia.C.Toinformreadersaboutthemixedeffectsofsocialmediaandprovideadvice.D.Tosellabookabouthowtomakemorefriendsonsocialmedia.2.InthegrammarsectionofUnit12,whichstructureismostcommonlyusedtoexpresshypotheticalsituationsinthepresentorfuture?Theunitfocusesonconditionalsentences,particularlythesecondandthirdconditions.A.Presentperfectcontinuoustense.B.Futuresimpletensewith"will."C.Secondconditional(e.g.,"IfIhadmoretime,Iwouldstudymore").D.Pastperfecttense.3.ThevocabularylistinUnit12includestheword"anxiety."Accordingtothecontext,whichsentencecorrectlyuses"anxiety"todescribeafeeling?Theunitexplainsthat"anxiety"referstoafeelingofworryornervousness.A.Sheboughtanxietyforherbirthdaygift.B.Hefeltanxietywhenhesawthebigdog.C.Thedoctorgavethemanxietytocalmdown.D.Anxietyisacoloroftherainbow.4.InthespeakingactivityofUnit12,studentsareaskedtodebatewhethersocialmediaismorebeneficialorharmful.Whichskillismostimportantforthistask?Theactivityemphasizescriticalthinkingandpublicspeaking.A.Writingadetailedessay.B.Listeningcarefullytoothers'arguments.C.Drawingpicturesaboutsocialmedia.D.Singingasongrelatedtosocialmedia.5.ThereadingpassageinUnit12mentionsasurveyaboutteenagers'screentime.Whatistheprimarypurposeofincludingthissurvey?Thepassageusesdatatosupporttheargumentthatexcessivescreentimeaffectsmentalhealth.A.Toadvertiseanewsmartphone.B.Tocomparedifferenttypesofsocialmedia.C.Toshowthatteenagerspreferusingphones.D.Toprovideevidenceforthenegativeeffectsofscreentime.6.InthewritingsectionofUnit12,studentsareaskedtowritealettertoafriendabouttheirexperienceusingsocialmedia.Whichsentencewouldbemostappropriatetoincludeintheletter?Thetaskrequirespersonalreflectionandhonestopinions.A."Ithinksocialmediaisthebestthingever!"B."Accordingtoastudy,socialmediaisbadforhealth."C."Iusesocialmediaeveryday,butIdon'tknowwhy."D."IfIhadmoretime,Iwouldpostmorephotos."7.Theunitintroducestheconceptof"digitalcitizenship."Whichstatementbestexplainsthisterm?Thelessondefinesdigitalcitizenshipasresponsiblebehavioronline.A.Thenumberoffriendsyouhaveonsocialmedia.B.Theabilitytocreatethemostpopularposts.C.Howwellyoucanhideyouridentityonline.D.Respectingothersandfollowingonlinerules.8.InthelisteningactivityofUnit12,studentshearaconversationaboutmanagingstress.Whichquestionwouldbemostrelevanttothetopic?Theaudiofocusesoncopingstrategiesforstress.A."Whatistheweatherliketoday?"B."Howmuchdoesthenewphonecost?"C."Whataresomewaystoreducestress?"D."Whereisthenearestcoffeeshop?"9.Theunitincludesagrammarexerciseonpassivevoice.Whichsentencecorrectlyusespassivevoice?Theexerciseexplainsthatpassivevoiceisusedwhenthesubjectreceivestheaction.A.Theteamwonthegamebecausetheypracticedhard.B.Thegamewaswonbytheteam.C.Shewillcookdinnerforustonight.D.Heisreadingabooknow.10.Intheunittest,astudentisaskedtotranslate"Theexperimentwasconductedbythescientists."intoChinese.Whichtranslationiscorrect?Theunitincludestranslationexercisesfocusingonpassivevoice.A.科学家们进行了实验。B.实验由科学家们进行。C.实验是科学家们做的。D.科学家们正在做实验。二、填空题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit12,excessiveuseofsocialmediacanleadto_______amongteenagers.Thetextmentionsanxietyanddepressionasnegativeeffects.2.Thesecondconditionalisusedtotalkabout_______inthepresentorfuture.Theunitexplainsthatitexpresseshypotheticalsituations.3.Inthespeakingactivity,studentsareaskedto_______theiropinionsaboutsocialmedia.Thetaskrequiresexpressingpersonalviewsclearly.4.Thesurveyinthereadingpassageshowsthat_______ofteenagersspendmorethanthreehoursonsocialmediadaily.Thedatasupportstheargumentaboutscreentime.5.Whenwritingalettertoafriendinthewritingsection,itisimportanttouse_______language.Thetaskemphasizespersonalandsincereexpressions.6.Digitalcitizenshipincludesbeing_______toothersonline.Thelessonteachesstudentstobehaveresponsiblyontheinternet.7.Onewaytomanagestressmentionedinthelisteningactivityisto_______.Theaudioprovidespracticaladvicefordealingwithstress.8.Thepassivevoiceisoftenusedwhenthe_______oftheactionismoreimportantthanthesubject.Theexercisehighlightsthefocusonthereceiveroftheaction.9.Thetranslationexerciseintheunithelpsstudentsunderstandhowtoexpress_______inChinese.Thetaskfocusesonpassivevoicestructures.10.Intheunit,studentslearnthatsocialmediacanbeatoolfor_______andconnection.Thetextdiscussesbothpositiveandnegativeaspects.三、判断题（总共10题，每题2分，共20分）1.ThepassageinUnit12suggeststhatsocialmediahasnonegativeeffectsonteenagers'mentalhealth.(False)Thetextpresentsbothpositiveandnegativeimpacts.2.Thesecondconditionalisusedtotalkaboutrealsituationsinthepresentorfuture.(False)Itisusedforhypotheticalsituations.3.Inthespeakingactivity,studentsshouldavoidlisteningtoothers'arguments.(False)Listeningisanimportantpartofdebating.4.Thesurveyinthereadingpassageshowsthatallteenagersspendmorethanthreehoursonsocialmediadaily.(False)Thedataisaboutapercentage,notallstudents.5.Whenwritingalettertoafriend,itisacceptabletouseformallanguage.(False)Thetaskrequirespersonalandinformalexpressions.6.Digitalcitizenshipmeanshavingmanyfriendsonsocialmedia.(False)Itisaboutresponsibleonlinebehavior.7.Thelisteningactivityintheunitfocusesonwatchingavideoaboutstress.(False)Itinvolveslisteningtoaconversation.8.Thepassivevoiceisalwaysmoredifficulttounderstandthantheactivevoice.(False)Itdependsonthecontextandthereader'sfamiliarity.9.Thetranslationexerciseintheunitisonlyforadvancedstudents.(False)Itisdesignedforallstudentstopracticepassivevoice.10.Socialmediaisonlyusefulforsharingphotosandvideos.(False)Thetextdiscussesitsbroaderuses,suchascommunicationandinformationsharing.四、简答题（总共8题，每题2分，共16分）1.ExplainthedifferencebetweenthefirstandsecondconditionalinUnit12.Thefirstconditionalisusedforrealsituationsinthepresentorfuture(e.g.,"Ifitrains,Iwillcancelthepicnic"),whilethesecondconditionalisforhypotheticalsituations(e.g.,"IfIhadmoretime,Iwouldstudymore").2.Whatarethreewaystousesocialmediaresponsibly,asdiscussedintheunit?Threewaysincludelimitingscreentime,beingkindtoothersonline,andavoidingsharingpersonalinformation.3.Describeonecopingstrategyforstressmentionedinthelisteningactivity.Onestrategyisexercise,whichhelpsreducestressbyimprovingphysicalandmentalhealth.4.Whyisthepassivevoiceimportantinacademicwriting,accordingtotheunit?Thepassivevoiceisimportantbecauseitfocusesontheactionorresultratherthantheperformer,whichisoftenmorerelevantinacademiccontexts.5.HowcanstudentsprepareforthespeakingactivityinUnit12?Studentscanpreparebypracticingtheirarguments,organizingtheirthoughts,andlisteningtoothers'opinions.6.WhatisthemainideaofthereadingpassageinUnit12?Themainideaisthatexcessiveuseofsocialmediacannegativelyaffectteenagers'mentalhealth,butitalsohaspositiveaspectswhenusedresponsibly.7.Whyisdigitalcitizenshipimportantintoday'ssociety?Digitalcitizenshipisimportantbecauseitteachesresponsiblebehavioronline,whichhelpscreateasafeandrespectfulinternetenvironment.8.Howcanstudentsimprovetheirtranslationskillsintheunit?Studentscanimprovebypracticingtranslations,studyinggrammarrules,andcheckingtheirworkcarefully.五、应用题（总共8题，每题4分，共24分）1.Writeashortparagraph(50words)abouthowyouusesocialmedia.Includeonepositiveandonenegativeeffect.Iusesocialmediatostayconnectedwithfriendsandgetnews,butitsometimesmakesmefeelanxiousbecauseofcomparisons.2.TranslatethefollowingsentenceintoEnglishusingthesecondconditional:"IfIhadmorefreetime,Iwouldtravelmore."3.Createadialogue(60words)betweentwostudentsdiscussingwhethersocialmediaismorebeneficialorharmful.StudentA:"Ithinksocialmediaisharmfulbecauseitcausesanxiety."StudentB:"Idisagree;ithelpsmestayinformed."4.Writeapassivevoicesentenceabouttheexperimentconductedbythescientistsintheunit.Theexperimentwasdesignedbythescientiststostudysocialmediaeffects.5.Describeasituationwhereyouwouldusethepassivevoiceinaformalletter.Forexample,"ThereportwassubmittedbytheteamonFriday."6.Imagineyouarewritingalettertoafriendaboutyourexperienceusingsocialmedia.Writetwosentencesusinginformallanguage.Forexample,"Ilovepostingphotos,butIhatewhenpeoplejudgeme."7.Createashortdebate(70words)aboutwhetherteenagersshouldbeallowedtousesocialmedia.Pro:"Yes,ithelpswithsocialconnection."Con:"No,itdistractsfromstudies."8.Writeaparagraph(60words)explaininghowtobeagooddigitalcitizen.Alwaysberespectful,protectpersonalinformation,andfollowonlinerulestocreateapositiveinternetenvironment.【标准答案及解析】一、单项选择题1.C解析：Thepassagediscussesbothpositiveandnegativeeffectsofsocialmediaandprovidesadvice,makingCthecorrectanswer.Aisextreme;Bisirrelevant;Disaboutsellingabook,notinforming.2.C解析：Thesecondconditional(e.g.,"IfIhadmoretime,Iwouldstudymore")isusedforhypotheticalsituations,asexplainedintheunit.A,B,andDareincorrecttensestructures.3.B解析："Hefeltanxietywhenhesawthebigdog"correctlyuses"anxiety"todescribeafeeling.A,C,andDmisusetheword.4.B解析：Debatingrequireslisteningtoothers'arguments,asemphasizedintheactivity.A,C,andDareunrelatedskills.5.D解析：Thesurveyprovidesevidenceforthenegativeeffectsofscreentime,supportingthepassage'sargument.A,B,andCareincorrectpurposes.6.D解析："IfIhadmoretime,Iwouldpostmorephotos"reflectspersonalreflection,asrequired.Aisoverlypositive;Bisfactual;Cisunclear.7.D解析："Respectingothersandfollowingonlinerules"correctlydefinesdigitalcitizenship.A,B,andCareincorrectinterpretations.8.C解析："Whataresomewaystoreducestress?"isrelevanttothetopicofcopingstrategies.A,B,andDareunrelated.9.B解析："Thegamewaswonbytheteam"correctlyusespassivevoice.A,C,andDuseactivevoice.10.B解析："实验由科学家们进行"isthecorrecttranslationofthepassivevoicesentence.A,C,andDareincorrect.二、填空题1.anxiety解析："Thepassagementionsanxietyanddepressionasnegativeeffects,"asdiscussedintheunit.2.hypotheticalsituations解析："Thesecondconditionalexpresseshypotheticalsituations,"asexplainedintheunit.3.express解析："Thetaskrequiresexpressingpersonalviewsclearly,"asstatedintheactivity.4.alargepercentage解析："Thedatashowsalargepercentageofteenagersspendmorethanthreehoursdaily,"asmentionedinthepassage.5.informal解析："Thetaskrequirespersonalandsincereexpressions,"asnotedinthewritingsection.6.respectful解析："Digitalcitizenshipincludesbeingrespectfultoothersonline,"asdefinedinthelesson.7.exercise解析："Onewaytomanagestressisexercise,"asmentionedinthelisteningactivity.8.receiver解析："Thepassivevoicefocusesonthereceiveroftheaction,"asexplainedintheexercise.9.passivevoice解析："Thetranslationexercisehelpsstudentsunderstandpassivevoicestructures,"asstatedintheunit.10.communication解析："Socialmediacanbeatoolforcommunicationandconnection,"asdiscussedinthetext.三、判断题1.False解析："Thetextpresentsbothpositiveandnegativeimpacts,"sothestatementisfalse.2.False解析："Thesecondconditionalisforhypotheticalsituations,"notrealones.3.False解析："Listeningisanimportantpartofdebating,"asemphasizedintheactivity.4.False解析："Thedataisaboutapercentage,notallstudents,"asnotedinthepassage.5.False解析："Thetaskrequirespersonalandinformalexpressions,"asstatedinthewritingsection.6.False解析："Digitalcitizenshipisaboutresponsibleonlinebehavior,"notthenumberoffriends.7.False解析："Itinvolveslisteningtoaconversation,"asmentionedintheactivity.8.False解析："Itdependsonthecontext,"sothestatementisnotalwaystrue.9.False解析："Itisdesignedforallstudents,"asstatedintheunit.10.False解析："Thetextdiscussesbroaderuses,"sothestatementisfalse.四、简答题1.Thefirstconditionalisforrealsituations(e.g.,"Ifitrains,Iwillcancelthepicnic"),whilethesecondconditionalisforhypotheticalsituations(e.g.,"IfIhadmoretime,Iwouldstudymore").2.Threewaystousesocialmediaresponsiblyincludelimitingscreentime,beingkindtoothersonline,andavoidingsharingpersonalinformation.3.Onecopingstrategyfor