2025届新教材高考英语全程一轮复习Unit1TeenageLife学生用书新人教版必修第一册

UNIT1TEENAGELIFE(一)分类识记单词——用时少·功效高识记单词写对Ⅰ.知其意1．teenageadj.________________2．balletn.________________3．greenhousen.________________4．freshmann.________________5．extra-curricularadj.________________6．editorn.________________7．platen.________________8．youthn.________________9．extraadj.________________Ⅱ.写其形1．________n．辩论；争辩；vt.&vi.辩论；争辩2．__________n．内容；[pl.]书目；(书、讲话、节目等的)主题3．__________n．(书、诗歌等的)名称；标题；职称；头衔4．________n．话题；标题5．________adv.事实上；的确6．__________n．专家；行家；adj.娴熟的；内行的；专家的7．________n．一代(人)8．__________vi.&vt.集中(精力、留意力等)；(使)调整焦距；n.中心；重点；焦点9．________n．冒险；奇遇核心单词练通1．[2024·新高考卷Ⅰ]AsaregularreaderofYouth,Iamfascinatedbycolumnson________(青少年).2．________(自不待言),maintainingahealthyandbalanceddietisofgreatimportancetousall.3．[2024·天津卷3月]Both________(成年人)andyoungstersaged13＋arerequiredtodeliverournewspaper.4．[2024·江苏卷]ThesefilmscanhelpforeignfriendsbetterunderstandChinese________(文学),geography,history,food.5．TheworldAdolescentRoboticsCompetitionis__________(支配；预定)tobeheldattheendofJulyinTianjin.6．Withaseriousillnesstotreat,thegirlhad________(放弃)schoolbytheendoflastterm.拓展单词用活Ⅰ.记全记牢1．volunteern．志愿者→________adj.志愿的；自愿的2．prefervt.较宠爱→__________n．宠爱；偏爱3．movevi.移动；搬家，迁移；离开vt.移动；感动→________n．动作；运动；活动4．suitvt.适合；使相宜→__________adj.合适的；适用的5．________n．挑战；艰难任务vt.怀疑；向……挑战→________adj.具有挑战性的6．________vt.使糊涂；使迷惑→__________adj.令人迷惑的→__________adj.感到迷惑的→__________n．迷惑7．________vi.&vt.毕业；获得学位→__________n．毕业；毕业典礼8．________n．前进；发展vi.前进；发展vt.发展；促进→__________adj.高级的；先进的9．________adj.负责的；有责任的→__________n．责任；义务10．solvevt.解决→________n．解决方法；答案11．behavevt.&vi.举动；(举止或行为)表现→________n.行为；举止12．________vt.吸引；引起……的留意(或爱好)→________n．有吸引力的事物；吸引→________adj.吸引人的13．________n．对……入迷的人；吸毒成瘾的人→________adj.有瘾的；上瘾的；入迷的14．________vt.举荐，建议→________n．建议，举荐15．________adj.流利的；流畅的→________adv.流畅地；流畅地→________n．流利；流畅Ⅱ.用准用活1．①[2024·新高考Ⅱ卷]Peopleweretryingtohelpeachothermeetthe________(challenge).②Asamatteroffact,teachingyoungchildrenisa________(challenge)andrewardingjob.2．①Asisknowntous,thesceneryoftheWestLakeisvery________(attract).②[2024·新高考Ⅰ卷]HotelandHostelDesArtistesislocatedjusta10-minutewalkfromthecentralcitystationandit'sclosetoallofthecity'smain________(attract).3．①[2024·山东卷]After________(graduate),sheworkedtohelphersistersandbrotherspayfortheirschooling.②The25-year-oldlady,who________(graduate)fromPrincetonUniversityLawSchool,hasmanynovelideas.4．[全国Ⅰ卷，书面表达]Iwouldliketodosome________workintheexhibition.SoIamwritingthisletteraskingtobea________．(voluntary)5．Ateachershouldnotshow________foranyoneofhispupils,but________tomakefriendswiththepolitestudents.(prefer)6．Hewasreally________bythe________problemwhichalso________peopleforalongtime.(confuse)7．Withthehelpofthe________technology,wecancompletethetaskin________．(advance)8．Thechild________sowellinclassthattheteacherpraisedhisgood________infrontofothers.(behave)9．StudentsarerequiredtowearlooseclothesinPEclasseswhichgivethemgreaterfreedomof________(move).10．Myteachernotonlyhelpedmetalkthroughmyproblemsbutalsogavememoreeffective________(solve).(二)语境记忆短语——不枯燥·爱好高Ⅰ.记全记牢1．________________宠爱……多于……2．________________打扫(或清除)干净3．________________对……适合的4．________________报名(参与课程)5．________________对……负责6．________________宠爱7．________________集中；特殊关注8．________________对……很入迷9．________________参与俱乐部10．________________习惯于；适应于11．________________做好打算12．________________玩得快乐Ⅱ.用准用活选用左栏短语填空1．MyparentsandIspentthewholemorning____________ourhouseforwelcominganimportantguest.2．Nowadayseveryone________________buildingupaharmonioussocietyinChina.3．Wehighlyrecommendyoushould____________thiscoursedesignedforthebeginners.4．Ifwelearntoacceptchangeandappreciatewhatisnewanddifferent,wewill________________whateverthefuturemanyhaveinstore.5．Weoughtto________________abalanceddiet,whichensuresusthenecessarynutrition.·会积累联想拓展·1．宠爱与否①preferencen.宠爱；偏爱②dislikevt.不宠爱③likevt.宠爱④fondadj.宠爱的⑤bekeenon宠爱；渴望2.“建议”高频词小结①recommendvt.举荐②recommendationn.举荐③advicen.建议；忠告④suggestvt.建议；提议⑤advisevt.建议；忠告3．“be＋动词-ed＋to”短语荟萃①beattractedto宠爱②bedevotedto致力于，用心于③beopposedto反对④beaccustomedto习惯于⑤beaddictedto对……很入迷(三)仿写用活句式——造佳句·表达高句式背诵句型1sothat在句中引导目的状语从句I'llfindawaytoimproveonmyownsothatIcanmaketheteamnextyear.我会找到方法来自我提升以便于明年加入足球队。句型2Itis＋形容词＋todosth.I'mabitworriedaboutkeepingupwiththeotherstudentsinmyadvancedcourse,andit'llbequitedifficulttogetusedtoallthehomework.在高级课程中要跟上其他学生让我有点儿担忧，而且习惯于全部的作业也有很大的困难。句型3makeit＋形容词＋todosth.Butspendingtoomuchtimeonlineisunhealthyandmakesitverydifficulttofocusonotherthingsinlife.但花费过多的时间在网络上是不健康的，并且也使得集中精力在生活的其他事情上变得特别困难。句式仿写1．[2024·浙江卷6月]她问那位妇女的名字和地址，以便她能报答她。Sheaskedforthewoman'snameandaddress_________________________.2．我在英语口语方面有困难，因此，对我来说，找到一个以英语为母语的人学习真是太有必要了。IhavesomedifficultywithmyoralEnglish,so______________________________．3．我发觉和我的新同学相处很难。I____________________mynewclassmates.过重难解惑释疑——先练透再写美·互动探究1.prefervt.较宠爱(preferred；preferred)(1)prefertodo/doingsth.宠爱做某事prefersth.tosth. 宠爱某物而不宠爱某物(2)preferdoingsth.todoingsth.＝prefertodosth.ratherthandosth.＝woulddosth.ratherthandosth.＝wouldratherdosth.thandosth.宁愿做某事而不愿做某事(3)preferencen． 偏爱；优先权；偏爱的事物have/showapreferencefor偏爱[佳句]Insteadofbuyingthem,IprefertolearnaboutthecultureandhistorybehindtheHanfu.我更宠爱学习汉服背后的文化和历史，而不是买汉服。[近义]favour[指津]prefer不用于进行时；不行与比较级连用。[练透]——单句语法填空①[2024·新高考卷Ⅰ]Weprefer____________(describe)emotionalintelligenceasaspecificsetofskillsthatcanbeusedforeithergoodorbadpurposes.②Theteenagevolunteerpreferredcleaningupthegreenhouseofhisschool________playingmeaninglessvideogames.③[天津卷]Severalreasonsmayaccountformy________(prefer)forwesternpainting.[写美]——一句多译我宁愿过简洁的生活也不愿奢侈有限的资源。(prefer)④I______________thelimitedresources.⑤I______________thelimitedresources.2.recommendvt.建议；举荐；介绍(1)recommenddoingsth.建议做某事recommendsb.todosth.建议某人做某事recommendthatsb.(should)dosth.建议某人做某事(2)recommendsth.tosb.向某人举荐某物recommendsb.as...举荐某人当……(3)recommendationn.举荐；介绍信[佳句]Iwouldrecommendanexchangeprogramtoanyonewhowantstoexperienceforeignculturesandgainmeaningfulfriendships.我向全部想要体验外国文化并收获非凡友情的人举荐这样一个沟通项目。[近义]advise,suggest,persuade,introduce,[练透]——单句语法填空①Eyedoctorsrecommendthatachild'sfirsteyeexam________(be)attheageofsixmonthsold.②MyEnglishteacherrecommended________(buy)anEnglish-Chinesedictionarywhichhethoughtwouldbeofgreathelptomystudies.③[2024·新高考Ⅰ卷]IfIhadtomakejustone________(recommend)forwheretostayinRome,itwouldbeYellowHostel.[写美]——词汇升级④IsuggestthatyoufirstflytoBeijing,whereyoucanstayforaweek.→I________thatyoufirstflytoBeijing,whereyoucanstayforaweek.3.schedulen．工作支配；日程支配vt.支配；预定(1)aheadofschedule提前onschedule按时atightschedule日程紧(2)bescheduledfor 定在bescheduledtodosth. 支配做某事[佳句]Don'tbelateforthe9：00meetingbecauseIamonatightscheduleandhavetocatchthe11：00train.[2024·天津卷5月]9点的会议不要迟到，因为我的时间很紧，还要赶11点的火车。[练透]——单句语法填空①Weshouldworkextrahoursontheprojecttocompleteit________scheduleorevenaheadofschedule.②As________(schedule),thecross-countryrunningracewasheldlastFriday.[写美]——应用文佳句③[2024·天津卷，书面表达]这个典礼定于6月8日实行，其间我们将会回顾以往的大事务。____________________，duringwhichwewillreviewthepastevents.4.suitableadj.合适的；适用的(1)besuitablefor...适合于……besuitabletodosth.适合做某事(2)suitn.一套外衣；套装vt.适合；使相宜suit...to...使……适合……suitone'sneeds 适合某人的须要[佳句]Ifyoulookatallsidesofthesituation,you'llfindprobablyasolutionthatsuitseveryone.[2024·江苏卷]假如你从各个方面看问题，你可能会找到一个适合每个人的解决方案。[指津](1)suit多指合乎须要、口味、性格、款式等；(2)fit多指大小、形态的合适；(3)match多指色调、形态、性质等方面的搭配。[练透]——单句语法填空①However，hisadviserhelpedhimchoose________(suit)coursesandrecommendedthatheshouldsignupforadvancedliterature.②Agoodteachersuitshislessons________theageofhispupils.[写美]——一句多译[全国Ⅰ卷，书面表达]因为我精通英语，所以我认为我适合这项志愿者工作。③IdobelieveI________________________thisvoluntarywork，becauseIhaveagoodknowledgeofEnglish.④Idobelievethisvoluntarywork________，becauseIhaveagoodknowledgeofEnglish.5.advancen．前进；发展vi.前进；发展vt.发展；促进(1)inadvance＝aheadoftime提前makeadvancesin在……方面取得进步(2)advancetowardssb./sth.向着某人/某物前进(3)advancedadj.先进的；高级的advancedtechnology先进的技术[佳句]Anyonewhowantstotaketheadvancedliteraturecoursemustsignupforitinadvance.任何想要参与高级文学课程的人必需提前报名。[指津](1)advance(发展；促进)不与forward连用；(2)enter(进入)不与into连用；(3)return(回来)不与back连用。[练透]——单句语法填空①Withthehelpofthe________(advance)technology,wecancompletethetask________advance.②[2024·天津卷3月]Greatimprovementsinpublichealthhavebeenbroughtaboutby________(advance)inmedicalscience.③[2024·山东卷]Shedecidedtogobacktocollege____________(advance)hercareer.[写美]——应用文佳句④这个讲座会提高你对中国传统文化的相识。Thelecture__________________________．6.responsibleadj.负责的；有责任的(1)beresponsibleforsth.对……负责(2)responsibilityn.责任；义务takeresponsibilityforsth.对……负责asenseofresponsibility责任感Itissb.'sresponsibilitytodosth.做某事是某人的职责[佳句]Heholdsthebeliefthathowimportantitistostandonyourowntwofeetandberesponsibleforyourownacts.他信任脚踏实地和为自己行为负责是特别重要的。[练透]——单句语法填空①Asanadult,youshouldberesponsible________yourbehaviours.②[2024·天津卷]Wearealldeeplymovedbytheceremony，fromwhichwerealizethatthesenseof________(responsible)alwaysaccompaniestheprocessofourgrowth.[写美]——应用文佳句③[2024·全国Ⅰ卷，书面表达]首先，做家务有助于我们成为一个负责任的人。Firstly,doinghouseworkishelpfulforus__________________．7.focusn．中心；重点；焦点vi.&vt.集中(精力、留意力等)(1)focuson...集中于……focusone'sattention/eyes/energyon...集中留意力/目光/精力于……(2)thefocusofattention/concern留意力/关注的焦点[佳句]Ifyoufocusyourattentiononyourlessons,you'llmakegreatprogress.假如你专注于功课，你就会取得很大的进步。[联想]表示“集中精力于……”的短语荟萃：①concentrate(one'sattention)on②fixone'sattentionon③centeron④payattentionto[练透]——单句语法填空①[2024·1月浙江卷，书面表达]Thecontest,whichisscheduledtobeheldinourschoolhallonJanuary18th,willfocus________thetraditionalChineseculture.②Withhisattention________(focus)onhishomework,heforgotallaboutwhatIhadtoldhim.[写美]——应用文之建议信③深呼吸，放松自己，而不是专注于带给你压力的事情，你就会很快入睡。Takeadeepbreathandrelaxyourself__________________，andyouwillfallasleepsoon.8.attractvt.吸引；引起……的留意(或爱好)(1)beattractedto为……所吸引attractone'sattention吸引某人的留意力(2)attractionn.吸引人的事物touristattractions＝placesofinterest旅游胜地(3)attractiveadj. 有吸引力的；引起留意的[佳句]Moreimportantly,itisthefamoustouristspotsofBeijingthatattractalargenumberoftouristsfromallovertheworldeveryyear.[2024·天津卷3月，书面表达]更重要的是，北京的闻名旅游景点每年都吸引着大量来自世界各地的游客。[练透]——单句语法填空①Theexpertwasattracted________thenewsolutiontotheconfusingproblem.②Therearemanytourist________(attract)inQufu，thehometownofConfucius.③This________(attract)tourtakesyoutosomeofSanFrancisco'smostcheerfulholidayscenes.[写美]——应用文之新闻报道④[2024·全国卷Ⅱ，书面表达]一进入农场，我们就被它的清洁和丰富的水果品种所吸引。Uponenteringthefarm，________________itscleannessandrichvarietiesoffruit.9.beaddictedto对……上瘾(1)be/becomeaddictedto...沉溺于……；对……上瘾(2)addictvt. 使沉溺；使上瘾n．有瘾的人addictoneselftosth. 某人沉溺于某事(3)addictedadj.入了迷的；上了瘾的Addictionn.沉溺；嗜好；癖好[佳句]Withanincreasingnumberofamusementapplicationsinstalledincellphones，manyadultsareaddictedtocellphones，thusinfluencingtheirworkandlife.随着越来越多的消遣应用被安装在手机上，许多成年人对手机上瘾，从而影响了他们的工作和生活。[练透]——单句语法填空①AsfarasI'mconcerned,it'snotwiseforustobeaddictedto________(play)withsmartphones.②Hersonaddictedhimself________smoking,whichhadabadeffectonhishealth.③[2024·北京卷，语法填空]Theproblemofphone________(addict)hasbeenobservedsinceafewyearsago.[写美]——句式升级④Youngpeopleareaddictedtoplayingtheircellphones.Theycompletelyignoretheirfriendsaround.→____________________，youngpeoplecompletelyignoretheirfriendsaround.(过去分词作状语)10.句型公式：makeit＋adj./n.(＋forsb.)＋todosth.(教材原句)Butspendingtoomuchtimeonlineisunhealthyandmakesitverydifficulttofocusonotherthingsinlife.但是在网上花太多时间是不健康的，而且让人们很难集中精力在生活中的其他事情上。make＋it＋形容词/名词(＋forsb.)＋todomake＋it＋形容词/名词＋that从句make＋it＋nogood/nouse/novalue...＋doingsth.[佳句]Ifeelitnousetakingonlinecourseswithoutself-discipline.[2024·北京卷，书面表达]我认为没有自律，上网络课程是没有用的。[联想]常用于这种句型的动词还有：think,consider,find,feel等。[练透]——单句语法填空①[2024·浙江卷]Myparentsmade________apointfortheirtwokidstospendtimeoutside,nomattertheweatherorseason.②YououghttolearnsomebasicChinesebeforeyoucome,whichmaymakeiteasyforyou____________(adjust)yourselftothelifeinBeijing.[写美]——读后续写佳句③[2024·全国卷Ⅰ，读后续写]苏珊明确表示她希望起先自己新的生活。Susan________________shewishedtomakeanewlifeforherself.11.句型公式：Itis/was＋adj.＋forsb.todosth.对于某人而言做某事是……的。(教材原句)Itisnotunusualforteenagersofyourgenerationtobeattractedtocomputergamesandtheonlineworld.你们这一代的青少年被电脑嬉戏和网络世界所吸引，这是很平常的。(1)句型“Itis＋adj.＋不定式”，其中it是形式主语，不定式短语是真正的主语。(2)在“Itis＋adj.＋forsb.todosth.”句式中作表语的形容词说明不定式行为的性质和特点。常见的形容词有easy,important,difficult,possible,necessary等。(3)在“Itis＋adj.＋ofsb.todosth.”句式中，形容词用于说明不定式的逻辑主语的品德、性格、性质等。常见的形容词有kind,nice,good,stupid,silly,careful,careless等。[佳句]Itisnotunusualforafreshmanlikeyoutobeconfusedaboutmanythings.像你一样的新生总是对许多事情感到困惑这是很常见的。[练透]——单句语法填空①[2024·全国卷Ⅲ]It'shard________(tell)exactlyhowmanypeopleagreewithhim.②It'sreallygenerous________youtolendmeahandwhenIamintrouble.[写美]——读后续写佳句③完成竞赛对我们来说很有挑战性，但是没有人放弃。[2024·新高考Ⅰ卷，书面表达]_________________________________________，butnoonegaveup.刷题强训·精题细作维度1词形转换1．[2024·全国乙卷]VonWongandagroupof________(volunteer)collectedmorethan10，000piecesofplastic.2．[2024·全国Ⅰ卷]Many________(expert)havegiventalksherethathavefocusedonthemedicalcare,andthedevelopmentofpublicservicesforseniorcitizens.3．Ifyouare____________(confuse)aboutanything,phoneourcourseconsultant.4．________(obvious),itisthecompanythatshouldtake________(responsible)fortheunexpectedaccident.5．Atlast,theeditorwhocanspeakEnglishreally__________(fluent)cameupwitha________(solve)totheproblem.6．Hebecame________(addict)tocomputergamesafter________(graduate),butIfounditreally________(challenge)forhimtoquit.7．This________(advance)courseissodifficultthatitisnot__________(suit)forthebeginners.8．________(actual),youcanfindthecampusdesignedbytheChinesearchitect________(attract).维度2固定用法和搭配在空白处填入1个适当的单词或括号内单词的正确形式1．Besides，focus________yourstudyandgiveothersahandactivelyandyouaresuretosurvivethehardtime.2．Themeetingwhich______________(schedule)forFridayafternoonhasbeenputoffuntilnextMonday.3．[2024·全国乙卷]TheXi'anCityWallisthemostcompletecitywallthat____________(survive)China'slonghistory.4．________(attract)bytheideaofworkingabroad,IhavemadeupmymindtoimprovemyspokenEnglish.5．Doctorsaredoingresearchtofindoutwhathappensphysicallywhenpeoplequit________(smoke).6．Since________ischallengingtoliveinastrangecityonhisown,ittooktheteenageralongtimetogetusedto________(live)alone.7．Thefirsttimetheteenagercamehere,hesignedup________theadvancedcourseforliterature.8．Theywanttomake________cleartothevolunteersthatthecleanersareresponsible________thecleaningwork.维度3依据提示，运用本单元的词汇、短语及句式或运用词汇的正确形式完成下面的语篇Whilestudyingathome,I①________________________(负责一个调查)on“self-discipline”.②____________________________(我发觉我的大多数同学很难集中精力听课).Some③____________________(对手机嬉戏很入迷);some④____________________(宠爱网络小说);othersjustdidn't⑤____________________(适应网络课程).Todealwiththeproblem,Iaskedmyparentsforhelp.TheyrecommendedI⑥____________(hold)anonlinediscussionwithmyclassmatesonhowtowelldisciplineourselves.Afterthat,weallknewbetterwhattodosothat⑦______________________(一切很顺当).Threemonthslater,Ididasecondsurvey,whichshowedgreatimprovementsinself-discipline.测效果素养提能——先提能再培优·素养落实提能一熟词生义1．[2024·新高考全国Ⅰ卷，读后续写]Jennathrewtheburntpieceintothesinkandputintheothersliceofbread.____________2．[2024·北京卷]Shearrivedeverydayreadytowork，readytolearnandreadytotacklenewchallengesregardlessofwhetherornotshehaddoneanythingsimilar.____________3．[全国Ⅲ卷，阅读]Attheevents,youcanmeetexpertgrowersanddiscusswhichoneswillbestsuityourconditions.____________提能二读后续写微技能—情感描写之“惊慌”日积月累形容词/副词nervous,uneasy,tense,anxious,nervously名词/动词tension,anxiety,tremble,shake短语stressout,afloodoftension,tightenone'sface1.按要求描写人物的“惊慌”之情①当我们站在后台的时候，我惊慌极了。Whenwewerestandingbackstage，________________________.(表惊慌的名词作主语)②当叫到我的名字时，我感觉我的心跳到嗓子眼了。________________________whenmynamewascalled.(夸张的修辞手法)③我往舞台上走的时候，感觉手心冒汗，心跳加速。WhileIwaswalkingontothestage,Icould__________________________.(身体语言)④挤满观众的大厅让我更加惊慌起来。________________________________________________________________________.(形容词作宾补)⑤我的心狂跳，双腿颤抖。我深吸一口气，心里忐忑不安。Myheartbeatwildlyandmylegstrembled.______________________________.(介词短语)⑥我惊慌地站在那里，喉咙发紧，不知道下一步怎么办。______________________________，wonderingwhattodonext.(副词作状语＋身体语言)⑦我伸手去抓她的手，不料却发觉她的手指冰冷，手在冒汗又颤抖着。Ireachedtograbherhand，________________________________.(身体语言)2．将以上各句合并成小短文并背诵成文，留意运用合适的连接过渡词汇________________________________________________________________________________________________________________________________________________Unit1TEENAGELIFE过基础晨读晚练(一)分类识记单词识记单词写对Ⅰ.知其意1．十几岁的(指13至19岁)；青少年的2．芭蕾舞3.温室；暖房4.(中学)九年级学生；(高校)一年级新生5.课外的；课程以外的6.主编；编辑；编者7.盘子；碟子8.青年时期；青春9.额外的；附加的Ⅱ.写其形1．debate2.content3.title4.topic5．actually6.expert7.generation8．focus9.adventure核心单词练通1．teenagers2.Obviously3.adults4.literature5.scheduled6.quit拓展单词用活Ⅰ.记全记牢1．voluntary2.preference3.movement4.suitable5.challengechallenging6.confuseconfusingconfusedconfusion7.graduategraduation8．advanceadvanced9.responsibleresponsibility10.solution11.behaviour12.attractattractionattractive13．addictaddicted14.recommendrecommendation15.fluentfluentlyfluencyⅡ.用准用活1．①challenges②challenging2．①attractive②attractions3．①graduation②graduated4．voluntaryvolunteer5.preferenceprefer6.confusedconfusingconfused7.advancedadvance8.behavedbehaviour9.movement10.solutions(二)语境记忆短语Ⅰ.记全记牢1．prefer...to...2.cleanup3.besuitablefor4.signup(forsth.)5.beresponsiblefor6.beattractedto7.focuson8.beaddictedto9.joinaclub10.getusedto11.bewellpreparedfor12.havefunⅡ.用准用活1．cleaningup2.isresponsiblefor3．signupfor4.bewellpreparedfor5.focuson(三)仿写用活句式1．sothatshecouldrepayher2．itisnecessaryformetofindanativespeakertolearnfrom3．finditdifficu