2021高考英语大一轮复习Unit3Underthesea课件新人教版选修7.pptx

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1、Unit 3Unit 3Under the seaUnder the sea考点一-2-【识记阅读单词】1.anecdoten.轶事;奇闻2.offshoreadv.&adj.近海(的);离岸(的)3.telescopen.望远镜4.sharkn.鲨鱼5.conservationn.保存;保护6.jogv.慢跑;轻推;轻撞7.seasiden.&adj.海边(的);海滨(的)n.网;网状物;网络9.tiden.潮(汐);潮水;潮流10.dimensionn.维(数);方面;侧面.单词单词 由简到难,水到渠成Thefirststepisasgoodashalfover.考点一-3-11.cell

2、n.细胞;(蜂房的)巢室12.seaweedn.海草;海藻13.flashlightn.闪光信号灯;手电筒;闪光灯14.suckv.吮吸15.boundaryn.界限;分界线16.awesomeadj.使人敬畏的;令人畏惧的17.sealn.海豹;封条;印章考点一-4-【拼写高频单词】1.witnessvt.当场见到;目击n.目击者;证人;证据2.shoren.岸;海滨3.oppositeprep.在对面adj.相对的;相反的4.yellvi.大叫;呼喊n.叫声;喊声5.pausevi.&n.暂停;中止6.teamworkn.协作;配合7.divevi.&n.跳水(的动作);潜水(的动作);俯

3、冲8.fleevi.逃避;逃跑vt.逃离9.dragvt.拖;拉;扯考点一-5-10.lipn.一片嘴唇;(容器或洞的)边,口11.urgevt.催促;极力主张;驱策12.abandonvt.放弃;遗弃;抛弃13.targetn.目标;靶;受批评的对象14.pureadj.纯的;纯粹的;纯洁的15.greyadj.&n.灰色(的)16.shallowadj.浅的;肤浅的;浅显的17.steepadj.陡峭的考点一-6-【拓展核心单词】1.annualadj.每年的;按年度计算的n.年刊;年鉴annuallyadv.每年地2.accommodatev.为提供住宿accommodationn.住所

4、;住宿3.deepadj.深的depthn.深(度);深处4.urgevt.催促;极力主张;驱策urgentadj.急迫的5.abandonvt.放弃;遗弃;抛弃abandonedadj.被抛弃的;被遗弃的6.relationn.关系;亲戚relationshipn.关系;血缘关系;交往7.reflectvi.思考vt.映射;反射;思考reflectionn.反映;影像;沉思考点一-7-8.awareadj.意识到的;知道的awarenessn.知道;意识9.vividadj.生动的;鲜明的;鲜艳的vividlyadv.生动地;鲜明地10.neatadj.整齐的;匀称的neatlyadv.整齐

5、地;匀称地11.narrowadj.狭窄的;有限的;狭隘的narrowlyadv.狭窄地;狭隘地12.sharpadj.锐利的;锋利的sharpenvt.&vi.(使)变锋利;削尖13.tastev.尝起来tastyadj.好吃的;可口的14.scarevt.恐吓vi.受惊吓scaredadj.惊慌的;吓坏的15.pensionn.养老金;退休金pensionern.领取养老金者考点一-8-1.reflect用法小结reflectionn.映像;深思reflecton/uponsth.思考某事reflectsth.fromsth.从某物(表面)反射(光、热、声等)belostinreflect

6、ion陷入沉思中2.常见反义词shallow(浅的)deep(深的)narrow(窄的)wide(宽的)考点一-9-3.urge相关用法大全urgesb.todosth.催促某人做某事urgesb.on鼓励/激励某人havetheurgetodosth.有做某事的欲望urgethat.(should)dosth.极力主张;强调Itisurgedthat.(should)dosth.坚决要求4.含词根“viv/vit(生命)”的常见单词survivevi.&vt.存活;幸存survivaln.存活;幸存vitaladj.有活力的;重要的vitaminn.维生素考点一-10-5.help用法总结h

7、elpsb.do/todosth.帮助某人做某事helpyourself(tosth.)随便自己动手(夹菜吃、用等)withthehelpofsb.=withoneshelp在某人的帮助下help(.)out帮助(某人)摆脱困境或危难helpsb.withsth.帮助某人某事canthelpdoingsth.忍不住做某事canthelpbutdosth.只得做某事;不得不做某事考点一-11-【识记】1.theAntarctic南极洲2.upsidedown上下翻转3.(be)scaredtodeath吓死了【默写】1.对知道、明白;意识到be/become aware of2.在此期间;与此同

8、时in the meantime3.帮助(某人)摆脱困境或危难 help(.)out.短语短语化难为简,轻松记忆Learntowalkbeforeyourun.考点一-12-hold相关短语集合holdup耽搁;延误;举起holdback踌躇;阻止holdon坚持;抓住;稍等(电话用语)holdonto守住;不卖某物考点一-13-1.Itwasa time whenthekillerwhales,or“killers”astheywerethencalled,helpedthewhalerscatchthebaleenwhalesthatwereontheirannualmigration.那

9、个时候,虎鲸(当时被称为“杀手”)帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。考点提炼句中atime表示“一段时间”,相当于aperiodoftime,后接when引导的定语从句。.高频句型高频句型分析探究,融会贯通Nothingisimpossibletoawillingheart.考点一-14-2.Thewaterwasquiteshallowbutwherethereefended,there wasasteepdroptothesandyoceanfloor.水很浅,但到了珊瑚礁的尽头,就有一个陡坡,一直下降到满是沙子的海底。考点提炼where.,therebe.,意为“在的地方,有”,whe

10、re引导地点状语从句。当where,wherever指具体地点时,从句可用于主句之前或之后。考点一-15-1.那个时候,那么贵的书我们买不起。It was a time when we couldnt afford to pay for such expensive books.2.有志者事竟成。Where there is a will,there is a way.考点一-16-Onthemorningof19thJanuary,Iwentsnorkelling.1.Seeing(see)suchextraordinarybeauty,Ithinkeverycellinmybodywoke

11、upand2.itwaslikediscoveringawholenewdimensionoflife.Duringthetrip,Ifirstbecameawareofthevivid3.colours(colour)surroundingmeandthefantasticcorals,inandaroundwhichallkindsofelegantfish4.were(be)swimming.Ialsofoundthatthefishdidntseem5.to mind(mind)meswimmingamongthem.Buttherewasstillsomething6.thatmad

12、emefeel7.frightened(frighten).Forexample,Ididntwanttogetclosetotheeel,thegiantclamandthegreyreefshark,fortheymademescaredto8.death(die)foramoment.Itisawonderfuland9.limitless(limit)worldunderthesea.10.WhatatinyspotIwasinthishugeworld!.语篇填空语篇填空旧材新用,探究根源Killtwobirdswithonestone.考点二-17-核心词汇核心句式1.witnes

13、s n.目击者;证人;证据vt.当场见到;目击;见证领悟高考究考法完成或翻译句子(1)HistoryShakespeareanplaysineverymajorlanguageoftheworld.(2015重庆,阅读理解E)历史见证了莎士比亚的戏剧不断地被译成世界各大语种。(2)Onewitnesstheaccidentsaidthatthedriverappearedtobedrunk.一位事故目击者说,司机好像喝醉了。(3)Thepasttenyearshaswitnessedaboomineconomyinmyhometown._(4)Businessesarewitnessingad

14、ifficulttime._haswitnessedto过去的十年见证了我的家乡经济的繁荣。公司正在经历一个艰难时期。考点二-18-核心词汇核心句式联想拓展记考点witnesstosth./doingsth.亲眼看见某事发生考点二-19-核心词汇核心句式2.flee(fled,fled)vi.逃避;逃跑vt.逃离领悟高考究考法用flee的适当形式填空(1)Itisthoughtthattheyaretoquieterareas.(2015四川,阅读理解D)人们认为他们逃到了更为安静的地区。(2)Thechildtohismother,lookingforcomfortandsafety.那孩子

15、逃到了母亲身边,寻找安慰和安全。(3)Whydoesshealwaysanykindofresponsibility?她为什么总是逃脱任何一种责任?fleeingfledflee考点二-20-核心词汇核心句式联想拓展记考点(1)fleefrom.从逃走(2)fleeto.逃去;逃到(3)fleesth.逃离某物考点二-21-核心词汇核心句式3.urge vt.催促;极力主张;驱策n.强烈的欲望;冲动派生urgentadj.紧急的;迫切的urgencyn.紧急的事领悟高考究考法用所给单词的适当形式填空(1)Itisstronglyurgedthatthelibrary(keep)openduri

16、ngthevacation.人们极力主张图书馆假期也开放。(2)Thepeopleintheearthquake-strickenareaarein(urge)needoffood,medicineandshelters.地震灾区的人们急需食品、药品和住的地方。(should)bekepturgent考点二-22-核心词汇核心句式翻译句子(3)Havingenoughfatandsaltinyourmealswillreducetheurgetosnack(吃点心)betweenmeals.(2017全国,语篇填空)(4)Becauseofallthisextratimetherewasnos

17、enseofurgencytodomyschoolworkimmediately.(2018浙江,完形填空)吃饭时摄入足够的脂肪和盐会减少两餐之间吃点心的欲望。由于所有这些额外的时间,我没立刻做功课的紧迫感。联想拓展记考点(1)urgesb.todosth.催促某人干某事(2)urgesb.on鼓励/激励某人(3)urgethat.(should)dosth.极力主张;强调考点二-23-核心词汇核心句式4.be/become aware of.对知道/明白;意识到派生awarenessn.意识领悟高考究考法完成或翻译句子(1)Nursesneedthepossiblemeaningsofsil

18、ence.(2016全国,阅读理解D)护士们需要知道沉默的可能的含义。(2)Ifshehadbeenawarethatthemushroomswerepoisonous,shewouldnothavepickedthemfordinner._(3)IbecameawarehowlonelymymothermusthavebeeninBrazilherself._tobeawareof要是知道这些蘑菇有毒,她就不会采来做晚餐了。我开始意识到妈妈一个人在巴西是多么孤独。考点二-24-核心词汇核心句式(4)Weshouldmakeeveryonetheimportanceandurgencyofpr

19、otectingtheenvironment.我们应该让每个人都意识到保护环境的重要性和紧迫性。(5)Everybodycanbuytakeawayfood,butsometimeswerenotcheaplywecanmakethisfoodourselves.(2018全国,阅读理解B)每个人都买外卖,但有时我们不知道自己做这些食物有多么便宜。(6)Notonlywillyouhelpouryoungvolunteerstodeveloppersonally,youllalsolearnnewskillsandincreaseyourcultural.(2019北京,阅读理解A)你不仅将帮

20、助年轻志愿者的个人发展,你还将学习新的技能和提高文化意识。tobeawareofawarehowawareness考点二-25-核心词汇核心句式联想拓展记考点(1)be/becomeawareof对知道、明白;意识到(2)beawarethat.知道,体会到(3)asfarasImaware据我所知(4)makesb.awareof/that.使某人注意到;提醒某人注意(5)developanawarenessof.培养的意识考点二-26-核心词汇核心句式The water was quite shallow but where the reef ended,there was a steep

21、 drop to the sandy ocean floor.水很浅,但到了珊瑚礁的尽头,就有一个陡坡,一直下降到满是沙子的海底。分析提炼究考法where.,therebe.意为“在地方,有”,where引导地点状语从句。注意where引导地点状语从句和定语从句的区别。(1)where引导的地点状语从句修饰主句的谓语。(2)where引导的定语从句修饰它前面的名词。考点二-27-核心词汇核心句式领悟考法用考点完成句子(1)thereislife,thereishope.有生命就有希望。(2)Self-drivingisanareaChinaandtherestoftheworldareonth

22、esamestartingline.自动驾驶是中国和世界其他国家都在同一起跑线的一个领域。(3)Myuncleistheownerofarestaurantcloseto.(2016全国乙,短文改错)我的叔叔是我的住处附近一家餐馆的老板。WherewherewhereIlive考点二-28-核心词汇核心句式(4)Anumberofhighbuildingshavearisentherewasnothingayearagobutruins.=Anumberofhighbuildingshavearisenintheplacetherewasnothingayearagobutruins.很多高楼

23、在一年前还是废墟的地方拔地而起。wherewhere-29-.单句填空1.Thechildrenareeasytoget(scare).2.Thepeoplehadleftbeforethesoldierscametothe_(abandon)village.3.Whowitnessedhissigningthedocuments?4.Theworkisnot(urge);wecandoittomorrow.5.Onfurther(reflect)IfoundImadeamistake.6.Luckily,thecat(flee)frombeingcaught.7.Maryismygoodfr

24、iendandsheisalwayswillingtohelpmewhenIamintrouble.8.Anotherjourneyofchallengeanddangerwasabout(begin).9.Wemustsortoutthegoodapplesthebadones.10.Everybodyisawaretheimportanceoflearning.scaredabandonedtourgentreflectionfledouttobeginfromof-30-11.Wewillmeetat8:00amatthegate,abluebuswillbewaiting.12.The

25、littlegirlwhogotlostdecidedtoremainintheplace_shewasandwaitforhermother.wherewhere-31-.单句改错1.Themanagerurgedthatameetingwouldbeheldtodiscusshowtoimproveourwork._2.Weshouldkeepourclassroomanddormitoryneatlyandtidyeveryday._3.Janestoppedthereasmallcrowdofmenhadgathered._4.ThereisnotsurprisethatLindabe

26、cameawriter._5.Urgingbyhisparents,hedecidedtoparticipateinthecompetition._wouldshould或删除wouldneatlyneattherewherenotnoUrgingUrged-32-6.Oppositebythelecturehallistheartcenter,wheretherearemanyfamouspaintings._7.Atruckcameinanoppositedirectionofthecar,sothecardrivermadeasharplyturn._bytosharplysharp-3

27、3-.写作训练1.我曾经有段时间非常讨厌英语。(Thereisatimewhen)English.2.那时候,大家都步行上班。(Itisatimewhen)Ittowork.3.随着春节的来临,我们发现很多人都在忙着购物。(with复合结构),wefoundmanypeoplebusyshopping.4.他目睹了钓鱼的整个过程。(witness)He.5.请记住:哪里有问题,哪里就有解决办法。(where.,therebe.)Rememberthat,thereisalwaysasolution.TherewasatimewhenIwastiredofwasatimewheneverybodywalkedWithSpringFestivaldrawingcloserwitnessedthewholeprocessoffishingwherethereisaproblem

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