北师大高中英语必修二 （Huamns and nature）Section Ⅳ 教学课件

Unit5

HuamnsandnatureSectionⅣ

Lesson3

1．Discussion—Whatdothefollowingtwopicturesdescribe?Haveyoueverdreamedofajourneythere?Why?ThetwopicturesdescribeAntarctic.I’vedreamedofgoingthereforavisit.Antarcticcontinentistheworld’slatestdiscoveryofthecontinent,aloneatthesouthernmosttipoftheEarth.Antarcticisknownasthe“whitecontinent”withmorethan95percentoftheareacoveredbythickiceandsnow.AntarcticissurroundedbythePacific,Atlantic,IndianOcean,andbecauseitisfarfromtheothercontinents,completelycutofffromthecivilizedworldandthemainland,ithasnotyetpermanentresidents,onlyasmallnumberofscientistslivingandworkingtheretemporarily.2．Prediction—LookatthepicturesandthetitleofthetextonPage36andpredictwhatthetextisprobablyabout.ThetextismainlyabouttheexplorationtoAntarctic.Ⅰ.Firstreading—Skimthetextforthemainideaofeachpart.Para.MainIdeas1Theraceto①________________began.2－4Amundsen’steam②________________．

5－8③________________wasofgreatdifficulty.9Scottandhiscompanionsbecameheroesbecauseof④________________.theSouthPolewontheraceThereturnjourneygreatcourage2.Secondreading—Readthetextcarefullyandchoosethebestanswer.(1)WhichofthefollowingisafactabouttheteamofCaptainScott?A．CaptainScottsetoutearlierthanRoaldAmundsen.B．CaptainScottstartedon1June1910andmarchednon－stoptill17January,1912.C．Ontheirwayback,theycarried20kilosofrocksallthewaywiththem.D．Thewholeteamdiedfromhunger.答案

C(2)WhichofthefollowingcanNOTbethecauseofthefailureoftheraceforCaptainScott?A．Theyhadtopushthesledgethemselves.B．Astormbrokeoutatawrongtime.C．Theyspenttimewritinghomeinsteadofstruggling.D．Thehorsesbegantohaveseriousdifficultieswiththesnowandthecold.答案

C(3)Thestorymainlytellsus________．A．anexperienceoftheracetothePoleB．thelessonfromCaptainScottC．thewaytotheSouthPolecanbetoohardD．enoughfoodwillensureustogo答案

A3．Thirdreading—Readthetextcarefullyandfillintheformbelow.TopicThe①

tothePoleAmundsen’ssuccessfulexpedition·AmundsenfromNorwaywasthefirsttoleave，on8September，1911.·Hehadteamsof②____________pullingsledgesandallhismenwereonskis，becauseofwhichhemade③____________．·AmundsenreachedthePoleon14December，1911andputtheirnational④____________there.Thenhepreparedforthereturnjourney.dogsrapidprogressflagRaceScott’sdifficultbutcourageousexpedition·Scottlefton1Novemberandsoonhadproblems.·Thehorseshaddifficultieswiththesnowandthecold，andthesledgesbrokedown.Afterawhile，Scottandhismenhadto⑤____________thesledgesthemselves.·ScottandfourteammembersfinallyreachedthePoleandtheywere⑥____________bytheNorwegian’sfirstarrival.pushshockedResultandimpliedmeaning·ThereturnjourneywashardforScottandhismen.Theywere⑦______________andrunningoutoffoodandtheweatherwasterrible.Allofthemendiedinthe⑧____________．·Scottandhismen⑨____________towintheracetothePolebuttheyweremadeintoheroesbecauseoftheirextraordinary⑩____________.tired/exhaustedexplorationfailedcourageDiscussion：1．Whatlessonshaveyoulearnedfromthestory？Giveyourreasons.Theanswerisopen.2．WouldyousaythatScottandhisteamwerelosers？Why?Theanswerisopen.世界七大洲1．Asia亚洲2．Europe欧洲3．Oceania大洋洲4．Antarctica南极洲5．Africa非洲6．NorthAmerica北美洲7．SouthAmerica南美洲巧解推理判断题1．借助关键词进行推理判断此类推理判断题只需要寻找与题干有逻辑关系的关键词就可以推出正确答案。因此，解题时应认真阅读试题，弄清要求和回答问题的角度，结合原文看是否有关键词可以用来进行推理判断。2．借助关键句、段进行推理判断此类试题的解答需要对较多信息进行阅读和推理，因此，解题时应认真阅读试题题干，回到原文找到与题目有逻辑关系的关键句、段，并借助其进行推理判断，看与哪一个备选项在意义与逻辑上吻合。3．借助常识进行推理判断此类推理判断题要求在读懂所涉及内容的每个句子的基础上，结合自己的生活常识进行推断。语言现象感知Ⅰ.单词理解体会句中加黑单词的词性和含义1．Sheopenedthedoorinfrontofher，andsawthecaptainoftheairplaneandtheotherofficers.____________2．ShanghaiisthemostimportantindustrialbaseofChina.____________n.机长n.基地Ⅱ.词块积累写出下列词块的含义1．makeprogress____________2．afterawhile__________________3．prepareforthereturnjourney________________4．alltheway__________________________5．atonetime______________取得进步不久；过一会儿准备回程一路上，远道，自始至终曾经，一度Ⅲ.句式欣赏1．but连接并列句；though引导让步状语从句。WeknewthatpoorOateswaswalkingtohisdeath,butthoughwetriedtostophim,weknewthatitwastheactofabravemanandanEnglishgentleman.2．过去分词短语作定语ScotthadfailedtowintheracetothePole,butthegreatcourageshownbyCaptainScottandhismenmadethemheroes.Ⅰ.单词语境记忆——根据英汉提示写出单词的适当形式1．Organizersaremakingfinal____________(prepare)fortheOlympicGames.2．Allthechildrenremained____________(cheer)duringthejourney.3．Oneofhis____________(抱负)istostudyabroad.4．Iwasborninatownthatwasquite____________(远的)fromhere.5．Theoldwomanwas____________(anxious)awaitingthereturnofherrelatives.preparationscheerfulambitionsdistantanxiously6．Thisistheinformationonthespace____________(explore)fromthepast,presentandfuture.7．Thestudywas____________(以……为基础)ondatafrom2，100women.8．Healmostpersuadedmeofhis____________(honest)．9．Tomcan’tpersuadehimselfofmy____________(sincere)．10．Inthefaceofdanger,theyshowgreat____________(brave)．explorationbasedhonestysinceritybraveryⅡ.短语语境填空——根据汉语提示写出适当的短语1．Thetelephonesystem________________(坏了)suddenlywhilehewascallinghismother.2．He________________(继续)thetaskleftbyhiscomrades.3．I________________(用完)allmymoneyuptonow.4．Joeistraining________________(为……做准备)thenextfootballmatch.5．Ipaidavisittooneofmyoldfriends________________(在我回……的路上)Boston.6．Areyou________________(取得进步)inyourstudy?brokedowncarriedonhaverunoutofinpreparationforonmywaytomakingprogress7．StevenSpielbergisoneofthemostfamousdirectors________________(在……的历史上)film.8．I____________________(在……方面有困难)communicatingwithforeigners.inthehistoryofhavesomedifficulty(in)Ⅰ.“词中词”法帮你记1．ant→distant遥远的2．star→starve挨饿3．have→behave

表现4．arm→harm

伤害5．plain→explain

解释6．fright→frighten吓唬7．serve→deserve

值得8．end→tend

趋向记单词Ⅱ.词缀法助记派生词1．形容词后缀：-fulcheer(n.)→cheerful(adj.)harm(n)→harmful(adj.)2．名词后缀：-ation,-ty,-yprepare(v.)→preparation(n.)explore(v.)→exploration(n.)honest(adj.)→honesty(n.)sincere(adj.)→sincerity(n.)brave(adj.)→bravery(n.)3．副词后缀：-lyanxious(adj.)→anxiously(adv.)curious(adj.)→curiously(adv.)Ⅲ.句式语境仿写1．Thencamethetotaldarknessofthepolarwinter.接着漆黑的极地冬夜来临了。[仿写]

现在轮到你了。Now__________________．2．Hehadteamsofdogspullingthesledgesandallhismenwereonskis.他让成群的狗拉着雪橇，所有人都坐在雪板上。[仿写]

他让我们在午饭期间一直笑个不停。He________________________duringthelunchtime.comesyourturnhaduslaughing3．Weareverycheerful,butwhateachmanfeelsinhisheartIcanonlyguess.我们看上去都很愉快，但我能猜出大家心里的想法。[仿写]

令民众担心的事是能否找到阻止污染的方法。__________________________iswhetherwayswillbefoundtostoppollution.句型公式1．完全倒装语序2．have＋宾语＋宾语补足语3．what引导名词性从句Whatworriesthepublic1．preparationn．预备，准备

preparev．准备Whatpreparationsdotheyneedtomake?(教材P36)他们需要做什么准备？[合作探究]

体会preparation及其相关词的用法和意义They’vesoldtheirhouseandcarinpreparationforleavingthecountry.他们卖掉了房子和汽车准备出国。Mrs.Whiteisbusymakingpreparationsforherdaughter’swedding.怀特夫人正忙着为女儿的婚礼做准备。Motherispreparingusameal.Wemaywashourhandsandprepareforthemeal.妈妈正在给我们准备饭，我们可以洗手准备吃饭了。[自主发现]①____________preparationfor准备……②make____________for为……作准备③preparefor...为……作准备[名师提醒](1)preparation用作不可数名词时表示“准备，预备”，常用于inpreparation(forsth)短语中；(2)用作可数名词时表示具体的“准备工作”，常与动词make连用，组成makepreparationsfor。inpreparations[巩固内化]

完成句子/翻译句子①________________the2020OlympicGames,hetrainshardeveryday.为准备2020年奥运会，他每天都刻苦训练。②Hedidn’t________________________thisexam,sohefailed.他考试前没做任何准备，所以没及格。③我们正为即将到来的考试作准备。___________________________________________________________InpreparationformakeanypreparationforWearemakingpreparationsfor/preparingforthecomingexam.2．basen．基地，大本营；基础

vt.以……为基地

basicadj.基础的，基本的Duringthepolarsummerof1910－1911,bothteamsorganisedfoodbasesinpreparationfortheirjourneysthenextyear.(教材P36)在1910—1911年的极地夏季，两队人都为下一年的探险做了食物储备。[合作探究]

体会base的用法和意义Youshouldbaseyourconclusionon/uponcarefulresearch.你应该以审慎的研究为基础而下结论。ThemovieA

Smile

Is

Beautiful

isbasedon/uponthepopularnovelofthesamename.电影《微微一笑很倾城》是以同名人气小说为基础(改编)的。[自主发现]①base...____________把……置于……基础之上②bebasedon/upon以……为基础/根据[巩固内化]单句语法填空/翻译句子①____________(base)researchisofgreatimportanceinallscientificfields.②____________(base)onatruestory,thenovelispopularsoon.③医患关系是以信任为基础的。(bebasedon)______________________________________________on/uponBasicBasedThedoctor-patientrelationshipisbasedontrust.3．provevt.证明；证实Later,theserocksprovedthatatonetimeinthedistantpast,thecontinentofAntarcticawascoveredbyplants.(教材P37)后来，这些岩石证明，在遥远的过去，南极洲大陆曾一度被植物覆盖。[合作探究]体会prove的用法和意义Thedifficultywashowhecouldprovehisideastootherscientists.困难在于他怎样向其他科学家证实他的想法。Theyprovethemselves(tobe)wiseandbrave.他们证实自己机智勇敢。Heproved(tobe)anhonestman.后来证明他是一个诚实的人。Itisprovedthatthismethodiseffective.据证明这种方法是行之有效的。[自主发现]①provesth____________sb向某人证明某事②prove____________(tobe)...证明自己是……③prove(tobe)＋n./adj.原来是；证明是④Itisproved____________...据证明……tooneselfthat[巩固内化]单句语法填空①Sheproved____________(her)tobeanablesecretary.②By1914Einstein’stheoryproved____________(be)correct.③Ithasbeenprovedagainandagain____________whatissaidintheadsgreatlyaffectspeople’simpressionoftheproducts.④Canyouproveyourtheory____________us?herselftobethattobreakdown停止运转，出故障；(身体等)垮掉；失败；使分解First,histwosledgesbrokedown,andthenthehorsesbegantohaveseriousdifficultieswiththesnowandthecold.(教材P36)先是他的两辆雪橇坏了，后来马匹开始应付不了大雪和严寒的天气。[短语记牢]

记牢下列短语breakout突然爆发breakup粉碎；结束；解散breakthrough获得重大发现；取得重大突破；冲出①Talkswithbusinessleadersbrokedownlastnight.昨晚与商界领导人的谈判失败了。②Everybodywasalarmedatthenewsthatwarmightbreakout.听到战争可能爆发的消息人人感到恐慌。[巩固内化](1)写出句中breakdown的含义①Herhealthbrokedownunderthepressureofwork.____________②IleftLondonwhenmymarriagebrokedown.____________③ThecarbrokedownjustnorthofParis.____________④Foodisbrokendowninthestomach.____________垮掉失败出故障使分解(2)完成句子⑤Angrypeople________________(冲过)thebarriersdespiteofwarningsfromthepolice.⑥Twoworldwars________________(爆发)inourplanetsofar.brokethroughhavebrokenout1．Thencamethetotaldarknessofthepolarwinter.(教材P36)接着漆黑的极地冬夜来临了。[句式解读]

该句为完全倒装语序，主语为thetotaldarknessofthepolarwinter,谓语为came。[用法总结](1)表示地点的副词here,there,up,down,out,in,away；表示时间的副词now,then；表语以及表示地点的介词短语位于句首时，句子用完全倒装。(2)完全倒装句中的谓语动词常是系动词be或come,go,lie,stand等不及物动词，且主语是名词。①Herecomesthebus.公共汽车来了。②Incametheheadmaster.校长进来了。③Gonearethedayswhenwewerelookeddownupon.我们被瞧不起的日子一去不复返了。④Intheyardstandsatalltree.院子里有一棵大树。[名师提醒](1)这种完全倒装结构的时态只限于一般现在时或一般过去时。(2)谓语动词的单复数视后面主语的单复数而定。[巩固内化]用完全倒装结构完成下列句子①Atthefootofthemountain________________(住着一位老人)．②Out________________(一条大狗冲了出来)．③Northofthevillage________________(卧着一条河)．livesanoldmanrushedabigdogliesariver2．Hehadteamsofdogspullingthesledgesandallhismenwereonskis.(教材P36)他让成群的狗拉着雪橇，所有人都坐在雪板上。[句式解读]

本句使用了句型“have＋宾语＋宾语补足语”，其中have是使役动词，意为“使，叫，让”。[用法总结]该句型用法有以下几种：(1)havesb/sthdoing让某人做某事(动作具有持续、进行含义)(2)havesbdo让某人做某事(3)havesthdone让/请别人做某事；遭受到①Theytriedtohavehertalking,butnouse.他们想让她说话，但没用。②ShehadplannedtohaveherdaughtermarryLaurie.她本打算让女儿嫁给劳里。③Asweleftwehadaphotographtakentogether.临走时，我们一起照相了。[巩固内化]单句语法填空①HehadhisfavoriteAlsatiandog____________(poison)andtwootherdogsinthehousehold____________(shoot)．②She’llhaveyou____________(do)allthehouseworkifyou’renotcareful.③