新人教版高中英语必修4 Unit 2 Working the land reading课件.ppt

Reading,Farming,sowing,ploughing,irrigating(灌溉),crops,weather&climate,ricetransplanting(插秧),Whenwespeakoffarming,whatwordscanwethinkof?,Warmingup,plowthefield,growsomeyoungplants,inserttheyoungplantsintothefield,harvest,rice,WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?,Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.,Answerthefollowingquestions:,Pre-reading,Whatdoyouthinkwouldhappenifthereweresuddenlynothingtoeat?,sufferfromstarvationandstarvetodeath.feelscared/bepanic(惊慌).fightforfood,evenkilleachotherandthewholecountrywouldgetintotrouble.,Theonlywaytosolvethefoodshortageproblemistoincreasetheyieldofthegraincropperlandareathroughtheadvancementofscienceandtechnology.,YuanLongping-FatherofHybridRice,Dr.Yuanismoreafarmerthanascientist.Dr.YuanskindofriceisthemostsuitableforChinasfarmland.Dr.Yuanwouldratherworkthanrelax.Dr.Yuanenjoysasimplerlifethanmostrichandfamouspeople.,Listentothepassageanddecidewhetherthefollowingstatementsaretrueorfalse.,F,T,T,T,Skimming,Skimthepassagetofigureoutthemainideaofeachparagraph.,Apioneerforallpeople,Whydoesheconsiderhimselfafarmer.,Heworksthelandtodohisresearch.Sunburntfaceandarmsandhisslim,strongbody.Growhybridrice.Thefirstagriculturalpioneerintheworld.,superhybrid,CarefulReading,I.Readthetextcarefullyandfillintheblanks.,poorfarmers,1953,ahighoutput,lessdeveloped,beingfamous,agriculturalresearch,aroundtheglobe,1.YuanLongpingbecamethefirstagriculturalpioneerintheworldtogrowsuperhybridriceattheageof40.2.Morethan60%ofthericeintheworldisfromthehybridstrain.3.Accordingtothetext,farmersinChinaareproducingriceharvestsnearly4timesaslargeasthatin1950.,II.True(T)orFalse(F):,F,F,T,Postreading,1.WhydidYuanLongpingwanttoincreasethericeoutputwhenhewasyoung?2.IsDrYuanmoreofascientistormoreofafarmer?Doyouthinkheisabusinessman?,DrYuanwantedtoincreasethericeoutputbecausehesawmanypeoplegohungrywhenhewasyoung.,Ithinkheismoreofascientist.Hismainpurposeisnottomakeaprofitforhimselfbuttostudyagricultureandusethatknowledgetoimprovefarmingforfarmerseverywhere.Idonotthinkheisabusinessman,becausehisgoalisnottomakemoney.,3.HowwouldyoudescribeDrYuanspersonality?Usethreeorfouradjectives.,Becauseofhisworkwithdevelopinghybridrice,itseemsthatDrYuanmustbeaverypatientandcarefulman.Hedidntgiveupbutkeptworkingonhisproject.HeAlsoseemstobeaverykindman,whocaresforothers.Hewantstousehisinventiontohelphungrypeoplearoundtheworld.,4.Whatdoyouthinkisthemainreasonforhissuccess?,IthinkDrYuanwassuccessfulbecausehekeptworkinganddidnotgiveup.Healsogrewupinapoorfamily,sohewasverymotivatedtosucceedandhelpotherfarmersaroundChina.,5.DrYuanthinksthatapersonwithtoomuchmoneyhasmoreratherthanfewertroubles.Doyouagreeordisagree?Why?,Imostlyagree.Ithinkbeingrichcancausealotofproblems,butitreallydependsonthelifeandattitudeofthepersonwhoisrich.Peoplewhoarerichcertainlyhavedifferentproblemsfrompeoplewhoarenot.,6.DrYuandevelopedsuperhybridricetohelpChinesefarmersandhungrypeoplearoundtheworld.Canyouthinkofanyothermajordevelopmentthatwouldmakeagreatdifferencetoworldhunger?,Ithinkdevelopingotherhybridgrainswouldmakeagreatdifferenceintheproblemofworldhunger.HybridgrainsthatcansurviveinverydryorveryhotareaswouldbeveryusefulinAfricaandotherareas.Hybridgrainsthatcannoteasilybekilledbyinsectsanddiseaseswouldbeusefularoundtheworld.,pioneer,1.n1).拓荒者，开荒者landclearedbythepioneers拓荒者开垦的土地2).探索新知识领域的人Theywerepioneersinthefieldofmicrosurgery.,2.vt1).开辟（道路等）Pioneeranewroutetothecoast.2).倡导（新方法）促进（某事物）的初期发展Shepioneeredtheuseofthedrug.,because/for/since/as,1.because引导的原因状语从句一般放于主句之后，because表示直接原因，语气最强，最适合回答why引导的疑问句。IdoitbecauseIlikeit.我做这件事是因为我喜欢。-whywereyouabsentfromclassyesterday?-becauseIwasill.,2.since引导的原因状语从句一般放于主句之前表示已知的、显然的理由(通常被翻译成“既然”)，较为正式，语气比because弱。例如：Sinceyouarefreetoday,youhadbetterhelpmewithmymathematics.既然今天你休息，你最好帮我补习数学。,3.as引导原因状语从句时表示附带说明的“双方已知的原因”，语气比since弱，较为正式，位置较为灵活(常放于主句之前)。例如：Asitisraining,youdbettertakeataxi.既然在下雨，你最好乘出租汽车。Asyouaretired,youhadbetterrest.既然累了，你最好休息一下。Iwenttobedearly,asIwasexhausted.我睡得早，因为我筋疲力尽了。,4.for引导的原因状语从句并不说明主句行为发生的直接原因，只提供一些辅助性的补充说明，for引导的原因状语从句只能放于主句之后并且必须用逗号将其与主句隔开。例如：Hecouldnothaveseenme,forIwasnotthere.他不可能见过我，因为我不在那里。,考题1_youvegotachance,youmightaswellmakefulluseofit.(1999)A.NowthatB.AfterC.AlthoughD.Assoonas考题2Hefounditincreasinglydifficulttoread,_hiseyesightwasbeginningtofail.(2006北京)A.andB.forC.butD.or考题3Amancannotsmilelikeachild,_achildsmileswithhiseyes,whileamansmileswithhislipsalone.(2006湖南)A.soB.butC.andD.for,A,D,D,workvt,1).使（自己/某人/某物）工作，开动（某物）。Sheworksherselftoohard.她把自己累坏了。Thismachineisworkedbyelectricity.2).管理或经营（某事物）workamine,anoilwell.,In1974,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.thefirst+n.+todo不定式放在表示次序的词thefirst,thelast,thebest以及theonly,thevery,theright等词后面,且这些词与动词不定式有逻辑上的主谓关系；,如与动词不定式是逻辑上的动宾关系时,则用过去分词。HeisthefirstmantowintheNobelPrize.ThefirstbookwrittenforteachingEnglishcameoutinthe16thcentury.,6.DrYuansearchedforawaytoincreasericeharvestwithoutexpandingtheareaoffields.search=trytofindbylookingfor“搜查”。,Theysearchedeverywherebutcouldnotfindthelostchild.他们各处都找遍了,始终找不到丢失的小孩。Thehomewassearchedbutnoonewasfound.搜查了房屋但一个人也未发现。,search常用的搭配：searchsb./sth.搜查某人/某物searchforsb./sth.搜寻某人/某物searchsth./sb.for搜查某物/某人以寻找insearchof寻找searchout发现,注意：searchsb.指“搜查某人”,指对某人进行搜身。searchforsb.指“搜寻某人”,指为了要找到某人进行搜寻,相当于lookfor。例如：,Thepolicemansearchedthethieftoseewhathehadinhispockets.警察搜查小偷,看他口袋里有什么东西。Thevillagersaresearchingforthemissingchild.村民们正在搜寻那个失踪的孩子。,awake,vi/vt(awoke,awoken)弄醒Sheawokewhenthenurseenteredtheroom.Heawokethesleepingchild.（使某事物）活动；引起；激起Theletterawokeoldfears.awaketosth对某事物觉醒、觉悟、意识到awaketothedangers,theopportunities,onessurroundings,awake表语adj醒着Theyarentawakeyet.Arethechildrenstillawake?beawaketosth对某事物觉察到的、意识到的、警觉的A