Unit+5+Working+the+land+Reading+and+Thinking課件-【知識(shí)精講精研】高中英語(yǔ)人教版選擇性必修第一冊(cè)

Unit5WorkingtheLand

---APioneerforAllPeopleTheSymbolofYoungPioneerApioneerforallpeople1.WhatdoyouknowaboutYuanLongping?2.WhatdoyouwanttoknowaboutYuanLongping?Pre-reading1.Whatmotivatedhimtosticktoagriculturalresearches?2.Whatdifficultiesdidhemeet?3.Whatareadvantagesofhybridrice?4.Howdidhedevelopthehybridrice?5.WhatareYuan’sContributions?6.Whatarehisdreams?7.Whatkindofpersonishe?Pre-readingPre-readingAccordingtothetitleandillustrastion,what’sthetypeofthistextdoyouthinkitis?BiographyArgumentationExpositionWhile-readingPara.2YuanLongpingwasbornin1930inBeijing.Hisparentswantedhimtopursueacareerinscienceormedicine.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Totacklethiscrisis，hechosetostudyagricultureandreceivedaneducationatSouthwestAgriculturalCollegeinChongqing.Q1.Whatmotivatedhimtosticktoagriculturalreseaches?motivationfoodcrisisWhile-readingQ2.Whatdifficultiesdidhemeet?Para.3Aftergraduatingin1953，heworkedasaresearcher.YuanLongpingrealisedthatlargerfieldswerenotthesolution.Instead,farmersneededtoboostyieldsinthefieldstheyhad.Howthiscouldbedonewasachallengingquestionatthetime.Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.Ahybridisacrossbetweentwoormorevarietiesofaspecies.Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasrice

wasamatterofgreatdebate.Thecommonassumptionthenwasthatitcouldnotbedone.Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.Thishybridenabledfarmerstoexpandtheiroutputgreatly.While-readingPara.3Aftergraduatingin1953，heworkedasaresearcher.YuanLongpingrealisedthatlargerfieldswerenotthesolution.Instead,farmersneededtoboostyieldsinthefieldstheyhad.Howthiscouldbedonewasachallengingquestionatthetime.Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.Ahybridisacrossbetweentwoormorevarietiesofaspecies.Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasrice

wasamatterofgreatdebate.Thecommonassumptionthenwasthatitcouldnotbedone.Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.Thishybridenabledfarmerstoexpandtheiroutputgreatly.Q3.Whatareadvantagesofhybridrice?While-readingQ4.Howdidhedevelopthehybridrice?Para.3Aftergraduatingin1953，heworkedasaresearcher.YuanLongpingrealisedthatlargerfieldswerenotthesolution.Instead,farmersneededtoboostyieldsinthefieldstheyhad.Howthiscouldbedonewasachallengingquestionatthetime.Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.Ahybridisacrossbetweentwoormorevarietiesofaspecies.Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasrice

wasamatterofgreatdebate.Thecommonassumptionthenwasthatitcouldnotbedone.Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.Thishybridenabledfarmerstoexpandtheiroutputgreatly.(Whatdidhedo?)While-readingrealizedworkedconvincedovercamedevelopedaresearcherboostingyieldstechnicaldifficultiesthecreationofhybridrice

thefirstoneQ4.Howdidhedevelopthehybridrice?While-readingQ5.WhatareYuan’sContributions?Para.4Today，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan'shybridstrains，andhisstrainshaveallowedChina'sfarmerstoproducearound200milliontonsofriceperyear.Yuan'sinnovationhashelpedfeednotjustChina，butmanyothercountriesthatdependonriceaswell，suchasIndiaandVietnam.Becauseofhisinvaluablecontributions，YuanLongpingreceivednumerousawardsbothinChinaandabroad.writingtechniques?numbers、examplesWhile-readingQ6.Whatarehisdreams?WhatimpressedpeoplemostaboutYuanLongpingwashisongoingabilitytofulfillhisdreams.Longago，heenvisionedriceplantsastallassorghum，witheachearofriceasbigasabroom，andeachgrainofriceashugeasapeanut.Hesucceededinproducingakindofricethatcouldfeedmorepeopleathomeandabroad．Hislatervisionfor“seawaterrice”alsobecameareality，andpotentiallyopenedupnearlyonemillionsquarekilometresofsaltylandinChinaforriceproduction.Eveninhislateryears，YuanLongpingwasstillyoungatheartandfullofvision，andeveryonewasalwaysexcitedtoseewhathewoulddreamupnext.Para.6While-readingMr.Yuan’sdreamslatervision“seawaterrice”hisdreamslongagolateryearsriceplantsastallassorghumeachearasbigasabroomeachgrainashugeasapeanutyoungatheartandfullofvisionarealityakindofricedreamupnextWhile-readingQ7.Whatkindofpersonishe?what(thekeywords)how(contrast)why(qualities)Para1fatherofhybridriceVSfarmermodest,plainYuanLongping,knownasthe“fatherofhybridrice”,isoneofChina’smostfamousscientists.Yet,heconsideredhimselfafarmerbecausehecontinuallyworkedthelandinhisresearch.Indeed,hisslimbutstrongbodywasjustlikethatofmillionsofChinesefarmers,towhomhehaddevotedhislife．Para.1yetWhile-readingQ7.Whatkindofpersonishe?what(thekeywords)how(contrast)why(qualities)Para2

Para.2YuanLongpingwasbornin1930inBeijing.Hisparentswantedhimtopursueacareerinscienceormedicine.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Totacklethiscrisis，hechosetostudyagricultureandreceivedaneducationatSouthwestAgriculturalCollegeinChongqing.hisparents'wishVShisowndecisionHowevercaringWhile-readingQ7.Whatkindofpersonishe?what(thekeywords)how(contrast)why(qualities)Para3

Howeverintelligent、passionpersistent、determinedAftergraduatingin1953，heworkedasaresearcher.YuanLongpingrealisedthatlargerfieldswerenotthesolution.Instead,farmersneededtoboostyieldsinthefieldstheyhad.Howthiscouldbedonewasachallengingquestionatthetime.Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.Ahybridisacrossbetweentwoormorevarietiesofaspecies.Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasrice

wasamatterofgreatdebate.Thecommonassumptionthenwasthatitcouldnotbedone.Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.Thishybridenabledfarmerstoexpandtheiroutputgreatly.Para.3assumptionVSeffortsWhile-readingQ7.Whatkindofpersonishe?what(thekeywords)how(contrast)why(qualities)Para5

HoweverPara.5GiventhatYuan'shybridsmadehimquitewealthy，onemightthinkhewouldhaveretiredtoalifeofleisure.However，thisisfarfromthecase.Deepdown，Yuanwasstillverymuchafarmeratheart.Asamanofthesoil，hecaredlittleforcelebrityormoney.Instead，hemadelargedonationstosupportagriculturalresearch.r