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Whatdoyouknowaboutcrop?wheatricecornpotatoespeanuttomatoessorghumcottonHaveyouevergrowanycrop?Doyouknowhowtogrowacrop?Howdoyouthinktogrowourmainfood----rice?Howdothefarmersgrowrice?ploughing(犁田)seeding(播种)growsomeyoungplantsinserttheyoungplantsintothefieldirrigating(灌溉)fertilizing(施肥)harvesting(收获)winnowing(扬谷)selecttheweedsploughthesoilturnoverthesoilsowtheseedsremovetheweedsfertilizefarmingstepsAgricultureinthepastAgricultureinthemoderntimesApoemFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.SympathyforthePeasantsByLiShenWorkhardbyhoeatmidday,Sweatingthesoil.Doyouknowthatgrainscomefrom?It’sduetothehardworkofthefarmersPloughsoilinthenoonwiththesweatdropintheland,whoknowsthefoodmadeofhard?Orange:Wheat(bread)Blue:RiceGreen:FoodmadeofflourWhite:potato,cottonItissaidthatthereare2.4billionpeoplewhoeatriceeverydaythroughouttheworld.WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?Morethan800millionpeoplegotobedhungryeveryday!Hungern.饥饿,饥渴;渴望vi.渴望;渴求Ifthathappened,peoplemightdieofhunger.Thewholeworldwouldgetintotrouble.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?Dosomethingtohelpendhungerintheworld!!!Inthelate1990s,Brown,anAmericanscholar,cameupwiththetheoryofChineseMenace(威胁),whichsaidthatinthe2030s,Chinesepopulationwilladdupto1.6billion,andhadthequestionwhowouldfeedthelargepopulationinChinaaswellasintheworld.Theonlywaytosolvethefoodshortageproblemistoincreasetheyieldofthegraincropperlandareathroughtheadvancementofscienceandtechnology.Justatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld.重穗型超高产杂交稻YuanLongping“FatherofHybridRice”袁隆平,男,1930年9月出生于北京,1953年毕业于西南农学院农学系。毕业后,一直从事农业教育及杂交水稻研究。在中国人民正闹饥荒的20世纪60年代,袁隆平提出了杂交水稻的概念,这种新型水稻具有高产量的特点。10年后,他研制成功了一种产量比一般水稻高出20%的新型水稻。袁隆平一生献身于农业研究,先后受到联合国教科文组织、粮农组织的称誉。袁隆平虽已年届70岁,仍然一如既往地从事农业研究。袁隆平人物简历APIONEERFORALLPEOPLEReadingScanning:Findoutthemainideaofeachparagraph.•DrYuan’sbiography•DrYuan’sappearanceandhisachievement.•DrYuan’sdreams.•DrYuan’spersonality.Para1Para2Para3Para41.WhatdoseDr.Yuanlooklike?Why?2.Whatishisachievement?Para1Helookslikeafarmer(hissunburntfaceandarmsandhisslim,strongbody)becausehealwaysworksunderthesunforalongtime.Heproducessuperhybridrice,whichmakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.CarefulreadingHeismoreafarmerthanascientist.Timeinformation19301953AsayoungmanArecentharvestnowBornSouthwestAgriculturalCollegeSawthegreatneedforincreasingthericeoutput200milliontonsofricewasproducedCirculatinghisknowledgeinlessdevelopedcountriestoincreasethericeharvestsSearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefieldsPara.2DrYuan’sbiographyWhichofthefollowingdescriptionaboutDrYuan’spersonalityisnottrue?A.Hecareslittleaboutmoneyandbeingfamous.B.Besideshardwork,hehassomehobbies,suchaslisteningtoviolinmusic,playingmah-jong,swimmingandreading.C.Leadingacomfortablelifemeansalottohim.D.Hegivesmuchmoneytohelpotherstodoresearchinagriculture.Para.3DrYuan’spersonalityWhatishisattitudetowardsfameandwealth?Heisnotsatisfiedwithhispresentachievementandneverstopsstrugglingordreaming.Beingfamousgiveshimlessfreedom;carelittleabout…Achievements:Hobbies:growricethathasahighoutputcirculatehisknowledgeabroadgivemoneytoequipothersfortheirresearchlisteningtoviolinmusicplayingmah-jongswimmingreadingDescribethericeinDr.YuanLongping’sfirstdream•Astallassorghum•Asbigasabroom•AshugeasapeanutToexporthisricesothatitcanbegrownallovertheworld.Para4Whatdoes“Wishingforthings,however,costsnothing.”mean?Dreamsarefreeandeverybodycanhaveideasaboutwhattheywouldliketheirfuturelifetobe.
本文标题:必修四Unit2.
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