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1、课题名称:“Workingtheland”课件姓名：李爱兰工作单位：云南省曲靖市富源县第六中学学科年级：高二年级英语教材版本：人教新课标必修4Unit2WorkingthelandWarmingup&ReadingByLiShenFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.DoyouknowtheChinesepoem?PoemHaveyoueverworkedinthefield?Doyouknowhowthefoodweeatisplanted?Usericeas
2、anexample.describethestepswiththehelpofthepicture.First,thefarmersploughthefield.Theyhavetomakethesoillooseenoughtoplantcrops.Whataretheydoing?Second,thefarmersputseedsinthesoil.Third,theygrowsomeyoungplants.Fourth,theyinserttheyoungplantsintothefield.Fifth,theyirrigate(灌溉)thefieldwhenitisdry.Sixt
3、h,theyharvestthegrainsfromthefield.Seventh,theywinnowtogetgrainseparatedfromtheplants.riceReadthestatisticsbelow.Whatproblemdotheyshow?Manypeoplestarveforlackoffoodeventodaybecauseoftheunbalancedworldeconomy.AccordingtotheWorldHealthOrganization:Theworldproducesenoughfoodforeveryone.Morethan800mil
4、lionpeoplegotobedhungryeveryday.Iftomorrowtherewassuddenlynoricetoeat,whatwouldhappen?Let’sgettoknowtheworldhunger.Todayourworldhousesmorethan6.5billionpeople.Worldwide, morethan1billionpeoplecurrentlylivebelowtheinternationalpovertyline,earninglessthan$1perday.854millionpeopleacrosstheworldaresuf
5、feringfromhunger,upfrom852millionayearago.Sixmillionchildrenundertheageof5dieeveryyearasaresultofhunger.Everyday,almost16,000childrendiefromhunger.Onechildeveryfiveseconds.Ifyouhadthechancetodoonethingtohelpendhungerintheworld,whatwouldyoudo?inventanewkindofplanttoproducemorefood.makeakindoffertil
6、izertogivericeenoughnutritionandletthemgrowquicklyandhavehighproduct.Theonlywaytosolvethefoodshortageproblemistoincreasetheyieldofthegraincropperlandareathroughtheadvancementofscienceandtechnology.Justatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvet
7、hesameproblemintheworld.Guesswhoheis.FatherofHybridRiceHeisfatherofhybridrice,whowasawarded“theNobelPrizeofAsia”.Hereceivedthehonorforhisgreatcontributionstohybridriceresearchandworkhedidtoimprovericeproductionin
