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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&ReadingHaveyoueverworkedinthefield?Doyouknowhowthefoodweeatisplanted?Usericeasanexample.describethestepswiththehelpofthepicture.First,thefarmersploughthefield.Theyhavetomakethesoillo
2、oseenoughtoplantcrops.Whataretheydoing?Second,thefarmersputseedsinthesoil.Third,theygrowsomeyoungplants.Fourth,theyinserttheyoungplantsintothefield.Fifth,theyirrigate(灌溉)thefieldwhenitisdry.Sixth,theyharvestthegrainsfromthefield.Seventh,theywinnowtogetgrainseparatedfromtheplants.ri
3、ceReadthestatisticsbelow.Whatproblemdotheyshow?Manypeoplestarveforlackoffoodeventodaybecauseoftheunbalancedworldeconomy.AccordingtotheWorldHealthOrganization:Theworldproducesenoughfoodforeveryone.Morethan800millionpeoplegotobedhungryeveryday.Iftomorrowtherewassuddenlynoricetoeat,wh
4、atwouldhappen?Let’sgettoknowtheworldhunger.Todayourworldhousesmorethan6.5billionpeople.Worldwide, morethan1billionpeoplecurrentlylivebelowtheinternationalpovertyline,earninglessthan$1perday.854millionpeopleacrosstheworldaresufferingfromhunger,upfrom852millionayearago.Sixmillionchil
5、drenundertheageof5dieeveryyearasaresultofhunger.Everyday,almost16,000childrendiefromhunger.Onechildeveryfiveseconds.Ifyouhadthechancetodoonethingtohelpendhungerintheworld,whatwouldyoudo?inventanewkindofplanttoproducemorefood.makeakindoffertilizertogivericeenoughnutritionandletthemg
6、rowquicklyandhavehighproduct.Theonlywaytosolvethefoodshortageproblemistoincreasetheyieldofthegraincropperlandareathroughtheadvancementofscienceandtechnology.Justatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld.
7、Guesswhoheis.FatherofHybridRiceHeisfatherofhybridrice,whowasawarded“theNobelPrizeofAsia”.Hereceivedthehonorforhisgreatcontributionstohybridriceresearchandworkhedidtoimprovericeproductionindevelopingcountries.Heiscalledapioneerforallpeople.DrYuanLongping(袁隆平博士)thericethathasahighout
8、putSuperHybridRicehybridco
