外研版必修4 模块4 Great Scientists 课件.ppt

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1、Module4GreatScientists杂交水稻之父fatherofhybridriceYuanLongping袁隆平荣获世界粮食奖WorldfoodprizeTheStudentWhoAskedQuestionsLearningaims:1.LearnaboutthescientistYuangLongping.2.Toimprovethestudents’listeningandreadingskill.3.Tomastersomeimportantlanguagepoints.A.Asayoungteacher,he

2、beganexperimentsincropbreeding.B.Asaboy,hewascalled“thestudentwhoaskedquestions”.C.Hediscoveredaspecialtypeofrice.D.YuanLongpingisaleadingfigureintherice-growingworld.E.TheyieldofthenewhybridriceismuchgreaterthanthatofothertypesgrowninPakistan.F.Hisdiscoveriesincrea

3、sedChinesericeproduction.Listenandtrytofindthemainideaofeachparagraph:Listening123456A.Asayoungteacher,hebeganexperimentsincropbreeding.B.Asaboy,hewascalled“thestudentwhoaskedquestions”.C.Hediscoveredaspecialtypeofrice.D.YuanLongpingisaleadingfigureintherice-growing

4、world.E.TheyieldofthenewhybridriceismuchgreaterthanthatofothertypesgrowninPakistan.F.HisdiscoveriesincreasedChinesericeproduction.Trytofindthemainideaofeachparagraph:ReadingDBACFE123456Asaboy,Asateacher,Asacollegestudent,In1966,In1970,hewasgiventhenickname.hestudied

5、agriculture.hebeganexperimentsincropbreeding.theresultofhisexperimentwaspublished.anaturallysterilemalericeplantwasdiscovered.ReadingWhatdidhedo?(completethesentences)2-4anew_______riceby__________different________ofriceplantItcouldgiveahigher____thaneitherofthe____

6、______plants.WhatkindofricedidYuanLongpingdevelop?Howdidhedevelopit?Whatistheresultofthenewrice?hybridcrossingspeciesyieldoriginal3.Yuan’sricewasexportedtoothercountries.Chinesericeproductionroseby47.5%inthe1990’s.2.50,000squarekilometresofricefieldswereconvertedtog

7、rowingvegetablesandothercashcrops.5-6Whataretheadvantagesofhybridrice?advantagesRiceconversionRiceexportRiceproductionRoleplay(分组合作，角色扮演）根据课文内容提出并回答问题Group1:记者小组（Journalists)Group2:农民小组(Farmers)Group3:科学家小组（袁隆平）(Scientists)AnalyseImportantSentences1.YuanLongpingwasb

8、ornandbroughtupinChina.1>Tonywasbroughtupandeducatedbyhisuncle.____________________________.2>Thesmellysmellmadeherbegintobringup.________