新人教选修性必修一Unit-5-Reading-and-Thinking-P50-52课件.pptx

ReadingThinking P50-52 Unit 5 Working the Land Read the statistics below.According to the World Health Organization(WHO).The world produces enough food for everyone.More than 800 million people go to bed hungry every day.Did you know these facts before?What problem do they show?RiceisthemainfoodinallEastAsianandSoutheastAsiancountries.What do you think would happen if tomorrow there were suddenly no rice to eat?lEvery year 15 million children die of hunger.lAbout 183 million children weigh less than they should for their age.Do something to help end hunger in the world!The only way to solve the food shortage problem is to increase the yield of the graincrop per land area through the advancement of science and technology.Whoisthemaninthephoto?Whatcropisheholdinginhishands?Whatdoyouknowabouttheman?Whatelsedoyouwanttoknowabouthim?Pre-readingLook and discuss：ThephotoisofYuanLongping,holdingsheavesofhishybridrice.Iknowthatheisoftencalledthe“fatherofhybridrice”,andhisworkhassparkedafarmingrevolutioninChina.IguessIwanttoknowwhathethinksaboutthefutureofChinasagriculture.Introduction of Yuan LongpingName:Nationality:Born:Occupation:Education:Dream:Yuan LongpingChinese in 1930 in Beijingscientist/farmerSouthwest Agriculture College,in 1953To export his hybrid rice so that it canbe grown around the globeWhile-readingScan the text.Paragraph 1Paragraph 2Paragraph 3Paragraph 4Paragraph 5A Yuan conducted research and developed hybrid rice.D Yuan decided to study agriculture.C Yuan considers himself a farmer.E Yuans innovation has helped to feed more people.B Yuan is old but still working hard to fulfil his dreams.Paragraph 6F Yuan cares little for fame or wealth.ReadMatchYuanLongpingsparentswantedhimtopursueacareerinagriculturescience._YuansinnovationhashelpedfeednotonlyChina,butmanyothercountriesthatdependonriceaswell,suchasIndiaandVietnam._Fromthepassage,weknowthatYuanLongpingslifelongpursuitistokeepallthepeopleawayfromhunger._DrYuanismoreafarmerthanascientist._DrYuanskindofriceisthemostsuitableforChinasfarmland._FTTFT True or FalsescienceormedicinestillverymuchafarmeratheartReadanswerWhydoesYuanLongpingconsiderhimselfafarmer?Becausehecontinuallyworksthelandinhisresearch.WhydidYuandecidetostudyagriculture?Hewasconcernedthatfarmershadpoorharvestsandsometimesevenhadashortageoffoodtoeat.Whatisthemainadvantageofhybridcrops?Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.HowhasYuansworkhelpedChinaandothercountries?YuansinnovationhashelpedfeednotjustChina,butmanyothercountriesthatdependonriceaswell,suchasIndiaandVietnam.WhatisYuanslatestvision?Seawaterrice.ReadanswerGroup discussionPost-readingApartfromrice,whataresomeotherimportantcropsinChina?Whatdoyouknowaboutthem?Themostimportantcropbesidesriceiswheat,whichisgrownondifferentpartsofChina,andisusedtomakenoodlesandbread.Cornisalsoapopularcropinnorthandnorth-easternChina.Itisusedbothforfoodandforanimalfeed.Otherthanhybridrice,whatotherhybridproductsdoyouknow?Canyouthinkofnewhybridideas?Commonhybridcropsincludecorn,rapeseed,sunflowers,andnearlyallmarketvegetables.Somekindsofhybridanimalshavebeenknownforalongtime,themostfamousofwhichisthemule-whichisahybridofahorseandadonkey.Theconceptofahybridisnotrestrictedtoplantsandanimals.Forexample,therearehybridcars,whicharepoweredbytwodifferentkindsofengines(e.g.,petrolandelectric)atthesametime.Group discussionPost-reading Language points P50-51 Unit 5 Working the Land课文回顾1Todealwiththiscrisis,hechosetostudyagriculture.2Heisaverygoodactorandhecommitshimselftoeveryrolethathetakeson.3YuanLongpingstronglybelievedthattheanswercouldbefoundinthecreationofhybridrice.4YuanLongping,throughintenseeffort,solvedenormousdifficultiesanddevelopedthefirsthybridricethatcouldbeusedforfarming.5Thishybridenabledfarmerstoincreasetheiroutputgreatly.6Studentsareencouragedtotryavarietyoffree-timeactivitiestoreducetheintensestressfromstudying.Replace the underlined words with the correct forms of the words from the text.tackledevoteswas(strongly)convincedovercameexpandleisureIndeed,hisslimbutstrongbodyisjustlikethatofmillionsofChinesefarmers,towhomhehasdevotedhislife.句意：确实，他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。

devote.to把（时间、精力或注意力）投入，用于devote oneself to 致力于；专心于（to是介词）devotion n.奉献;忠诚例1：Shedecidedtoquitherjobanddevotemoretimetopainting.她决定辞掉工作，把更多的时间用在画画上例2：Theydevotedthemselvestohelpingthesehomelesspeople.他们全身心地帮助这些无家可归的人1.Facultymembers_mostoftheirtime_scholarlyresearch.2.Shehadstartedto_herenergies_(teach)ratherthanperforming.3.His_tohiswifeandfamilyistouching.4.Heisadorableforhis_toscience.完成句子完成句子:devotetodevoteto teachingdevotiondevotionYuanLongpingrealisedthatlargerfieldswerenotthesolution.Instead,farmersneededtoboostyieldsinthefieldstheyhad.句意：袁隆平意识到，解决问题的办法并不是扩 大农田面积，而是农民们需要提高他们已 有土地上农作物的产量。

yield n.产量；收益high yield高产low yield低产例1：Itwillbringyoua6%yieldonyourinvestment.它会给你的投资带来6%的利润yieldv.除表示“生产；产出”之外，还可表示“屈服；放弃”之意例2：Thefruittreesinhisorchardsyieldalargeamountofapplesandpearseveryyear.他果园的果树每年产出大量的苹果和梨例3：Weshallneveryi。