教育学习文章Unit 19 Modern Agriculture教案Word文档下载推荐.docx

1、Task1Brainstormingwhatwillyouthinkofwhenyouseetheword“agriculture”?AsktheSstogiveasmanywordsaboutagricultureaspossible.Task2:DiscussionAsktheSs:“Howmanymealsdoyouhaveeveryday?whichmealdoyouthinkisthemostimportant?why?”Nowletshaveadiscussion.Group1&2:whatkindoffooddidweeatatbreakfast,lunch&supperinth

2、epast?Group3&4:whatkindoffooddoweeatatbreakfast,lunch&supperatpresenttime?breakfastlunchsupperInthepastPorridge&saltedvegetablesNoodlesRice&deliciousdishesAtpresentmilk,bread,friedbread,etc.Fastfood2whydoyouthinkpeoplealwayspreferfastfood?whatcanwelearnfromthedifferencesbetweenthefoodinthepast&atpre

3、senttime?Task3:Nowopenyourbooks.Lookatthegraphonpage43&paredwiththefarmproductsfrom1986-1990,weproducedmoregrains,cottonsthanbefore.whydoweproducemorefarmproductsthanbefore?Howarepeopleseatinghabitschangingovertheyears?whydoyouthinkthishappens?2Howhasagriculturalproductchangedduringtheseyears?whatdo

4、youthinkcausedthesechanges?3whateffectsdoyouthinkthechangesineatinghabitswillhaveonagricultureornature?Task4:ListeningPrelistening“whatdoesagriculturedependon?”TheSswillgivemanydifferentanswers.Afterthat,showtheanswer&thepicturesonthescreen.Question:Ifwechangedthestructureofagriculture,whatdoyouthin

5、kwillhappentothenature?2）whilelisteningListentothetape.ThepassageyouheartalksabouthistoryoffarmingfarmersinAmericafishingprotectionofnaturefarmersinchinapigsenvironmentalproblemstreesdikes2whichofthefollowingsentencesaretrue&whicharefalse?）Inearlytimesfarmersinchinamovedaround&burntforests.2）Allfarm

6、ersinSouthAmericaburnforeststocreatefarmland.3）Flood&droughtsaredisastersthatfarmerscannotstop.4）Someofthelandinchinaistoowettogrowcrops.5）Fishfarmersdamagenature.3Listentothetape&completethesentencesbyusingyourownwords.whenfarminggoesagainstnature,allkindsofenvironmentalproblemsaretheresult.Theearl

7、iestfarmersdestroyednature.Theirwayofagricultureledtofloods&droughts.Itisanoldtruththatfarmingshouldnotgoagainstnature.ThelandthatTan&XiaoZaoboughtwastoowet&couldnotbeusedforfarming.Insteadtheychangedthefieldsintofishponds.ontheirfarmtheykeptfish/ducks/chickens&grewfruittrees.3）PostlisteningSupposey

8、ouareTan&XiaoZao.Becauseofyoursuccessfulfarmingonthefield,youareinvitedtoabigmeetingthatmanylocalfarmerswillattend.youareaskedtogivealectureaboutyourexperiencetellinghowyouhaveworkedonthenearlydesertedfield&becomeasuccessfulfarmer.Homework:Listentothetape,finishthelisteningpartonwB.2previewthereadin

9、gpassage.ReadingTheSsaretoreadapassagetolearnthedevelopmentofmodernagriculture.）Tocultivatethestudentsabilitytoscan&skimthepassages.2）Tocultivatethestudentsabilityoffurtherunderstandingaboutthetext.Prereadingclassifythepicturesinthefollowingway:TraditionalfarmingAgriculturemodernfarmingHi-techfarmin

10、g2Prereadingcomparetraditional&modernfarming,focusingontheadvantage&disadvantageofmodernfarming.Thenfilltheform.AdvantagesDisadvantages3whilereading）Scanning:Q1:whatsthebiggestproblemtochinesefarmers?Theshortageofarableland.Q2:whatdoesGmmean?“G”standsfor“genetically”“m”standsfor“modified”2）Skimming:

11、A.Readthewholetext&findoutthetopicsentenceineachparagraph.B.Answerthefollowingquestions:.Howmuchdoesarablelandtakeupinchina?only7percent.2.Howmanywaysarementionedtomakethelandproducemore?whatarethey?4.Fertilisation,irritation,2ormorecropsareplantedeachyearwherepossible,moreadvancedtechnicalinformati

12、on.3.whatdoesnewtechniquesmean?Thosethatareusedtoincreaseagriculturalproductionwithoutharmingtheenvironment.4.whendidscientiststarttodevelopnewtechniques?Fromtheearly1990s.5.Howmanyunusualwaysarementionedtodealwiththeshortageofarableland?2.Growvegetablesingreenhouses,Gm.4Postreading）choosethebestans

13、wers.Inchinaonlysevenpercentofthelandisusedforfarming.Thisis_D_.AbecausefarmersdontneedmorelandtoproducefoodforthewholepopulationBbecausechinaneedsmore&morelandtobuildcitiescbecausetherearenotenoughfarmerstoworkonthelandDbecausetheotherlandcantbeusedforagriculture2Fertilisationisatechniquethatisused

14、to_A_.AmakepoorsoilbetterBmakewetlanddriercmakedrylandwetterDgrowvegetableswiththeirrootsinwaterinsteadofearth3modernagriculturemeansfindingwaysto_c_.Aincreaseirritation&stopusingfertilisersBstopirritation&usingfertiliserscincreaseproduction&befriendlytotheenvironmentDproducethesameamountwhiletaking

15、bettercareofnature4Inthesentence“theyareprotectedfromthewind,rain&insects”,“they”means_c_.AgreenhousesBrootscvegetablesDtomatoes5InGm“m”standsfor“modified”,whichmeans“changed”.whatchangesis_c_.AthewayinwhichpoorsoilismadebetterBthewayinwhichchinesefarmersworkontheirlandcthewayinwhichcropsdevelopfrom

16、seedDthewayinwhichfarmerstakecareoftheenvironment2）Answerthefollowingquestionsbyfurtherunderstandingaboutthetext.Atthebeginningofthepassage,whydoesthewritersay“Itisonthearablelandthatthefarmersproducefoodforthewholepopulationofchina”?Itshowshowgreatwechineseare:weproducefoodforsomanypeoplewithsolitt

17、learableland.2whatdoesthewriterwanttotellusbysaying,“Notonlyfoodproductionisimportantbutalsotakingcareoftheenvironment.”?wemusttakecareoftheenvironmentaswellasfoodproduction.Thatistosay,weshouldproducemorefoodbymeansofnewtechniqueswhichwillnotdoharmtotheenvironment.3whatcanweinferfromthesentence“Inc

18、hinaaboutonehundredresearchstationsarenowdoingGmresearchtomakebettertomatoes,cotton”Inthefuturewecaneatthehi-techproducedfood,whichcontainsmorevitamins&willnotdoharmtotheenvironment.4whatcanyouimagineaboutthefutureoffoodproduction?wecanproducemorefoodthannowwithnewtechniques.3）Groupwork:ThroughGmiti

19、spossibletochangefruits,vegetables&evenanimals.wecanchangethewaytheygrow,wheretheycangrow,howtheywilltaste,whatcolor&whatshapetheywillhave.Decidewhichfruits,vegetables&farmanimalsyouwouldchange,explainhowyouwouldchangethem&why.kindHowwouldyouchangeit?whydoyouwanttochangeitinthisway？fruitanimalsFindo

20、utsomesentencesyouenjoysmost,&trytorecitethemaspossibleasyoucan.consultthewebsites：SpeakingTheSsaretodiscuss&reachaconclusion.EnabletheSstoinventtheirownideasbasedonsomespecificsituationfirst&givethereasonswhytheymaketheconclusionsaswell.Pretask.Describethefarminthepicture.2.whatelseshouldbeincluded

21、atafarmbesideswhatyouseeinthepicture?3.Supposeyouareafarmer.youhaveabigfarm.whatwillyoudowithyourfarm?4.whatsthepercentageofthearablelandinchina?TheSsmaynotknowtheexactnumber,sotheanswermaybe“thearablelandinchinaislessthanbefore”.5.whatsthepopulationofchina?About1.3billionpeople.Therearesomanypeople

22、,butthereissolittlearablelandinchina,Howtosolvetheproblem?makethebestuseoftheland.2SpeakingAgroupoffarmersinyourareahavebeengivenalargepieceofland.Togetherwiththevillageleader,theyhavetodecidehowtousetheland.workingroupsof5.Eachgroupmemberwillplayoneoftheroles.Preparerolecards,discusstheproblem&tryt

23、omakeadecision.RoleAyouarearicefarmer.youthinkthatweshouldgrowriceontheland.Riceisanimportantproduct&wecanmakegoodmoneygrowingrice.Anotherreasonwhyyouthinkweshouldgrowriceisthat_.youdontthinkweshouldgrowsugarcaneonitbecause_&because_.RoleByouareasugarcanefarmer.youthinkthatthelandshouldbeusedforgrow

24、ingsugarcane,because_&because_.youdontthinkitwouldbeagoodideatogrowricebecause_.Rolecyouarealocalfarmer.youthinkthatweshouldgrowtreesonthelandbecause_&because_.youdontthinkweshouldusethelandtoraisepigsbecause_&because_.RoleDyouarealocalfarmer.youwanttousethelandtoraisepigsbecause_.youthinkthatgrowin

25、gtreesisawasteoftime&willnotmakegoodmoneybecause_.AsktheSstousetheexpressionsbelow.Usefulexpressions:InmyopinionyoushouldIthinkheisrightIfIwereyouwehavetomakeachoiceAsfarasIcanseethebestthingwouldbetowecantdoboth,sowouldntitbebetterif?Theotherideasoundsbettertome3Posttask:DebateSupposethegovernmentw

26、antstousethelandinyourvillagetobuildafactory,whileyouvillagersareagainstit.Tellyourreasonsseparately.Dividethewholeclassinto2groups.Givethemsometimetoprepareforthereasons,&thenletthemdebateagainsteachother.PreviewtheintegratingskillsonwB.Grammar&）TheSsaretoreviewtheusagesofsomesuffixes&dosomeexercisesabouttheusageof“it”foremphasis.2）TheSsaretoreadapassagetolearnsth.aboutgreeningthehills.）Tomastertheu