Unit5WorkingthelandUsinglanguage课件高中英语人教版选择性

新人教版高中英语选择性必修一

Unit5WorkingtheLand

UsingLanguagePART01ListeningandspeakingInpairs,discusswhatyoucanseeinthephotosandhowyouthinkeachphotorelatesto

worldhunger.Whatcanyouseeinthepicture?Whatcausedthephenomena?Lead-inIt

representstheideaof

drought.Eitherariveroralakebedhasbeenexposedbyrecedingwaters,leavingbehindcrackedsoil.Achildispouringwaterontotheground.Whenthereisdrought,cropscannotgrowandanimalsmaydie.Itrepresentsfamine[ˈfæmɪn]（饥荒）.Thechildinthephotoisavictimoffamine,whichiswhyhis/herarmandhandaresothin.Famineiswhenthecropsdonotgrowandthereisnotenoughfoodforeveryonetoeat.Whilefaminecanbecausedbydrought,someoftheworstfaminesinworldhistoryhadothersources,suchasinsectsordiseasesthatdestroyedthecrops,orweatherthatwaseithertoohotortoocoolforthecropstogrowproperly.wheatLatins:Lettherebebread1.DoyouknowwhatdoesFAOstandfor?

F:FoodA:AgricultureO:OrganizationLearning2.Let’slearnmorefromthevideo.Theworldorganizationdevotestothehungerproblem.

3.SomethingaboutWorldFoodDay.WorldFoodDay(WFD)wascreatedbytheFAOin1979.Itiscelebratedinmorethan150countries,raisingawarenessandknowledgeoftheproblemsandcausesbehindworldhungerandpoverty.1.Firstlistenandchoosethecorrectanswer.1.Accordingtothehost,whatwillDavidBondtalkabouttoday?A.AnexplanationaboutFAO.B.Hiscareerandexperience.C.Worldhunger.2.WhatdoesFAOthinkaboutnutritiousfood?A.About11%ofthepopulationcanaffordnutritiousfood.B.Peoplecan’taffordordon’thaveaccesstonutritiousfood.C.Therichhavetherighttonutritiousfood.3.WhatdoesFAOdotoalleviateworldhunger?A.Itmakeseffortstoreduceclimatechangetoalleviateworldhunger.B.ItrunsaprojectcalledClimateSmartAgriculturetodevelopsustainableagriculture.C.Itcreateshybridricewhichcangreatlyimprovericeproduction.4.Whatcanweindividualsdotoalleviateworldhungerindailylife?A.Wecaneathybridriceinourdailylife.B.WecantakepartintheprojectnamedClimateSmartAgriculture.C.Wecanbuyfoodthatsupportstheenvironmentandneverwastefood.

Listening1.WhatistheFAO?

Whatisitsmission?

TheFAOstandsfor

and

Organization.Itsaimistoeliminate____________.2.Whatcanseriouslyaffectcropproduction?

Droughts,

and

canseriouslyaffectcropproduction.3.WhatdoestheFAOthinkaboutnutritiousfood?

TheFAObelieveseveryoneshouldhavetheright___________________.4.WhatistheFAOdoingtoalleviateworldhunger?

TheFAOruns

called

Climate-SmartAgriculture,whichhelpscountriesto

.5.WhatdoestheFAOsuggestcountriesdo?

Everycountryneedstofocusonmakingnew______________inagriculturetoo,whichcanoften________thewholeworld.achievementsbenifitFoodAgricultureworldhunger

floodsclimatechangetogethealthyfoodaprojectdevelopsustainableagriculture3.Listenagainandidentifyhowthespeakersupportshisfacts.Matchthesupportingevidencewiththefacts.IdentifysupportingevidenceWhenpeoplepresentimportantfacts,theyusuallygivesomeevidencetosupporttheirclaims.Theevidenceisusuallymentionedatthestartofasentence.Listenoutforkeywordslikereport,research,studies,figures,findings,etc.1.Accordingtoourlatestfigures,…2.Thereisstrongevidencetosuggestthat…3.Ourresearchindicatesthat…A.

warscanheavilyaffectfoodproduction

andtransportation.B.(worldhunger)standsataround11%of

theworld’spopulation.C.manypeoplejustcan’taffordtoeatwell.1.Workinpairs.Discussthefollowingquestionsandthenshareyouranswersinclass.Useatableliketheonebelowtohelpyouorganiseyourthoughts.1.Whatareallthepossiblecausesofworldhungerthatyoucanthinkof?2.Whatcanpeopleandcountriesdotohelpalleviatethesecauses?SpeakingPossiblecausePossiblesolutionYouractionsdroughtsfloodspovertywarinventnew

formsofagriculturethatdonotrelysomuchonwater,anddrought-resistantcrops.build

damsandlevees(alowwallbuiltatthesideofarivertopreventitfromflooding)economicdevelopmentandprogrammesthatgivepeoplemoreopportunitiesinternationalnegotiationI’drather… Inmyeyes... Inmyopinion...Withoutadoubt... Theadvantagesare… Ihaveafeelingthat...It’sapitythat… I’dprefer…because… Myimpressionisthat...Ithink/guess/believe... Frommypointofview,... Myview/opinion/beliefisthat...SharingyouropinionsSampleDialogueA:SowhatshallwedoforWorldFoodDay?B:

Inmyopinion,apostercontestwouldbeaperfectwaytocelebrateit.C:That’sOK,Iguess,butmyimpressionisthateveryoneistiredofmakingposters.A:

It’sapity,butIthinkyou’reright.Wealreadyhavepostersallovercampus,andsothemessagemightgetlost.Weneedtomakeastrongerimpact.C:

Inmyeyes,weshouldhaveaschooldebateonhowbesttosolvetheproblemofworldhunger.B:

Theadvantagesarethatitwouldhelpgetpeopleinvolvedandinterested.A:ButIthinktheproblemwithadebateisthatitdoesn’treallyhithome.Peoplewilllearnmoreaboutworldhunger,that’strue.Ihaveafeelingthatveryfewpeoplewillactuallybemotivatedtodoanythingaboutworldhungerthroughadebate.B:

MyviewisthatweshouldhaveaWorldFoodDaySundayDinner.C:Whatisthat?B:Well,everyonebuysticketstoeatadinner,andthepriceoftheticketsisthesame.Butwhentheybuytheticketstheyhavetodrawtheirticketsatrandom.Somepeoplegetticketstoeatlikeapoorperson—justasmallbowlofrice.Othersgetticketstoeatlikeanaverageperson—noodleswithmeat,perhaps.Finally,othersgetticketstoeatlikeaking—roastduckandallsortsofsweets.C:Withoutdoubt,thatisthecraziestthingI’veeverheard.B:No,no.Idon’tthinkit’scrazyatall.A:What’sthepurposeofsuchameal?B:Inreallife,howwellapersoneatsisreallyjustamatterofluck.Ifyouareborninawealthycountry,youprobablyeatwellandmightevenbefat!Butifyouareborninapoorcountry,youmightjuststarve!A:

Ibelievethatyoumightbeontosomething.Butwho’sgoingtocookthefood?PART02ReadingandWritingLead-inchemicalfertilizersnaturalfertilizersI’dliketochooseChemicalfarming,becauseitcanboosttheyieldofagriculturalproductsinthisway.ButIwanttogrowplantswithout

usingchemicalfertilisersandpesticides.Whodoyousupport?ManorLady?Pleasewriteashortpassagetoshareyouropinionsaboutit.MaintaskversusChemicalfarmingOrganicfarmingSkimmingChemicalVersusOrganicFarmingA.Whyareman-madechemicalsstillusedinfarming?B.Whataretheproblemswithchemicalfarming?C.Whatisorganicfarming?D.Whataretheorganicmethodsforproducingrichsoil?Para1-2Para3Para4Para5

Pleaseskimthetexttomatchthequestionswiththeparagraphs.Note:Thetopicsentenceofeachparagraphandthesignpostswillbeofhelp.ExpositionsomepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.Para.MainideaDetails1&2ProblemswithChemicalfarmingTopicsentence:Manyfarmerswelcomedchemicalfarmingasagreatwayto

and.However,

.Forexample,Pesticidescan

bykillingbacteriaandinsects.Inaddition,

.Thisaffectsnotonly

butalso

.Infact,

.Asforchemicalfertilizers,Cropsarelackingin

orhave

.Detailedreadingincreaseproductionfightcropdiseasewhatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeople’s

health.

damagethelandthesechemicalscan

stayinthesoilandundergroundwatersourcesforalongtime.

thecropsanimalsandhumansnutrition/essentialmineralslessflavourBenefit

ProblemSolution?switchtoorganicfarmingPara.MainideaDetails3&4OrganicmethodsforproducingrichsoilTopicsentence:Organicfarmingfocusesonkeepingthesoilrichandfreeofdiseasethroughnaturalmeans.Forexample,Organicfarmersuse____________fromanimalsasfertiliser.Thismakesthesoilintheirfields_______inminerals.Italsokeepstheair,soil,waterandcropsfreeof__________.Organicfarmersalsousemanyothermethodstoproducerichsoil.Theyoften_________________grownineachfieldeveryyear.Forinstance,theymaygrow

inafiledoneyear,andthengrow

therethenext.Whydifferentcropsaregrownisbecausetheyputimportant__________backintotheground,makingitreadyforthenextbatchofcrops.Organicfarmersalsoplantdiversecropsthatusedifferent_________ofsoiltohelpkeepitrich.Forexample,

.Detailedreadingnaturalwastericherchemicalschangethecropscornorwheatbeansmineralsdepthspeanutgrowontheground’ssurface,butmanyothervegetablesputdowndeeprootsBenefit

Whileorganicfarmingisnowherenearableto

.

Whyareman-madechemicalsstillused?Chemicalfarmingcanmeet______________forfoodaroundtheworld.thehighdemandChemicalfarmingguarantees(确保)a______yield/output.higherMorereasonsrequiresa______cost.lowerneeds____effort.lessDetailedreading(Para.5)Therefore,thereisstillalongwaytofindasuitablesolutionthatputssufficientfoodwhilekeepingpeopleandtheenvironmentashealthyaspossible.meetthatneedProblemSolution?FarmingBenefit

ProblemSolutionChemicalfarming

OrganicfarmingTheauthoruses“Benefits—Problems—Solutions”tointroducechemicalfarmingandorganicfarming.fightcropdiseaseandincreaseproductionsometimesharmboththelandandpeople’shealthswitchtoorganicfarmingmakethesoilrich;keeptheair,soil,waterandcropsfreeofchemicalscannotmeettheneedstillalongwaytofindasuitablesolutionSummary

however,but,onthecontrary,instead,ononehand…ontheotherhandforexample,forinstance,infact,suchas,take…forexampleboth…and…,notonly…butalso,inaddition,and,also,aswell,

what’smore,besides,furthermore,moreover,what’sworsewhy…isbecause…,therefore,forthisreason,thus,consequently,asaressultasfor,asanalternativeSignpostscontrastillustrateaddcauseandeffectintroduceanewtopicDecision-makingTheyareexpectingyoursuggestions!I’dliketochooseChemicalfarming,becauseitcanboosttheyieldofagriculturalproductsinthisway.ButIwanttogrowplantswithout

usingchemicalfertilisersandpesticides.Whodoyousupport?ManorLady?ChemicalfarmingOrganicfarmingmeupwiththreemainpointstosupportyouropinion,andthenaddatleastonedetailtosupporteachmainpoint.BrainstormTopicsentence:

Inmyopinion,___farmingispreferableto__farmingbecause______.Point1:________________Detail:_________________Point2:________________Detail:_________________Point3:

________________Detail:__________________Conclusion:__________________________________________

chemicalfarmingVSorganicfarmingStudentAStudentBStudentCStudentDStudentAEvaluatechemicalfarmingandorganicfarmingwithyourgroupmembers.ChemicalfarmingOrganicfarmingWritingWritingTask

近年来，媒体对“农业可持续发展”“食品安全”等问题作了一些报道，引发了许多讨论，到底哪种农业种植方式有利于农业可持续发展并解决食品安全问题呢？如某英语报记者对你进行采访，征求对此现象的看法，请用英语写一篇议论文，表达自己的观点，并说明理由。DebatingGameOrganicfarmingChemicalfarming观点陈述类议论文YouropinionSupportingpoint2Supportingpoint3Supportingpoint1IntroductionBodyConclusionSummaryTitleDetailsDetailsDetailsexpressyouropinions:Inmyopinion,....AsfarasI’mconcerned,....Frommypointofview,…I’minfavourof....I’magainst/opposedto…Ifirmlybelievethat…makeaconclusion:Inshort,....Inaword,…Allinall,…Inconclusion,....Tosumup,…signpostwordsfunctionforexample,forinstance...举例说明however,but,nevertheless,yet...转折，对比inaddition,additionally,notonly..butalso,aswell,plus,moreover,what'smore...并列，递进asfor,intermsof,whenitcomesto...转换新话题inturn,infact,thus,then,next...逻辑顺序Finishthedraft____________________________Inmyeyes,organicfarmingispreferrabletochemicalfarming,becauseit’sfavorable

to

sustainable

development

of

agriculture,beneficialtobothpeople’shealthandtheenvironmentandprovidemorenutritiousfood.___________,chemicalfarming_______________________.Chemicalpesticideskillbothharmfulandhelpfulones,damagingthefoodchain,ecologicalbalanceandthustheenvironment.____________,theytendtobehardtogetridofandaccumulateinthesoilandgroundwater,whichpoisonandpollutethesoil,water,organismandmicroorganism.TostartwithMakeyourwastenolongerwasteharmstheenvironmentWhat’smore______________,organicfarmingbenefitsthesustainabledevelopmentofagriculture,people’shealthandtheenvironmentbyusingnaturalmeans.Forexample,organicfarmersuse___________________asfertilizers,andadoptotherwaystokeepthesoilrich,whichcanprovidegood-qualityfoodaswellasprotecttheecologicalbalance.Inaddition,itshigherpricecanbringabout_____________offamers.Inconclusion,___________________thatorganicfarmingisfavorable.Thoughthepriceoforganicfoodishigherbecauseofitshighercostandgreaterrequiredeffort,itcanbringusgreatrewardsintheend.I’mfullyconvincednaturalanimalwastes_____________,thepollutedwater,plantsandanimals_____________________aswell.Thoughitmaybetruethatthefoodweeatdoesn’thaveenoughpesticideinittokillusimmediately,overtheyears,thispesticidemay__________________________________________.Inaddition,theuseofchemicalfertilizersmakethefoodlookbright._________,thefoodtastes_______________________________________.Besides,itisless__________inminerals.What’sworsedamagepeople’shealthleadtohealthproblemsandevencausecancerHowevernutritiouslessdeliciousthanthatgrownwith

chemicalsPART03LanguagePointsChemicalpesticidesandartificialfertilizersdiseaseandincreaseproductiontheirlong-termusecansometimesharmboththelandandpeople’shealthPara1CHEMICALVERSUSORGANICFARMINGfightcropReadforusefulexpressionsReadforwritingusefulexpressionsForexample,pesticidescandamagethelandby_____________________________________________________(杀死有害细菌和昆虫的同时，也杀死有益的细菌和昆虫).Inaddition,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,________________________________________(继而影响消化这些作物的人畜).Manypeopleworrythatthesechemicalsmay_________________________________(致病，甚至引发癌症).Infact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.Asforchemicalfertilizers,cropsgrownwiththemusually____________________________(生长过快而营养不足).Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthan______________(必需矿物质),andtheyoften____________(口感较差)aswell.killingnotonlyharmfulbacteriainturn,theanimalsandhumanswhodigestthemmakethemillandevencausegrowtoofasttoberichinnutritionessentialmineralshavelessflavorPara2andinsects,butalsohelpfulonescancerReadforwritingusefulexpressions_________________(作为一种替代方法),somefarmershaveswitchedto_____________(有机耕作),andmanycustomershaveturnedto__________(有机食品)whentheyshopatthelocalgrocery.Organicfarmingissimplyfarming___________________________(不使用任何化学品).Organicfarmersfocuson_____________________________________________________(通过天然的方法保持土壤肥沃，没有病害).Forexample,manyorganicfarmersusenaturalwastefromanimalsasfertilizer.This_____________________________________(使农田土壤富含矿物质).Italsokeepstheair,soil,water,andcropsfreeofchemicals.Asanalternativeorganicfarmingorganicfoodwithout