Unit5WorkingthelandUsinglanguage課件高中英語人教版選擇性

新人教版高中英語選擇性必修一

Unit5WorkingtheLand

UsingLanguagePART01ListeningandspeakingInpairs,discusswhatyoucanseeinthephotosandhowyouthinkeachphotorelatesto

worldhunger.Whatcanyouseeinthepicture?Whatcausedthephenomena?Lead-inIt

representstheideaof

drought.Eitherariveroralakebedhasbeenexposedbyrecedingwaters,leavingbehindcrackedsoil.Achildispouringwaterontotheground.Whenthereisdrought,cropscannotgrowandanimalsmaydie.Itrepresentsfamine[?f?m?n]（饑荒）.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(確保)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

近年來，媒體對“農(nóng)業(yè)可持續(xù)發(fā)展”“食品安全”等問題作了一些報道，引發(fā)了許多討論，到底哪種農(nóng)業(yè)種植方式有利于農(nóng)業(yè)可持續(xù)發(fā)展并解決食品安全問題呢？如某英語報記者對你進(jìn)行采訪，征求對此現(xiàn)象的看法，請用英語寫一篇議論文，表達(dá)自己的觀點(diǎn)，并說明理由。DebatingGameOrganicfarmingChemicalfarming觀點(diǎn)陳述類議論文YouropinionSupportingpoint2Supportingpoint3Supportingpoint1IntroductionBodyConclusionSummaryTitleDetailsDetailsDetailsexpressyouropinions:Inmyopinion,....AsfarasI’mconcerned,....Frommypointofview,…I’minfavourof....I’magainst/opposedto…Ifirmlybelievethat…makeaconclusion:Inshort,....Inaword,…Allinall,…Inconclusion,....Tosumup,…signpostwordsfunctionforexample,forinstance...舉例說明however,but,nevertheless,yet...轉(zhuǎn)折，對比inaddition,additionally,notonly..butalso,aswell,plus,moreover,what'smore...并列，遞進(jìn)asfor,intermsof,whenitcomesto...轉(zhuǎn)換新話題inturn,infact,thus,then,next...邏輯順序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_____________________________________________________(殺死有害細(xì)菌和昆蟲的同時，也殺死有益的細(xì)菌和昆蟲).Inaddition,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,________________________________________(繼而影響消化這些作物的人畜).Manypeopleworrythatthesechemicalsmay_________________________________(致病，甚至引發(fā)癌癥).Infact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.Asforchemicalfertilizers,cropsgrownwiththemusually____________________________(生長過快而營養(yǎng)不足).Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthan______________(必需礦物質(zhì)),andtheyoften____________(口感較差)aswell.killingnotonlyharmfulbacteriainturn,theanimalsandhumanswhodigestthemmakethemillandevencausegrowtoofasttoberichinnutritionessentialmineralshavelessflavorPara2andinsects,butalsohelpfulonescancerReadforwritingusefulexpressions_________________(作為一種替代方法),somefarmershaveswitchedto_____________(有機(jī)耕作),andmanycustomershaveturnedto__________(有機(jī)食品)whentheyshopatthelocalgrocery.Organicfarmingissimplyfarming___________________________(不使用任何化學(xué)品).Organicfarmersfocuson_____________________________________________________(通過天然的方法保持土壤肥沃，沒有病害).Forexample,manyorganicfarmersusenaturalwastefromanimalsasfertilizer.This_____________________________________(使農(nóng)田土壤富含礦物質(zhì)).Italsokeepstheair,soil,water,andcropsfreeofchemicals.Asanalternativeorganicfarmingorganicfoodwithout