【英语】Unit 5 Reading for writing写作课件 2023-2024学年高中人教版2019选择性必修第一册

Unit5UsingLanguageReadingforwriting

ChemicalfarmingVSOrganicfarmingWhichtomatoesdoyouprefer?Why?ChemicaltomatoesOrganictomatoesWarming-up1.Whatisthefarmerdoinginthepicture?Sprayingchemicalpesticidesonthecrops.v.喷洒n.杀虫剂Wearingamaskandhat.2.Whatisthefarmerwearing?Why?Itmayharmpeople’shealth.ChemicalVersusOrganicFarmingPrediction1.Whatisthetextabout?ChemicalfarmingOrganicfarming(definition,benefit,problem...)picturestitle2.Whattypeofwritingisit?A.NarrationB.ExpositionC.Argumentation

Whatarethebenefitsandproblemsofchemicalfarming?ParagraphMainIdeaDetail

BenefitsProblemsPesticidescankillhelpful__________________Somepesticideshavebeen__________becauseofthe___________________.Cropsgrownwithchemicalfertilizersusually___________tobefullof__________.chemicalfarming1-2Chemicalfarmingisfarmingwith_________,especially______________and__________________.Readfordetails______________________________________(化学农药和人工肥料)havebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwayto_________________________________________(抵御作物病害、增加产量).Overtime,however,whatsomescientistshavefoundisthat_______________________________________________________________(长期使用它们有时会危害土地和人类健康).Chemicalpesticidesandartificialfertilizersdiseaseandincreaseproductiontheirlong-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,butalsohelpfulonescancerWhatarethebenefitsandproblemsofchemicalfarming?ParagraphMainIdeaDetail

BenefitsProblemsPesticidescankillhelpful__________________Somepesticideshavebeen__________becauseofthe___________________.Cropsgrownwithchemicalfertilizersusually___________tobefullof__________.chemicalfarmingfightcropdiseasesandincreaseproductionbacteriaandinsectsprohibiteddamagetheycausedgrowtoofastnutritionPart1:(Para1-2)

Thebenefitsandproblemsofchemicalfarming.1-2Chemicalfarmingisfarmingwith_________,especially______________and__________________.chemicalschemicalpesticidesartificialfertilizersReadfordetailsReadfordetailsPara3-4ParagraphMainIdeaDetail3Whatorganicfarmingis

Manyorganicfarmersuse_______________________asfertilizer.4Organicmethodsforproducingrichsoil

Theyoften_________________grownineachfield.Theyalsoplantcropsthatuse____________ofthesoiltohelpkeepitrich.Organicfarmingissimplyfarming_________________.Readforwritingusefulexpressions_________________(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.AsanalternativeorganicfarmingorganicfoodwithoutusinganykeepingtheirsoilrichandfreeofdiseasethroughnaturalmeansmakesthesoilintheirfieldsricherinmineralsPara3chemicalsReadforwriting1(usefulexpressions)Organicfarmersalsousemanyothermethodstoproducerichsoil.Theyoften_____________________________________________(每年更换每块农田种植的作物种类).Forinstance,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.Organicfarmersalso______________________________________________(种植土壤深度要求不同的多样化作物)tohelpkeepitrich.Forexample,peanutsgrowontheground’ssurface,butmanyothervegetablesputdowndeeproots.Thegoalofusingdifferentorganicfarmingmethodsisto_______________________________________________________________(生产优质食物，同时避免损害环境和人类健康).changethekindofcropgrownineachfieldeveryyearplantdiversecropsthatusedifferentgrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople’shealth.Para4depthsofsoilReadfordetailsPara3-4ParagraphMainIdeaDetail3Whatorganicfarmingis

Manyorganicfarmersuse_______________________asfertilizer.4Organicmethodsforproducingrichsoil

Theyoften_________________grownineachfield.Theyalsoplantcropsthatuse____________ofthesoiltohelpkeepitrich.changethekindofcropdifferentdepthsnaturalwastefromanimalsOrganicfarmingissimplyfarming_________________.withoutchemicalsReadforwritingusefulexpressionsSomepeoplewouldprefertostoptheuseofman-madechemicalsinagricultureentirely.

Whatkeepsthemfromdoingsoisthefactthatchemicalfarming____________________________________________(满足了全世界对事物的高要求).

Organicfarmingisnowherenearabletomeetthatneed.Therefore,___________________________________________________________________________________________________________________________________________________(想要找到一个合适的解决方案，使人类和环境尽可能保持健康，又让人们有足够的食物可吃，还有很长的路要走).servesthehighdemandforfoodaroundtheworldsuitablesolutionthatputssufficientfoodonthedinnertablewhilekeepingpeopleandtheenvironmentashealthyaspossible.Para5thereisstillalongwaytofindaWhyman-madechemicalsarestillusedinfarmingPara5Part1:(Para1-2)Part2:(Para3-4)Part3:Thebenefitsandproblemsofchemicalfarming.Whatorganicfarmingisand

organicmethodsforproducingrichsoil.

Thereisstillalongwaytogobeforebalancingsufficientfoodandthehealthofpeopleandenvironment.ReadforthemainideasandstructuresReadfor

discoursemarkersReadfordiscoursemarkersChemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Overtime,①_________,whatsomescientistshavefoundisthattheirlong-termusecansometimesharm③________theland______people’shealth.②____________,pesticidescandamagethelandbykilling③________harmfulbacteriaandinsects,___________helpfulones.③___________,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigestthem.CHEMICALVERSUSORGANICFARMINGhoweverbothandForexamplenotonlybutalsoInadditionManypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.②___________,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.⑤_______chemicalfertilisers,cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.Theymaylookbeautifulontheoutside,①_______insidethereisusuallymorewaterthanessentialminerals,③_______theyoftenhavelessflavour_______.⑤________________,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.Organicfarmingissimplyfarmingwithoutusinganychemicals.InfactAsforbutandaswellAsanalternativeOrganicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.②____________,manyorganicfarmersusenaturalwastefromanimalsasfertiliser.Thismakesthesoilintheirfieldsricherinminerals.It③_________keepstheair,soil,water,andcropsfreeofchemicals.Organicfarmers③_________usemanyothermethodstoproducerichsoil.Theyoftenchangethekindofcropgrownineachfieldeveryyear.②___________,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.④___________________________________________theyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.ForexamplealsoForinstancealsoWhydifferentcropsaregrownisbecauseOrganicfarmers③________plantdiversecropsthatusedifferentdepthsofsoiltohelpkeepitrich.②____________,peanutsgrowontheground’ssurface,①_________manyothervegetablesputdowndeeproots.Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople’shealth.Somepeoplewouldprefertostoptheuseofman-madechemicalsinagricultureentirely.Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.Organicfarmingisnowherenearabletomeetthatneed.④___________,thereisstillalongwaytofindasuitablesolutionthatputssufficientfoodonthedinnertablewhilekeepingpeopleandtheenvironmentashealthyaspossible.ForexamplealsobutTherefore

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,asanalternativediscoursemarkers

contrast对比

illustrate解释add补充causeandeffect因果introduceanew

topicWritingTask

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Para.1Para.2YouropinionSupportingpoint2Para.3Supportingpoint3Supportingpoint1IntroductionBodyConclusionSummaryTitleDetailsDetailsDetailsexpressyouropinions: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.Tostartwi