Unit5WorkingtheLandReadingforWriting课件-高二英语人教版选择性

ReadingforWritingEvaluatechemicalfarmingandorganicfarmingWhichtomatoesdoyoupreferWhyChemicaltomatoesOrganictomatoesWarming-up01请替换文字内容，添加相关标题，修改文字内容，也可以直接复制你的内容到此。请替换文字内容，添加相关标题，修改文字内容，也可以直接复制你的内容到此。点击请替换文字内容请替换文字内容，添加相关标题，修改文字内容，也可以直接复制你的内容到此。请替换文字内容，添加相关标题，修改文字内容，也可以直接复制你的内容到此。点击请替换文字内容1.WhatkindoffertilizersdofarmersuseforfarmingChemicalfertilizersNaturalwastefromanimalsLeadinginChemicalfarmingChemicalfarmingPrediction1.WhatisthetextaboutChemicalfarmingOrganicfarming(definition,benefit,problem...)

picturestitle2.WhattypeofwritingisitA.Narration(记叙文)B.Expository(说明文)C.Argumentation(议论文)

SkimmingPart1:(Para1-2)

Part2:(Para3-4)

Part3:Thebenefitsandproblemsofchemicalfarming.Whatorganicfarmingisand

organicmethodsforproducingrichsoil.

Thereisstillalongwaytogobeforebalancingsufficientfoodandthehealthofpeopleandenvironment.

Find

outthedefinitionsofchemicalfarmingandorganicfarming.Chemicalfarmingisfarmingusing________________and______________andwhileorganicfarmingissimplyfarming________usinganychemical.ScanningchemicalpesticidesartificialfertiliserswithoutDetailedReading:Readthepassageandfillintheblanks.3minsChemicalfarmingbenefitsAgreatwayto__________________________.problems1.Pesticidescan_____________bykillingnotonlyharmfulbacteriaandinsectsbutalsohelpfulones.2.Affectnotonly________butalso__________.3.Cropsarelackingin________________orhaveless___________.Organicfarmingbenefits1.Thesoilisrichin_________.2.Keepthe______________freeofchemicals.3.Avoiddamageto_______________________.problemsNowherenearableto_____________________.Theauthor’sopinionThereisstillalongwaytogobeforebalancingsufficientfoodandthehealthofpeopleandenvironment.ChemicalfarmingbenefitsAgreatwaytofightcropdiseaseandincreaseproduction.problems1.Pesticidescandamagethelandbykillingbacteriaandinsects.2.Affectnotonlythecropsbutalsotheanimalsandhumans.3.Cropsarelackinginnutrition/essentialminerals

orhave

lessfavour.Organicfarmingbenefits1.Thesoilisrichinminerals.2.Keeptheair,soil,waterandcropsfreeofchemicals.3.Avoiddamagetotheenvironmentortopeople’shealth.problemsNowherenearabletomeetthedemandforfood.Theauthor’sopinionThereisstillalongwaytogobeforebalancingsufficientfoodandthehealthofpeopleandenvironment.DetailedReading:Readthepassageandfillintheblanks.3minsReadthetextcarefullyandcompletethetablebelow.e7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Farmingbenefitsproblemssolutions/methodschemicalfarmingsolutions:organicfarmingmethods:while-readinge7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Chemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Overtime,however,whatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeople'shealth.Forexample,pesticidescandamagethelandbykillingnotonlyharmfulbacteriaandinsects,butalsohelpfulones.Inaddition,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigestthem.Manypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.Infact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.Asforchemicalfertilisers,cropsgrownwiththemususallygrowtoofasttoberichinnutrition.Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.e7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Farmingbenefitsproblemssolutions/methodschemicalfarmingorganicfarmingproblemswithfertilisers:problemswithpesticides:fightcropdiseaseincreaseproductionswitchtoorganicfarmingharmboththelandandpeople'shealthlessnutrition,essentialmineralsandflavourCheckanswerswhile-readinge7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579

signpostwordsfunction转折，对比举例说明however,butforexample,inaddition,butalso,aswell并列，递进asforinturn引出新话题逻辑顺序logice7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Asanalternative,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.Forexample,manyorganicfarmersusenaturalwastefromanimalsasfertiliser.Thismakesthesoilintheirfieldsricherinminerals.Italsokeepstheair,soil,water,andcropsfreeofchemicals.Organicfarmersalsousemanyothermethodstoproducerichsoil.Theyoftenchangethekindofcropgrownineachfieldeveryyear.Forinstance,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.Organicfarmersalsoplantdiversecropsthatusedifferentdepthsofsoiltohelpkeepitrich.Forexample,peanutsgrowonthegrounds'ssurface,butmanyothervegetablesputdowndeeproots.ThegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortoCheckanswerse7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Farmingbenefitsproblemssolutions/methodschemicalfarmingorganicfarmingproblemswithfertilisers:problemswithpesticides:fightcropdiseaseincreaseproductionswitchtoorganicfarmingharmboththelandandpeople'shealthlessnutrition,essentialmineralsandflavourkeepsoilrichandfreeofdiseasekeep...freeofchemicalsusenaturalwastechangethekindofcropgrownineachfieldeveryyear.plantdiversecropsnowherenearabletomeetthatneedwhile-readinge7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579somepeoplewouldprefertostoptheuseofman-madechemicalsinagricultureentirely.Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.Organicfarmingisnowherenearabletomeetthatneed.Therefore,thereisstillalongwaytofindasuitablesolutionthatputssufficientfoodonthedinnertablewhilekeepingpeopleandtheenvironmentashealthyaspossible.What'sthewriter'sattitudetowardsorganicfarming?Whatotherproblemsoforganicfarmingcanyouthinkofobjective/neutralWriting1.Structureofanargumentativeessay:

(Para.1)(Para.2)AnargumentativeessayYouropinionSupportingpoint2(Para.3)Supportingpoint3Supportingpoint1IntroductionBodyConclusionSummaryTitleDetailsDetailsDetailsPara.1stateyouropinionCurrently,thereisawidespreadconcernovertheissuethat…Asisoftenthecase,…AsfarasIamconcerned,however,…Itcanbesaidwithcertaintythat...Soinmyopinion,…Nowadays,ithastobenoticedthat…SoI’mconvincedthat…2.Usefulexpressionsforwritinganargumentativeessay:

Para.2supportingpointsanddetailsFirstofall,thereisnodenying/doubtthat...Ontheonehand,…Ontheotherhand,…Moreover,….Foronething,…Foranother,…Lastly,…Acaseinpointis...Similarly,weshouldpaymoreattentionto...Ashasbeenmentionedabove,...Personally,Iwillconcludebysaying...Therefore,Ihavethereasontobelievethat...Fromwhathasbeendiscussedabove,wemaysafelydrawtheconclusionthat…Para.3givesummaryDecidewhetheryourgroupsupportschemicalarmingororganicfarming.Comeupwiththreemainpointstosupportyouropinion,andthenaddatleastonedetailtosupporteachmainpoint.Completetheoutlinebelow.Topicsentence:Inmyopinion,

farmingispreferableto.farmingbecause

.Point1:.(Detail) .Point2: .

(Detail) .(Detail) .Point3: .Conclusion:

. . .Useyouroutlinetowriteashortessaygivingyouropiniononthetopic.YoucanusetheexpressionsonPage55whensharingyouropinion.AdvantagesofOrganicFarmingComparedtochemicalfarming,organicfarmingenjoysitsoverwhelmingsuperiority.Thereasonsareasfollows.Firstly,organicfoodishealthierandsaferasinorganicfarming,poisonouschemicalslikepesticidesareforbiddenfrombeingusedoncrops.Furthermore,organicfarmingisenvironmentallyfriendly.Forinstance,organicfarmersusenaturalwastefromanimalsasfertilizer,whichisharmlesstotheenvironment.Lastly,farmerscanincreasetheirincomethroughorganicfarming.Aspeopletendtopursueagreenlife,theyaremorelikelytobuyorganicfruitandvegetablesdespitethehighprices.Withincomparableadvantages,therefore,organicfarmingisexpectedtobenefitmorepeopleinthefuture.SampleInmyopinion,organicfarmingispreferabletochemicalfarmingbecauseofthebenefitstotheenvironmentandtopeople,andbecauseorganicfoodismorenutritious.Tobeginwith,chemicalfarmingharmstheenvironment.Sincechemicalpesticidesarenotfoundinnature,normalnaturalprocessescannotgetridofthem.Instead,thechemicalstendtoaccumulateinthesoilandwater,andareabsorbedinthefoodchain,wheretheypoisonwildlifeanddomesticanimals.Thisaffectsusdire