Unit+5+Working+the+Land高二英语人教版选择性必修第一册

Unit5WorkingtheLand--Reading

forWritingVSLearningAims1.LinguisticCompetence:

Tounderstandexpository(说明文)andmakearguments.2.LearningAbilities:

Toacquire(获取)informationfromthetextthroughskimming,scanninganddetailedreading.3.ThinkingQuality:Toanalyse(分析)thelogicoftheinformationanddevelopyourownideas.4.CulturalAwareness:

Tolearnaboutchemicalfarmingandorganicfarmingandthinkabouttheagriculturaldevelopment.Contents01Warming-up02Reading03Debating04WritingPartⅠWarmingupWhatdoyouknowaboutthetwofarmingmethods?chemical/conventionalfarmingorganicfarmingWhatkindoffertilizersdoorganicfarminguse?ChemicalfertilizersNaturalwastefromanimalsWhichtomatoesdoyouprefer?Why?ChemicaltomatoesOrganictomatoesWarming-upchemicalstrawberriesorganicstrawberriesPartⅡReadingPrediction1.Whatisthetextabout?ChemicalfarmingOrganicfarming(definition,benefit,problem...)

picturestitle2.Whattypeofwritingisit?A.Narration(记叙文)B.Expository(说明文)C.Argumentation(议论文)

ReadforthemainideasMatchthemainideas(A-D)belowwiththeparagraphs.ParagraphMainidea1-2345BCADWhatorganicfarmingisWhyman-madechemicalsarestillusedinfarmingOrganicmethodsforproducingrichsoilTheproblemswithchemicalfarmingSkimmingPart1:(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.3minsReadforwriting1(usefulexpressions)______________________________________(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’shealthPara1CHEMICALVERSUSORGANICFARMINGfightcropReadforwriting1(usefulexpressions)Forexample,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,theanimalsandhumanswhodigestthemmakethemillandevencausegrowtoofasttoberichinnutritionessentialmineralshavelessflavorPara2CHEMICALVERSUSORGANICFARMINGandinsects,butalsohelpfulonescancerReadforwriting1(usefulexpressions)_________________(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.AsanalternativeorganicfarmingorganicfoodwithoutusinganykeepingtheirsoilrichandfreeofdiseasethroughnaturalmeansmakesthesoilintheirfieldsricherinmineralsPara3CHEMICALVERSUSORGANICFARMINGchemicalsReadforwriting1(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.Para4CHEMICALVERSUSORGANICFARMINGdepthsofsoilReadforwriting1(usefulexpressions)Somepeoplewouldprefertostoptheuseofman-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.Para5CHEMICALVERSUSORGANICFARMINGthereisstillalongwaytofindaReadforwriting2(discoursemarkers)Chemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Overtime,①_________,whatsomescientistshavefoundisthattheirlong-termusecansometimesharm③________theland______people’shealth.②____________,pesticidescandamagethelandbykilling③________harmfulbacteriaandinsects,___________helpfulones.③___________,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigestthem.CHEMICALVERSUSORGANICFARMINGhoweverbothandForexamplenotonlybutalsoInadditionReadforwriting2(discoursemarkers)CHEMICALVERSUSORGANICFARMINGManypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.②___________,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.⑤_______chemicalfertilisers,cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.Theymaylookbeautifulontheoutside,①_______insidethereisusuallymorewaterthanessentialminerals,③_______theyoftenhavelessflavour_______.⑤________________,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.Organicfarmingissimplyfarmingwithoutusinganychemicals.InfactAsforbutandaswellAsanalternativeReadforwriting2(discoursemarkers)CHEMICALVERSUSORGANICFARMINGOrganicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.②____________,manyorganicfarmersusenaturalwastefromanimalsasfertiliser.Thismakesthesoilintheirfieldsricherinminerals.It③_________keepstheair,soil,water,andcropsfreeofchemicals.Organicfarmers③_________usemanyothermethodstoproducerichsoil.Theyoftenchangethekindofcropgrownineachfieldeveryyear.②___________,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.④___________________________________________theyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.ForexamplealsoForinstancealsoWhydifferentcropsaregrownisbecauseReadforwriting2(discoursemarkers)CHEMICALVERSUSORGANICFARMINGOrganicfarmers③________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,asanalternativeReadforwriting2(discoursemarkers)contrastillustrateaddcauseandeffectintroduceanewtopicPartⅣDebatinge7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579Listtheprosandconsofchemicalandorganicfarmingasmanyaspossible.prosconsconspros

◎fightcropdisease

◎increaseproduction◎harmtheland◎harmpeople'shealth◎lacknutrition,essentialminerals,flavour◎environmentallyfriendly◎benefitpeople'shealth◎growhealthyandtastyfood◎can'tmeettheneed◎highercostofproducingfood◎requiregreaterefforttofarm............◎tooexpensive◎cheap◎killharmfulinsectsandweed◎killgoodinsects◎protectbiodiversitychemicalfarmingchemicalfarmingRules:1.Giveatleastthreearguments(论据).(4mins)2.Twostudentscomestostateyouropinions.Then,otherstudentsbegintomakecomplements.DebatingGameOrganicfarmingGroup4-6ChemicalfarmingGroup1-3UsefulsentencepatternsExpressyouropinions:Inmyopinion,____farmingispreferableto_____farming.Thereasonsareasfollows.Tobeginwith,_________.Inaddition,__________.What’smore,_________.Lastbutnotleast,________.Allinall,I’mfullyconvincedthat______________.PartⅣWritingWriteanessayshowingwhetheryousupportchemicalfarmingororganicfarming.Completetheoutlinefirst.(P57)OpinionRestatetheopinion3points*topicsentence*supportingdetailsWriting(8mins)Ex.:Tobeginwith,organicfarmingiseco-friendly.

Forinstance,organicfarmersusenaturalwastefromanimalsasfertilizer,whichisnotonlyharmlesstotheenvironment,butalsomakesoilricherinminerals.Supportingdetails:examples,benefits,reasons，contrast.....Whatwordsandexpressionshowthetransitionsbetweenid