【課件】Unit+5Using+Reading+for+writing+課件人教版（2019）選擇性必修第一冊

Unit5workingthelandReadingforwriting1.chemical2.flavor3.fertilizer4.nutrition5.organic6.pesticide7.widespread8.bacterium9.inturn10.

digest11.essential12.mineral1、adj.化學(xué)的2、n.味道3、n.肥料4、n.營養(yǎng)5、adj.有機(jī)的6、n.殺蟲劑7、adj.普遍的8、n.細(xì)菌（bacteria）9、相應(yīng)地，依次10、v.消化；領(lǐng)會n.摘要11、adj.完全必要的；極其重要的12、n.礦物質(zhì)添加標(biāo)題添加標(biāo)題WarmupImaginenowyouareafarmerwhohasalotoffields.Oneday,youworkinthelandandfindtherearemanypestsandweedsamongthecrops.Whatwouldyoudo?添加標(biāo)題WarmupAnotherday,youfindyourcropsgrowingslowly,whatwouldyoudo?normallackofmineralsLead

inWhatmakesplantsgrowbetter?ChemicalfertilizersNaturalwastefrom

animals添加標(biāo)題CriticalthinkingWhatwillhappenifweoverusethepesticidesandchemicalfertilisers?PARTONEReadingtasksChemicalFarmingOrganicFarming

（體育，法律上）對抗；（比較兩種不同想法、選擇等）與…相對，與…相比化學(xué)耕作與有機(jī)耕作Versus添加標(biāo)題添加標(biāo)題While-reading1.Readthepassageandanswerthequestionsonpage56.2.Readthepassageagainandcompletethechartonpage56(oronworksheet).While-reading1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?2.Whatconcernsmanypeopleabouttheuseofpesticides?3.Whatisoneproblemwiththeuseofchemicalfertilisers?4.Howisorganicfarmingdifferentfromchemicalfarming?5.Whydoorganicfarmerschangethekindofcropgrowninafieldeveryyear?6.Whatisthegoalofusingorganicfarmingmethods?Doyouthinkitcanbereached?Whyorwhynot?Becausetheyseeitasagreatwaytofightcropdiseaseandincreaseproduction.Itharmsthelandandpeople'shealth.Killingbothgoodandbadbacteriaandinsects.Itdoesn'tuseanychemicals.Toproducerichsoil.Togrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople'shealth.添加標(biāo)題添加標(biāo)題While-readingDACBbacteriaandinsectsprohibiteddamagetheycausegrowtoofastnutritionnaturalwastefromanimalschangethekindofcropeveryyeardifferentdepthsdemandforfoodaroundtheworldPARTTWOWritingtasksFarmingadvantagedisadvantagechemicalfarmingorganicfarming

Listtheadvantagesanddisadvantagesofeachfarming1.fightcropdiseaseeffectively2.increaseproduction1.keepthesoilrich2.keeptheenvironment

andcropsfreeofchemicals3.producecropswithmuchnutritionandflavor1.harmtheenvironmentandhealth2.producecropswithlessnutritionandflavor1.producefoodwithlowoutput

...Summarize______________________________________(化學(xué)農(nóng)藥和人工肥料)havebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwayto_________________________________________(抵御作物病害、增加產(chǎn)量).Overtime,however,whatsomescientistshavefoundisthat_______________________________________________________________(長期使用它們有時(shí)會危害土地和人類健康).Chemicalpesticidesandartificialfertilizersdiseaseandincreaseproductiontheirlong-termusecansometimesharmboththelandandpeople’shealthPara1fightcropReadforusefulexpressionsForexample,pesticidescandamagethelandby_____________________________________________________(殺死有害細(xì)菌和昆蟲的同時(shí)，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,butalsohelpfulonescancer_________________(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.AsanalternativeorganicfarmingorganicfoodwithoutusinganykeepingtheirsoilrichandfreeofdiseasethroughnaturalmeansmakesthesoilintheirfieldsricherinmineralsPara3chemicalsOrganicfarmersalsousemanyothermethodstoproducerichsoil.Theyoften_____________________________________________(每年更換每塊農(nóng)田種植的作物種類).Forinstance,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.Organicfarmersalso______________________________________________(種植土壤深度要求不同的多樣化作物)tohelpkeepitrich.Forexample,peanutsgrowontheground’ssurface,butmanyothervegetablesputdowndeeproots.Thegoalofusingdifferentorganicfarmingmethodsisto_______________________________________________________________(生產(chǎn)優(yōu)質(zhì)食物，同時(shí)避免損害環(huán)境和人類健康).changethekindofcropgrownineachfieldeveryyearplantdiversecropsthatusedifferentgrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople’shealth.Para4depthsofsoilSomepeoplewouldprefertostoptheuseofman-madechemicalsinagricultureentirely.

Whatkeepsthemfromdoingsoisthefactthatchemicalfarming____________________________________________(滿足了全世界對事物的高要求).

Organicfarmingisnowherenearabletomeetthatneed.Therefore,___________________________________________________________________________________________________________________________________________________(想要找到一個合適的解決方案，使人類和環(huán)境盡可能保持健康，又讓人們有足夠的食物可吃，還有很長的路要走).servesthehighdemandforfoodaroundtheworldsuitablesolutionthatputssufficientfoodonthedinnertablewhilekeepingpeopleandtheenvironmentashealthyaspossible.Para5thereisstillalongwaytofindaReadfortraditionalwordsChemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Overtime,①_________,whatsomescientistshavefoundisthattheirlong-termusecansometimesharm③________theland______people’shealth.②____________,pesticidescandamagethelandbykilling③________harmfulbacteriaandinsects,___________helpfulones.③___________,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigestthem.howeverbothandForexamplenotonlybutalsoInadditionManypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.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,asanalternativetransitionalwords

contrast對比

illustrate解釋add補(bǔ)充causeandeffect因果introduceanew

topic添加標(biāo)題Writeyourownessay我們班關(guān)于有機(jī)農(nóng)業(yè)和化學(xué)農(nóng)業(yè)舉行了一場辯論，請結(jié)合討論的結(jié)果，寫一篇支持有機(jī)農(nóng)業(yè)的英語作文，內(nèi)容包括：1.化學(xué)農(nóng)業(yè)的危害2.有機(jī)農(nóng)業(yè)的優(yōu)點(diǎn)及理由3.做出總結(jié)注意：1.寫作詞數(shù)應(yīng)為80左右

2.可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。添加標(biāo)題LearningforthestructureargumentativeessayIntroductionBodyopinions+supportingdetailsEndingLearningforthelanguage1.最近我們討論了要不要發(fā)展有機(jī)農(nóng)業(yè)?？捶ㄒ蛉硕悺７捶接^點(diǎn)及理由2.很明顯，使用化肥有很多缺點(diǎn)。Itisobviousthatusingchemicalfertilisers_________________________.3.最重要的是，留在作物內(nèi)部的化學(xué)物質(zhì)會導(dǎo)致癌癥或其他疾病。Aboveall,thechemicalsstayinginsidethecrops_______