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

UsinglanguageReadingforwriting1.Weareabletoknowthemeaningsofchemicalfarmingandorganicfarming.2.Weareabletoknowtheadvantagesanddisadvantagesofbothchemicalfarmingandorganicfarming.3.Wearerequiredtoexpressouropinionsonchemicalfarmingandorganicfarming,andwriteanargumentativeessay.Learningobjectives學習目標1’1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?2.Whatconcernsmanypeopleabouttheuseofpesticides?3.Whatisoneproblemwiththeuseofchemicalfertilisers?4.Howisorganicfarmingdifferentfromchemicalfarming?5.Whataretheorganicmethodsmentionedinthetext?6.What'sthegoalofusingorganicfarmingmethods?問題導學6’Itisfertilizer.

Whatisthesubstanceweputonthesoiltomakecropsgrow?Pre-readingWhatkindoffertilizersdofarmersuse?chemicalfertilizersnaturalfertilizersChemicalfarming

farmingusingchemicalpesticidesandartificialfertilisers.Organicfarming

simplyfarmingwithoutusinganychemicals.ChemicalVersusOrganicFarmingAWhatorganicfarmingisBWhyman-madechamicalarestillusedinfarmingCOrganicmethodsforproducingrichsoilDTheproblemswithchemicalfarminngPara1-2:()Para3:()Para5:()Para4:()ReadforstuctureDACB點撥精講25’paragraphMainideaDetail1-2Dbacteriaandinsectsprohibiteddamagetheycausegrowtoofastnutrition3Anaturalwastefromanimals4Cchangethekindofcrops/everyyeardifferentdepths5BdemandforfoodaroundtheworldDTheproblemswithchemicalfarminng

Para1-2AWhatorganic

farmingisPara3COrganicmethodsforproducingrichsoilPara4BWhyman-madechamicalarestillusedinfarmingPara5ChemicalfarmingOrganicfarmingThinkingPara1:howeverPara2:forexample,inaddition,inturn,infact,asfor,but,and,aswellReadfortransitionalwords&phrasesPara3:asanalternative,forexample,alsoPara4:also,forinstance,forexample,butPara5:thereforeargumentativewriting1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?(Para1)2.Whatconcernsmanypeopleabouttheuseofpesticides?(Para1)3.Whatisoneproblemwiththeuseofchemicalfertilisers?(Para2)4.Howisorganicfarmingdifferentfromchemicalfarming?(Para3)5.Whataretheorganicmethodsmentionedinthetext?(Para3-4)6.What'sthegoalofusingorganicfarmingmethods?（Para4）ReadforinformationChemicalfarming

Para1-21.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?(Para1)

Advantages:Manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.2.Whatconcernsmanypeopleabouttheuseofpesticides?(Para1)

Disadvantages:Theirlong-termusecansometimesharmboththelandandpeople’shealth.3.Whatisoneproblemwiththeuseofchemicalfertilisers?(Para2)

Disadvantages:Cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.OrganicfarmingPara3-44.Howisorganicfarmingdifferentfromchemicalfarming?(Para3)

Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.5.Whataretheorganicmethodsmentionedinthetext?(Para3&4)

1.usenaturalwastefromanimalsasfertilizer.2.changethekindofcropgrownineachfieldeveryyear.3.plantdiversecropsthatusedifferentdepthofsoiltokeepitrich.6.What'sthegoalofusingorganicfarmingmethods?（Para4）

Advantages:Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople'shealth.chemicalfarmingThinkingorganicfarmingadvantagesdisadvantagesfightcropdiseaseincreaseproductionlowercostcropslookbeautifuloutside......goodfoodavoidingdamagetotheenvironmentortopeople'shealth......harmthelandharmpeople’shealthharmtheenvironmentcropsarelessinnutrition......cannotmeetthedemandforfoodmoreeffortsandhighercostsmellygases......meupwiththreemainpointstosupportyouropinion,andthenaddatleastonedetailtosupporteachmainpoint.WritingTopicsentence:

Inmyopinion,___farmingispreferableto__farmingbecause______.Point1:________________Detail:_________________Point2:________________Detail:_________________Point3:

________________Detail:__________________Conclusion:__________________________________________

chemicalfarmingVSorganicfarmingexpressyouropinions:Inmyopinion,....AsfarasI’mconcerned,....Frommypointofview,…I’minfavourof....I’magainst/opposedto…Ifirmlybelievethat…makeaconclusion:Inshort,....Inaword,…Allinall,…Inconclusion,....Tosumup,…課堂小結(jié)1’【寫作任務(wù)】關(guān)于有機農(nóng)業(yè)和化學農(nóng)業(yè)，你們班舉行了一場辯論。請結(jié)合你們的討論結(jié)果，寫一篇支持有機農(nóng)業(yè)的英語作文，詞數(shù)不低于80。注意要點：

1．化學農(nóng)業(yè)的危害；

2．有機農(nóng)業(yè)的優(yōu)點；

3．討論的結(jié)果和大家的期待；

4．發(fā)表自己的觀點?！?qū)懽鞣独斕脵z測15’【寫作指導】主題支持有機農(nóng)業(yè)體裁議論文人稱第一、三人稱為主時態(tài)一般現(xiàn)在時布局第一段：介紹農(nóng)業(yè)概況；第二段：分層次介紹化學農(nóng)業(yè)和有機農(nóng)業(yè)的區(qū)別；第三段：總結(jié)觀點，提出建議

Onepossibleversion：Intermsofthedevelopmentofmodernagriculture,chemicalagricultureandorgan