Unit 5 Reading for Writing 課件【高效課堂+備課精研】 高中英語人教版(2019)選擇性必修第一冊_第1頁
Unit 5 Reading for Writing 課件【高效課堂+備課精研】 高中英語人教版(2019)選擇性必修第一冊_第2頁
Unit 5 Reading for Writing 課件【高效課堂+備課精研】 高中英語人教版(2019)選擇性必修第一冊_第3頁
Unit 5 Reading for Writing 課件【高效課堂+備課精研】 高中英語人教版(2019)選擇性必修第一冊_第4頁
Unit 5 Reading for Writing 課件【高效課堂+備課精研】 高中英語人教版(2019)選擇性必修第一冊_第5頁
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Unit5WorkingtheLandEvaluatechemicalfarmingandorganicfarmingReadingforWritingTounderstandthedifferencesbetweenchemicalandorganicfarmingandtheiradvantagesanddisadvantages;Tolearnaboutthestructureofargumentativeessay;Towriteanessaytoexpressyourviewsonchemicalfarmingororganicfarming.LearningObjectiveStep1

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inWhatmakesplantsgrowbetter?ChemicalfertilizersNaturalwastefromanimalsdocerID:4610637Toprotectthecrops,farmershavetokillofftheharmfulpests.Farmerswillusepesticidestokillpestsorinsects.ChemicalFarmingStep1

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inOrganicFarmingOrganicfarmingissimplyfarmingwithoutusinganychemicals.Step1

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inWhichtomatoesdoyouprefer?5yuan/kg30yuan/kgNormaltomatoesOrganictomatoesStep1

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inChemicalFarmingVersusOrganicFarmingStep2

ReadingReadforstuctureSkimthepassageandmatchthemainideas(A-D)withtheparagraphs.AWhatorganicfarmingisBWhyman-madechemicalarestillusedinfarmingCOrganicmethodsforproducingrichsoilDTheproblemswithchemicalfarmingPara1-2Para3Para4Para51.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?2.Whatconcernsmanypeopleabouttheuseofpesticides?3.Whatisoneproblemwiththeuseofchemicalfertilisers?4.Howisorganicfarmingdifferentfromchemicalfarming?5.Whydoorganicfarmerschangethekindofcropgrowninafieldeveryyear??6.What'sthegoalofusingorganicfarmingmethods?Doyouthinkitcanbereached?Whyorwhynot?Readforinformation1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?

Manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Advantage:2.Whatconcernsmanypeopleabouttheuseofpesticides?

Theirlong-termusecansometimesharmboththelandandpeople’shealth.Disadvantages:3.Whatisoneproblemwiththeuseofchemicalfertilisers?

Cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.Disadvantage:4.Howisorganicfarmingdifferentfromchemicalfarming?

Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.5.Whydoorganicfarmerschangethekindofcropgrowninafieldeveryyear?Differentcropsaregrownbecausetheyputimportantmineralsbackintotheground,makingitreadyfornextbatchofcrops.6.What'sthegoalofusingorganicfarmingmethods?Doyouthinkitcanbereached?(Para4)

Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople'shealth.Advantage:FarmingBenefit

ProblemSolutionChemicalfarming

OrganicfarmingTheauthoruses“Benefits—Problems—Solutions”tointroducechemicalfarmingandorganicfarming.Finishthetableaccordingtothepassage.fightcropdiseaseandincreaseproductionsometimesharmboththelandandpeople’shealthswitchtoorganicfarmingmakethesoilrich;keeptheair,soil,waterandcropsfreeofchemicalscannotmeettheneedstillalongwaytofindasuitablesolutionStep3

WritingWriteanargumentativeessaygivingyouropiniononchemicalororganicfarming.發(fā)表議論就是通過議論或說理來表達作者的見解和主張,作者對某一問題持有一種看法,為了使讀者同意自己的看法,提出若干理由,試圖說服別人。發(fā)表議論時,我們要注意三個要素:論點、論據(jù)、論證。該類文章一般分為三部分:第一部分:開門見山,說明

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