Unit5 Using Language2 名师课件-许丽君.pptx

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Unit5 Using Language2 名师课件-许丽君.pptx

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Unit5WorkingtheLandUsingLanguage(2)ChemicalVersusOrganicFarming杭州二中许丽君

Learningobjectives1.knowthedifferencebetweenchemicalfarmingandorganicfarming.2.workoutthecontent,structureandlanguagefeaturesofthetext;3.knowthewritingskillsofanargumentativeessay,suchasillustrating,givingexamplesormakingcontrast;4.writeyouropinioninanessayaboutchemicalfarmingororganicfarming.Bytheendofthisperiod,studentswillbeableto…

organicfarmingchemicalfarmingorganicfarmingorganicfarmingchemicalfarmingorganicfarmingMakeajudgement:whichischemicalfarmingandwhichisorganicfarming.Pre-reading

Itisfertilizer.Whatisthesubstanceweputonthesoiltomakecropsgrow?Whatkindoffertilizersdofarmersuse?chemicalfertilizersnaturalfertilizersPre-readingNaturalwastefromanimalsanddeadplants

What’retheadvantagesoforganicfarming?Doyouusuallyeatorganicfood?Doyouthinkorganicfoodaremorehealthy?Whatarethedisadvantagesofusingchemicalfertilizers?OrganicFarmingThink＆discussPre-reading:

Pre-reading:predictionCHEMICALVERSUSORGANICFARMINGReadthetext,checkyourpredictionandanswerthequestions:Whatischemicalfarming?Whatisorganicfarming?

Task1整体理解?while-reading:

A.WhatorganicfarmingisB.Whyman-madechemicalarestillusedinfarmingC.OrganicmethodsforproducingrichsoilD.TheproblemswithchemicalfarmingPara.1-2Para.3Para.4Para.5ReadthetextandthenMatchthemainideawitheachparagraph.ChemicalfarmingOrganicfarmingThinkingwhile-reading:

ChemicalfarmingVsOrganicfarmingChemicalfarmingorganicfarmingadvantagedisadvantagesadvantagesdisadvantageMychoice/attitudewhile-reading:

1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?Advantages:Manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.while-reading:(Para