Book4Unit2WorkingthelandReadingandSpeakingChemicalorOrganicFarming?云南省昆明市第三中学英语组孙瑾上课年级：高二Whichtomatoesdoyouprefer?Lead-in5yuan/kg30yuan/kgNormaltomatoesOrganictomatoesChemicalorOrganicFarming?Task1:Skimming1Skimthepassage.Findandunderlinethetopicsentenceofeachparagraph.Para.1:Para.2:Para.3:Para.4:Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandand,evenmoredangerous,topeople’shealth.Whataresomeoftheproblemscausedbychemicalfertilizers?Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmersalsousemanyothermethodstokeepthesoilfertile.ChemicalorOrganicFarming?VSChemicalFarming:Para.________OrganicFarming:Para.________3-41-2Task2:Skimming2Task3:Scanning11.Whyarechemicalfertilizerssopopularinfarming?Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.2.Whatproblemsarecausedbychemicalfertilizers?(Para1–2)ChemicalsChemicalsDamagetheland.Stayinthewater.Affectcrops,animalsandhumans.Damagethepeople’shealth.buildupMakethefoodshortofnutrition.Problemscausedbychemicalfertilizers.Task4:Scanning21.Whatisorganicfarming?2.Whatisthegoalofusingorganicfarmingmethods?Togrowgoodfoodandavoiddamagingtheenvironmentorpeople’shealth.Organicfarmingissimplyfarmingwithoutusinganychemicals.(Para3–4)Task5:DetailedReadingMethodsAdvantagesFarmersusenaturalwastefromanimals.Thismakesthesoilricherinmineralsandsomorefertile.Organicfarming……GroupdiscussionPost-readingOurpresentfoodsystemistoochemicalbutlessorganic.Howtoimprovethisembarrassingsituationtomakesurewhatweeatissafeandmakeourfoodsystemmoreorganicandlesschemical?•Thegovernment•Thefarmers•Thescientists•We…Let’ssupportorganicfarming!LeadahealthierlifeandgainLUCK!esschemicalfertilizers!senaturalwaste!areabouttheenvironment!indtoourselves!Homework1.SurftheInternettolookformoreinformationaboutorganicfarming.2.Trytomakeaposteraboutorganicfarmingtoletmorepeoplegettoknowaboutitandsupportit!
