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welcomeUsinglanguageIfyouarealandowner,youwanttogrowsomekindsofcrops,whatwillyoudo?First,buyorselecttheseedsfromthestore.Second,weneedtoplow(犁田)orturnoverthesoilThird,wesow(播种)theseedsinthesoil.Finally,wecanharvestourgrain/sorghum/peanuts.fertilizerFertilizethesoilToimprovetheoutputofthecropsHowmanykindsoffertilizersdofarmersuse?fertilizerchemicalfertilizersNaturalfertilizersTherearetwokinds.Theyarechemicalfertilizersandnaturalones.chemicalfertilizersnaturalfertilizersChemicalfarmingorganicfarmingReadingChemicalOrOrganicFarming?Task1Skimming(3mins)Findoutthemainideaofthesefourparagraphs.P1.P2.P3.P4.Othermethodstokeepthesoilfertile.Farmersandcustomersturntoorganicfarming.ProblemscausedbychemicalfertilizersLong-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.Paragraph1Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.ChemicalfertilizersTask2ScanningWhyarechemicalfertilizerssopopularinfarmingtoday?Whatproblemscanbecausedbyusingchemicalfertilizers?Therearethreeproblems.First,theycandamage…aswellas…Theyalsostayinthe…and…Inaddition,…growtoofastto…Tips:connectives(连接词)andtransitionalphrases(过渡词)fordevelopmentFirst；second；finally；lastbutnotleast,ect.Paragraph2Paragraph31.Whatisorganicfarming?1.Organicfarmingmeansgrowingcropswithoutusinganychemicals.2.Whataretheadvantagesoforganicfarming?paragraph32.Whataretheadvantagesoforganicfarming?Thefarmerskeepingtheirsoilrichandfreeofdiseaseandtheair,soil,waterandcrops______chemicals.focusonkeepingfreefromParagraph3and4Themethodstokeepthesoilfertile1.Usingnaturalwastefromanimalsasfertilizer.2.Changingthekindofcropineachfield.3.Plantingcropstousedifferentlevelsofsoil.4.Plantinggrassbetweencropstoprevent…togrowgoodfoodandtoavoiddamagingtheenvironmentorpeople’shealth.Thesamegoal:SummaryFillintheblanksaccordingtothepassage.Inrecentdays,scientistshavediscoveredthatusingfertilizersforalongtimecanhurtthelandandalsopeople’s________.Thereareseveral_______causedbychemicalfertilizers.Theyhurtthehealthoftheland,_______inthewaterforalongtimeandgetintopeople’s________throughtheirfood.bodieschemicalhealthproblemsstayfarmingisbecomingmorepopularwithsomefarmersandmany__________afterthesediscoveriescameout.Organicfarmingdoesnotuseanychemicals.Therearemanyorganicfarming________formakingthelandhealthyandproductive.Allofthesemethodstrytoproducegoodfoodandtokeepthe___________andpeople______OrganiccustomersmethodsenvironmenthealthyConsoildationThestructureofthispassageTopic(Presentsituation)ProblemsAdvantagesMethods(conclusion)Thetypeofthearticleisexposion(说明文)Writing&Homwork请以“PlasticorClothBags?”为题模仿这篇文章的篇章结构和句子结构去写一篇说明文