Unit5Workingtheland:UsinglanguageCHEMICALVERSUSORGANICFARMINGIskeepingawayfromhungerisourultimategoal?chemical

chemical

pesticides

artificial

fertilizers

Chemicalfarmingisfarmingwith_________________especially_____________________and____________________whileorganicfarmingisfarmingwithout___________.chemicalsLearningobjectives:Bytheendofthisclass,studentswillbeableto:identifythestructureofthetextbyskimmingandscanning.figureouttheadvantagesanddisadvantagesofchemicalfarmingandorganicfarmingbyanalyzingthetext.writeanargumentativeessaythroughcriticalthinkingandcooperation.小標題Para1-2:chemicalfarming

Para3-4:organicfarmingPara5conclusion51-23-41.Whataretheadvantagesofchemicalfarming?part1(para1-2)

2.Whataretheadvantagesofchemicalfarming?Pre-reading:predictiontopic

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detail1detail2detail112Writingtips:TrytousethestructureGeneraltoSpecific.Wecanusethismethodtogiveageneralstatementfirst,andthenusespecificinformationtosupportthemainidea.Pre-reading:predictiontopic

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detail1detail2detail112Writingtips:trytouselinkingwordstomakeyourarticlelogical.1.Whataretheadvantagesoforganicfarming?2.Whatorganicmethodsdofarmersusetoproducerichsoil?part2(para3-4)

34part2(para3-4)

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5advantages:Fightcropdiseaseandincreaseproduction.disadvantages:1.Killnotonlyharmfulbacteriaandinsects,butalsohelpfulones.2.Chemiaclscanstayinthesoilandundergroundwatersourcesforalongtime.3.Cropsgrownwithchemicalsusuallygrowtoofasttoberichinnutrition.disadvantages:Organicfarmingisnowherenearabletomeettheneedforfood.vsAdvantages:advantages:1.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.2.Itmakesthesoilricherinminerals.3.Itkeepstheair,soil,water,andcropsfreeofchemicals.Doesthewriterdoagoodjobofexpressinghis/heropinion? Doeseachparagraphhaveonemainidea?Doeseachparagraphhaveatleastonedetailtosupportitsmainidea?Doesthewriterusethelinkingwords? Doesthewriterdoagoodjobpersuadingyoutoaccepthis/heropinion? Usethischecklisttohelpyouevaluateyourpartner'sdraft.Chemicalagricultureandorganicagricultureplayanimportantpartinmodernagriculture,aboutwhichIaminfavouroforganicfarming.Itisobviousthatusingchemicalfertilizershasmanydisadvantages.Thechemicalsstayinginsidethecropscanleadtocancerorotherillnesses.Besides,thecropsgrowsofastthattheycontainlittlenutrition.Organicfoodsarebecomingincreasinglypopularwithcustomers.Therearemanyreasonsforthis.Thefirstreasonisthataspeoplearericher,theyattachgreatimportancetohealth.Secondly,organicproducesimplyusesnaturalfertilizers,makingvegetablesandfruittastyandnutritive.Moreover,theproducegrowsincleanwaterandneveruses