unit2usinglanguage.ppt

productionn._bacterian._pestn._nutritionn._mineraln._discoveryn._soiln._reducevt._rootn._,产量,细菌,害虫,营养,矿物,发现,土壤,减少,根,causedamagetoleadtobuildupkeepfreefromfocuson,对造成损害,导致,逐渐增强,使免受影响,集中（精力）于,Stir-friedtomatoesandeggs,Unit2UsinglanguagereadingChemicalororganicfarming?,diseases,production,bacteria,pests,inside,washedoff,buildup,leadto,nutrition,ReadingTaskIAboutchemicalfertilizer,Withthese_,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.They_onkeepingtheir_richandfreeofdisease.Ahealthysoil_diseaseandhelpscropsgrowstrongandhealthy.Organicfarmers,thereforeoftenpreferusing_wastefromanimalsasfertilizer.Theyfeelthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.Thisalso_theair,soil,waterandcrops_fromchemicals.,discoveries,focus,soil,reduces,natural,keeps,free,ListeningTaskAboutorganicfertilizer,_,_,_,_,_,_,_,_,WhichofthefollowingmethodsisNOTorganicfarming?Farmersoftenchangethekindofcropineachfieldeveryfewyears.Thefarmerisusingfertilizerstokeepthevegetablesfreefrompests.FarmersplantcropstousedifferentlevelsofsoilSomefarmerspreferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil.,B,ReadingTaskIIAboutorganicfertilizer,Chemicalororganicfarming?Why?,Speaking(Task1),Thefarmerissellinghis/hergreenfoodtothecustomer.Whataretheadvantagesof?Theadvantagesare?IdpreferbecauseIdontlikebecauseIdratherItsmoreexpensivebutnutritiousdelicioussafehealthenvironment,Speaking(Task2):Role-play,Dialogue:F=FarmerC=CustomerF:Goodafternoon!Wouldyoulikesome_?C:Whatistheadvantageof_？F:Theadvantageofthesevegetablesisthat_.C:Howmuchisit?F:_akilo.C:Butitsalittle_!Iwouldrathertobuysomecheaperones.F:Well,letmeexplain._.C:Ok.Iftheseorganicfood_,Iwillbuysome.,carrot,cucumber,pea,strawberry,pumpkin,eggplant,tomato,Brainstorming,environment,Organicfarming,moretrees,recycle(回收),nolittering(乱扔),Homework:WritingTaskSpeechOrganicFood,Withtheimprovementofpeopleslife,moreandmorepeoplechooseorganicfood,becauseorganicfoodisgrown_.Theadvantagesareasfollows:First,_.Second,_.Third,_.So