Chemical or Organic Farming.ppt

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1、LookatthetwopicturesbelowABWhichkindwouldyouliketoeat,AorB?pestHealthyChemicalsNochemicalsWhat'sthis?naturalwastefromanimalsrichinvitaminsandmineralsIsthereanyotherfertilizerusedbyfarmers?1.Doesitgoodforthesoil?2.Willitdamagetheland?chemicalfertilizersWhat'stheorganicfood?Uni

2、t2ChemicalorOrganicFarming？化学耕作还是有机耕作P1.P2.P3.P4.ListentothetapeLong-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.Othermethodstokeepthesoilfertile.Farmersandcustomersturntoorganicfarming.Problemscausedbychemicalfertilizers.Paragraph1(Fillintheblanks)Ov

3、erthepast,manyfarmerswelcomed__________asagreatwaytostop______________andincreaseproduction.Recently,farmersrealisesthatlong-termuseofthesefertilizerscan_______________tothelandand,evenmore,topeople's______.halfcenturychemicalfertilizerscropdiseasecausedamagedangeroushealthPa

4、ragraph2(TorF)1chemicalfertilizersdamagethelandbykillingthehelpfulbacteriaandpests.()2Chemicalswillstayinthegroundandundergroundwaterforalongtime.()TT3chemicalscanonlyleadtoacold,butnotcancer.()4Foodgrownwithchemicalfertilizersisusuallyfullofvitaminsandminerals.()FFoodgrownwi

5、thchemicalfertilizersisusuallymorewaterthanvitaminsandminerals.Fchemicalscanleadtocancerorotherillnesses.Paragraph3Findouttheadvantagesoforganicfoods?withoutusingany________freeof__________grownwithhealthy______grown______andhealthyusethenatural___________chemicalsdiseasesoil

6、strongfertilizerParagraph4（Findtheanswers）1Accordingtothetext,growingcornorwheatthisyear,thenyoushouldgrow_____or_________nextyear.2Whydoesorganicfarmerpreferplantinggrassbetweencrops?3Thesamegoalofmanyorganicfarmingmethodsisto_____.What'stheorganicfood?Withoutusingany_______

7、__1.Doeschemicalgoodforthesoil?Willitdamagetheland?chemicalsDoyouwanttobeahostofanorganicfarm?Ifyouare,youwanttogrowwhichkindoffoods.What'smoreimportant---Howtoencouragemorepeopletobuyyourfood?imagine发挥你的想象力ApostermayhelpyouMainheadingSellwhat?Whychoose?EncouragepeoplenumberA

8、llnaturaleggsfromhealthyhensNohensfat.Nohormonesusedfresheggispartof