chemical or organic farming 有機(jī)還是化學(xué)種植

ChemicalOrOrganicFarming?Reading2021/5/91Whatisthesubstanceweputonthesoilwhichmakescropsgrow?Itisfertilizer.2021/5/92

Howmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalones.2021/5/93Task1Skimming（3mins）Findoutthemainideaofthesefourparagraphs.2021/5/94Long-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.Problemscausedbychemicalfertilizers.P1.P2.Farmersandcustomersturntoorganicfarming.Othermethodstokeepthesoilfertile.

P3.P4.2021/5/95chemicalfertilizersWhyarechemicalfertilizerssopopularinfarmingtoday?Manyfarmerswelcomedthemasa

greatwaytostopcropdiseaseandincreaseproduction.Paragraph1Tips:theusageofseveraladverbsmeansclearandreasonableconnectionbetweenparts.Task1Scanning2021/5/96合成肥料Whatproblemscanbecausedbyusingchemicalfertilizers?Therearethreeproblems.First,theycandamage…aswellas….Theyalsostayinthe…and….Inaddition,…growtoofastto….

Tips:connectives（過(guò)渡詞）andtransitionalphrases（過(guò)渡詞）fordevelopmentfirst;second;finally;lastbutnotleast,etc.2021/5/971.Whatisorganicfarming?2.Whataretheadvantagesoforganicfarming?1.Organicfarmingmeansgrowingcropswithoutusinganychemicals.Haha,we'veturnedtoorganicfarming.Paragraph32021/5/982.

Whataretheadvantagesoforganicfarming?

Thefarmersfocusonkeepingtheirsoilrichandfreeofdiseaseandkeepingtheair,soil,waterandcropsfreefromchemicals.Paragraph32021/5/99Themethodstokeepthesoilfertileusingnaturalwastefromanimalsasfertilizer.changingthekindofcropineachfield.plantingcropstousedifferentlevelsofsoil.plantinggrassbetweencropstoprevent…

Thesamegoal:____________________________________________________________________________________________

togrowgoodfoodandtoavoiddamagingtheenvironmentorpeople’shealth.Paragraph3and412342021/5/910Focuson;leadto;problem;keep…freefrom;method;organic;chemical;causedamageto;buildup;discoveryInrecentdays,scientistshavediscoveredthatusingchemicalfertilizersforalongtimecan_________________thelandandalsopeople'shealth.Thereareseveral__________causedbychemicalfertilizers.Theydamagetheland,stayinthewaterforalongtimewhichcan___________inpeople’sFillintheblanksaccordingtothepassage.SummaryFocuson;leadto;problem;keep…freefrom;method;organic;chemical;causedamageto;buildup;discovery2021/5/911bodiesand____________manyillnesses.Withthese___________,________farmingisbecomingmorepopularwithsomefarmers.Theydon’tuseanychemicalsand_________keepingthesoilrich.Thisalso__________theairandcrops___________chemicals.Therearemanyorganicfarming_________formakingthelandhealthyandproductive.Allofthesemethodstrytoproducegoodfoodandtokeeptheenvironmentandpeople’shealth.2021/5/912MakeadialogueNowadaysorganicfoodisbecomepopularamongcustomers.Haveaconversationinpairs,withoneasthefarmerwhointendstosellorganicfruitandvegetablesandtheotherasthecustomer.Thefarmerispersuadingthecustomertobuyhisorher"greenfood".Practice2021/5/913Youneedto...

It'sapitythat...I'dprefer....because...

It'sbetterto...Thisisgoodvaluebecause...What'stheadvantageof...?IfIhaveachoiceI'llchoose...It'sagreatpitythat...Theadvantagesare...It'smoreexpensive