资源描述：
《chemical or organic farming 教案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、ChemicalorOrganicFarming?(Reading)Teachingaims:1．Developstudentsreadingskillsbyskimmingformainideasandscanningfordetails.2．Havestudentslearnandtalkaboutdisadvantagesofchemicalfarmingandadvantagesoforganicfarming.3．Mastersomekeywordsandphrases:chemical,organ
2、ic,buildup,leadto,keep…freefrom,focuson,production,causedamageto.Importantanddifferentteachingpoints:1.Enablestudentstolearntousestrategiessuchasskimming,scanning,andsoontodotheirreading.2.Tounderstandthemainideasbygraspingsomeimportantinformation.Teachinga
3、ids:Amultimediaproject,colourchalks,text,workbook.Teachingprocedure:StepⅠ.Leadin1.Selfintroduction:Goodmorning,students,mynameisLiOu,youcancallmeMrs.LiorTeacherLi.Hopewecanhaveagoodtimeinthisclass.Today,wearegoingtolearnmoreaboutunit2–workingtheland.2.Askst
4、udent:①DoyouplayQQfarming?Doyouknowhowtoplayit?Answers:First,weneedtobuyorselecttheseedsfromthestore.Second,weneedtoploworturnoverthesoil.Third,wesowtheseedsinthesoil.Finally,wecanharvestourgrain.②Inordertoincreaseproductionofthecrops,weneedtowaterthecrop,r
5、idthesoiloftheweed,andkilloffthepest.Tips:increaseproduction–reduceproduction–unproductiveT:Sometimes,wealsousethisonetofertilizethesoil.Whatisit?S:Itisfertilizer.T:Howmanykindsoffertilizersdoyouknow?S:Therearetwokinds.Theyarechemical＆naturalfertilizers.Ste
6、pⅡ.PresentationItischemicalfarmingbyusingchemicalfertilizersanditisorganicfarmingbyusingnaturalfertilizers.Whichoneisbetter,chemicalororganicfarming?Todaywe’llknowitafterlearningthereading,openthebookandturntopage14.StepⅢ.Reading1.SkimmingSkimtofindthemaini
7、deaforeachparagraph.Para1.EffectsofchemicalfertilizerPara2.Problemscausedbychemicalfertilizers.Para3.Farmersandcustomersturntoorganicfarming.Para4.Othermethodstokeepthesoilfertile.2.Scanning1.Whyarechemicalfertilizerssopopularinfarmingtoday?B(Para1)A.Becaus
8、etheyareexpensive.B.Theyareagreatwaytostopcropdiseaseandincreaseproduction.C.Theycancausedamagetotheland.D.Theyarebenefitforpeople’shealth.2.Whatproblemscanbecausebyusingchemicalfertilizers?(Para2)Answ
