working the land学案 (2)

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1、Unit2WorkingthelandPeriod4Usinglanguage:ExtensivereadingTeachingaims:I.Topics:ChemicalororganicfarmingII.Usefulwordsandexpressions:Chemical,production,bacteria,pest,nutrition,mineral,discovery,focus,soil,reduce,root,skim,underline,summary,comment,buildup,le

2、adto,focuson,keep...freefrom/ofIII.Abilityandemotion1.DevelopSs’readingskillsbyextensivereadingandenablethemtolearnhowtousedifferentreadingskillstoreaddifferentreadingmaterials.2.HaveSstellaboutmodernagricultureandorganicfarming.3.LetSshaveabetterunderstand

3、ingoforganicfarmingandpayattentiontothequalityoffoodweeat.Step1LeadinginAskSswhattheyknowaboutorganicfarming.Collecttheirideasontheblackboard.Step2SkimmingAskSstoskimthepassageandfindthemainideaofthispassageandeachparagraph.Paragraph&passageMainideaParagrap

4、h1Paragraph2Paragraph3Paragraph4PassageStep3Scanning1AskSstoscanthepassagetolocateparticularinformationandanswerthefollowingquestionsinExercise1anthenfillintheformaboutthemethodsandadvantagesinExercise2.MethodsoforganicfarmingAdvantagesofmethods1.Farmersuse

5、naturalwastefromanimal.Thismakesthesoilricherinmineralsandsomorefertile.Step4CarefulreadingAskSstoreadthepassagecarefullyandthenwriteasummaryofthepassagefollowingtheprocedureinExercise3.1).Whatisorganicfarming?2).Whatproblemsarecausedbyusingchemicalfertiliz

6、ers?3).Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?Step5RetellingNowpleaseretellthetextaccordingtothefollowingchart,youcandiscussingroups.Organicfarming1.Cropsgrowingwithnaturalfertilizers.2.Farmersprefernaturalwastefromanimals.①make...richera

7、ndmorefertile　　①leaving...isnotgood②reduce...andhelp...strong　　　②grow...yearafteryear③thefertilizerskill...andhealthy④keepfree...fromchemicalsStep6LanguagepointsTeacherexplainstheimportantwordsandexpressionsfromthereading.Trytouseasmanyexamplesaspossib

8、letoillustratethepoint.Afterillustration,teachercangivestudentssomeexercisetoconsolidatetheirunderstanding.LanguagePoints1.Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.很多农