workingtheland学案()

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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,leadto,focuson,keep...freefrom/of

2、III.Abilityandemotion1.DevelopSs’readingskillsbyextensivereadingandenablethemtolearnhowtousedifferentreadingskillstoreaddifferentreadingmaterials.2.HaveSstellaboutmodernagricultureandorganicfarming.3.LetSshaveabetterunderstandingoforganicfarmingandpayattentiontothequalityoffoodweeat.Step

3、1LeadinginAskSswhattheyknowaboutorganicfarming.Collecttheirideasontheblackboard.Step2SkimmingAskSstoskimthepassageandfindthemainideaofthispassageandeachparagraph.Paragraph&passageMainideaParagraph1Paragraph2Paragraph3Paragraph4PassageStep3Scanning1AskSstoscanthepassagetolocateparticulari

4、nformationandanswerthefollowingquestionsinExercise1anthenfillintheformaboutthemethodsandadvantagesinExercise2.MethodsoforganicfarmingAdvantagesofmethods1.Farmersusenaturalwastefromanimal.Thismakesthesoilricherinmineralsandsomorefertile.Step4CarefulreadingAskSstoreadthepassagecarefullyand

5、thenwriteasummaryofthepassagefollowingtheprocedureinExercise3.1).Whatisorganicfarming?2).Whatproblemsarecausedbyusingchemicalfertilizers?3).Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?Step5RetellingNowpleaseretellthetextaccordingtothefollowingchart,youcandiscussingroups.Organi

6、cfarming1.Cropsgrowingwithnaturalfertilizers.2.Farmersprefernaturalwastefromanimals.①make...richerandmorefertile　　①leaving...isnotgood②reduce...andhelp...strong　　　②grow...yearafteryear③thefertilizerskill...andhealthy④keepfree...fromchemicalsStep6LanguagepointsTeacherexplainstheim

7、portantwordsandexpressionsfromthereading.Trytouseasmanyexamplesaspossibletoillustratethepoint.Afterillustration,teachercangivestudentssomeexercisetoconsolidatetheirunderstanding.LanguagePoints1.Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.很多农