高中英语导学案与练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/ofIII.

2、Abilityandemotion1.DevelopSs’readingskillsbyextensivereadingandenablethemtolearnhowtousedifferentreadingskillstoreaddifferentreadingmaterials.2.HaveSstellaboutmodernagricultureandorganicfarming.3.LetSshaveabetterunderstandingoforganicfarmingandpayattentiontothequalityoffoodweeat.Step1Leading

3、inAskSswhattheyknowaboutorganicfarming.Collecttheirideasontheblackboard.Step2SkimmingAskSstoskimthepassageandfindthemainideaofthispassageandeachparagraph.Paragraph&passageMainideaParagraph1Paragraph2Paragraph3Paragraph4PassageStep3Scanning1AskSstoscanthepassagetolocateparticularinformationan

4、danswerthefollowingquestionsinExercise1anthenfillintheformaboutthemethodsandadvantagesinExercise2.MethodsoforganicfarmingAdvantagesofmethods1.Farmersusenaturalwastefromanimal.Thismakesthesoilricherinmineralsandsomorefertile.Step4CarefulreadingAskSstoreadthepassagecarefullyandthenwriteasummar

5、yofthepassagefollowingtheprocedureinExercise3.1).Whatisorganicfarming?2).Whatproblemsarecausedbyusingchemicalfertilizers?3).Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?Step5RetellingNowpleaseretellthetextaccordingtothefollowingchart,youcandiscussingroups.Organicfarming1.Cropsgrow

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

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