高中英语导学案与练习workingtheland学案_设计

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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,buildu

2、p,leadto,focuson,keep...freefrom/ofIII.Abilityandemotion1.DevelopSs’readingskillsbyextensivereadingandenablethemtolearnhowtousedifferentreadingskillstoreaddifferentreadingmaterials.2.HaveSstellaboutmodernagricultureandorganicfarming.3.LetSshaveabetterun

3、derstandingoforganicfarmingandpayattentiontothequalityoffoodweeat.Step1LeadinginAskSswhattheyknowaboutorganicfarming.Collecttheirideasontheblackboard.Step2SkimmingAskSstoskimthepassageandfindthemainideaofthispassageandeachparagraph.Paragraph&passageMain

4、ideaParagraph1Paragraph2Paragraph3Paragraph4PassageStep3Scanning1AskSstoscanthepassagetolocateparticularinformationandanswerthefollowingquestionsinExercise1anthenfillintheformaboutthemethodsandadvantagesinExercise2.MethodsoforganicfarmingAdvantagesofmet

5、hods1.Farmersusenaturalwastefromanimal.Thismakesthesoilricherinmineralsandsomorefertile.Step4CarefulreadingAskSstoreadthepassagecarefullyandthenwriteasummaryofthepassagefollowingtheprocedureinExercise3.1).Whatisorganicfarming?2).Whatproblemsarecausedbyu

6、singchemicalfertilizers?3).Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?Step5RetellingNowpleaseretellthetextaccordingtothefollowingchart,youcandiscussingroups.Organicfarming1.Cropsgrowingwithnaturalfertilizers.2.Farmersprefernaturalwastefrom

7、animals.①make...richerandmorefertile　　①leaving...isnotgood②reduce...andhelp...strong　　　②grow...yearafteryear③thefertilizerskill...andhealthy④keepfree...fromchemicalsStep6LanguagepointsTeacherexplainstheimportantwordsandexpressionsfromthereading.Tr

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