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Unit15We’retryingtosavethemanatees!SectionA（1a__2c）Teachinggoals:Languagegoals:1.Words:manatee,playful,aggressive,gray,spotted,cheetah,chimpanzee,kangaroo,mangrove,swamp,habitat,aquatic,feed,underwater,vegetation,weigh,pound,polluted2.Keysentences:Wearetryingtosavethemanatees.Manateeseatabout100poundsoffoodaday.Thereusedtobealotofmanatees.In1972,itwasdiscoveredthattheywereendangered.Abilitygoal:Enablethestudentstodescribeanimals.Emotion&attitudegoal:Enablethestudentstoprotectanimalsandenvironmentgladly.Strategygoal:Tounderstandthetargetlanguagebyreadingpictures.Cultureawarenessgoal:Theimportanceofprotectinganimalsandtheenvironment.Teachingimportantanddifficultpoints:1.Masterthekeywords:manatee,playful,aggressive,gray,spotted,cheetah,chimpanzee,kangaroo,mangrove,swamp,habitat,aquatic,feed,underwater,vegetation,weigh,pound,polluted2.Talkabouttheanimals.3.ReviewsomedifferenttensesandPassiveVoice.Teachingprocedures:Step1.RevisionandLead-inAskthestudentstoshowtheirwork.:T:Inthelastunit,we’velearnedtotalkaboutthethingsthatwehavedone.NowI’llaskyoutwoquestions:1.Haveyoueverbeentoazoo?2.Whatkindofanimalscanyouseeinit?(listfivekindsatleast)Theninvitetwostutentstopresenttheiranswers.Step2.Presentation1.Learnthenewwords.2.GetSstotalkaboutadjectivesfordescribingtheanimalsin1abylookingatthepictureandfillinginthechart.Thengetoneofthemtoshowhisorheranswer.Sampleanswers:Kangaroos:playful,fast,bigManatees:gentle,shy,enormousCheetahs:spotted,fast,aggressivePolarbears:aggressive,furry,fatElephants:enormous,gray,strongChimpanzees:noisy,furry,uglyStep3.Listening1.Listenandcirclethewordsin1athatVictorandGinnyusetodescribletheanimals.Thenchecktheanswers.2.GettheSstoreadthewordsin2athenlistenandmatchthemwithdefinitions.Listenagainandcompletethechart.Thenchecktheanswers.Step4.OralPractice1.AskthreeSstoactoutthedialoguein1c.2.AskSstodothegroupworkin1c.3.Thengetsomegroupstoactouttheirs.Step5Grammarreviewing1.AskastudenttoreadthesentencesintheboxinGrammarFocus.2.Helpthestudentssumupthefollowingpatterns.时态谓语动词的形式（do）一般现在时do/does现在进行时be(am/is/are)doingUseto+动词原型Usetodosth.现在完成时have/hasdone一般过去时被动语态was/weredoneStep6.SummaryInthisclass,we’veheardtwospokenconversations:inthefirstconversation,weheardaboutsomeadjectivesfordescribinganimals;inthesecond,weheardsomethingaboutmanatees.WealsoreviewsomedifferenttensesandPassiveVoice.Step7.Homework1.Learnthenewwordsbyheart.2.Makesomesentenceswithdifferenttenses.3.PreviewSectionA(3a_4).BlackboardDesignUnit15We’retryingtosavethemanatees!SectionA(1a__2c)Newwords:manatee,playful,aggressive,gray,spotted,cheetah,chimpanzee,kangaroo,mangrove,swamp,habitat,aquatic,feed,underwater,vegetation,weigh,pound,pollutedGrammar:时态谓语动词的形式（do）一般现在时do/does现在进行时be(am/is/are)doingUseto+动词原型usetodosth.现在完成时have/hasdone一般过去时被动语态was/weredone