Unit15Wearetryingtosavethemanatees!Languagegoals:Inthisunitstudentslearntodebateanissue.Newlanguages:We’retryingtosavethemanatees.Manateeseatabout100poundsoffoodaday.Thereusedtobealotofmanatees.In1972,itwasdiscoveredthattheywereendangered.Someoftheswampshavebecomepolluted.Difficultpoints:1.Describetheanimalscorrectly.2.HowtousethePresentProgressive,PresentSimple,“Usedto”+infinitive,PassiveVoiceandPresentPerfect.3.Howtoimprovethestudents’writingabilityaccordingtothereadingmaterials.Teachingaids:computer,video,recorderTeachingperiods:Period1:SectionA1a/1b/1c/2a/2b/2c/GrammarFocusPeriod2:/SectionA3a/3b/4Period3:SectionB1a/1b/2a/2b/2cPeriod4:SectionB3a/3b/3c/4/SelfcheckPeriod1Teachingaims:1.Teachkeyvocabulary.2.Targetlanguages:IamlikethisanimalbecauseIamstrongandintelligent.Ilikewater,andIliketoeatvegetables.You’relikeanelephant.No.You’relikeamanatee.Yes.3.Trainthespeakingandlisteningabilities.4.Trainstudents’communicativecompetence.Teachingprocedures:Step1.RevisionAskstudentstoreviewfivedifferentverbtensesandnamethefivetenses.Askthemtolookatthescreen.Showthenamesofthefivetensesonthescreenbyaprojectoralongwithasamplesentenceforeach.presentprogressive:We’restudyingEnglish.present:Iwalktoschooleveryday.pastwithusedto:Iusedtoplaythepiano.passivevoice:Teawasinventedbyaccident.presentperfect:Wehavealreadyfinishedourhomework.Getastudenttoreadtheverbsinthesesentences.Thengetotherstudentstobrieflyexplainwhateachtenseisusedfor.Getstudentstothinkoftwoorthreemoresamplesentencesusingeachtypeofverb.Haveseveralstudentsreadtheirsentences.Step2.SectionA1aThisactivityintroducesthekeyvocabulary.Askstudentstolookatthesignsoneachanimal’spicture.Getoneortwostudentstotheclass.Andreadthewordstotheclass.Getstudentstorepeatthenameofeachanimal.Readthedirectionstotheclass.Pointtothelistofwordsinthebox.Readthewordsandletstudentsrepeatthem.Thengetdifferentstudentstoexplainwhattheythinkeachwordmeansintheirownwords.Forexample:Agentleanimalisquietandnotdangerous.Afuryanimaliscoveredwithsofthair.Asksomestudentstoexplainanywordsstudentsdon’tunderstand.Havestudentsfillintheanswersontheirown.Astheywork,walkaroundtheclassroomcheckingtheirprogressandansweringanyquestionstheymayhave.Afterstudentshavefinishedusingallthewordsfromthebox,letthestudentswritesomeotherwordsintheblanksbelowsomeofthepictures.Checktheanswerswiththewholeclass.Step3.SectionA1bThisactivitygivesstudentspracticeinunderstandingthetargetlanguageinspokenconversation.Gothroughtheinstructionswiththeclass.ReadthelistofwordsinActivity1a.Say:YouwillhearGinnyandVictortalkabouttheanimalsinthepictureinActivity1a.Nowpleaselistentotherecordingcarefullyandcirclethewordsonthelistthattheyusetodescribetheanimals.Playtherecordingthefirsttime,studentsonlylisten.Thenplaytherecordingasecondtime.Thistimeaskstudentstocirclethewordstheyhearontherecording.Checktheanswers.Step4.SectionA1cGroupworkThisactivityprovidesoralpracticeusingthetargetlanguage.Gothroughtheinstructionswiththewholeclass.Havestudentslookatthesampleconversationintheboxandgetthreestudentstoreaditaloudtotheclass.Tellstudentstothinkofananimalthatisthesameastheminsomeways.Askstudentstotakeafewminutestowritedownastatement.Say:Youcanwriteasentenceortwothatdescribeshowyouaresimilartotheanimalyouchoose.Don’tsaythenameoftheanimal.Afewminuteslater,letstudentreadtheirstatementstotheclassandseehowqu...