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1、Using Language(1)Get to know about whales and other sea animals新人教版选择性必修四Unit 3ContentsContents：Lead-inLead-inListeningpracticeListeningpracticeSpeakingprojectSpeakingprojectPart.01Lead-inLead-inLetsgettoknowabeautifulcreatureLetsgettoknowabeautifulcreatureWW h h a a l l e e s sWhalesareunique,beaut
2、iful,gracefulandmysteriousanimals.Whalesaremammalsjustlikeweare.Justlikeus,theybreatheair,arewarm-blooded,givebirthtoliveyoung,andfeedtheiryoungmilk.WhalesWhalesWhalescanbedividedintotwogroups：Baleenwhales(须鲸类)andToothedwhales(齿鲸类).Baleenwhalesareknownfortheiroveralllargersize.Thereare15speciesofbal
3、eenwhales.Toothedwhalesaccountformostspeciesfromthemassivespermwhaletobeakedwhales.However,anestimatedminimumof300,000whalesanddolphinsarekilledeachyearandsixoutofthe13greatwhalespeciesareclassifiedasendangeredorvulnerable,evenafterdecadesofprotection.VideoTime:VideoTime:WhaleWhalewatchingwatchingPa
4、rt.02ListeningpracticeListeningpractice1.Listen1.Listentotheheadresearchertalkingtothecampersattotheheadresearchertalkingtothecampersattheendoftheday.Whatthreethingswerethecamperstheendoftheday.Whatthreethingswerethecampersaskedtoaskedtodo?do?1._1._2._2._ 3._3._tofindoutsomefactsforawhaleprofiletofi
5、ndoutsomefactsforawhaleprofiletothinkaboutwhytheydowhaleresearchtothinkaboutwhytheydowhaleresearchtogooutwithandwriteareportoftheworktogooutwithandwriteareportoftheworktheydotheydo2.ListentoLuke2.ListentoLuke spartoftheconversationagain.Numberspartoftheconversationagain.Numberthefollowingsentencesin
6、thecorrectorder.thefollowingsentencesinthecorrectorder.AfterAfterthat,wegavethegroupofwhalesaname,andeachmemberathat,wegavethegroupofwhalesaname,andeachmemberanumber.number.TheyTheywillbeaddedtothedirectorysowecanidentifytheminthewillbeaddedtothedirectorysowecanidentifytheminthefuture.future.MostMos
7、twhaleshaveslightlydifferentfinsandmarks,whichcanhelpuswhaleshaveslightlydifferentfinsandmarks,whichcanhelpustotellthemaparttotellthemapart.Meanwhile,wealsonotedtheirlocation,sowecantracktheirMeanwhile,wealsonotedtheirlocation,sowecantracktheirmovementsandplottheirmigrationpath.movementsandplottheir
8、migrationpath.Thenwetookpicturesoftheirfins.Thenwetookpicturesoftheirfins.Finally,wecontactedotherwhaleresearchgroupsaroundtheworldtoFinally,wecontactedotherwhaleresearchgroupsaroundtheworldtosharetheinformationwiththem.sharetheinformationwiththem.First,wefollowedagroupofwhaleswiththeboat.First,wefo
9、llowedagroupofwhaleswiththeboat.Later,wecreatedadatabaseoftheirfinsandlocationsLater,wecreatedadatabaseoftheirfinsandlocations.1 12 23 34 45 56 67 78 83.Listentotheconversationagainandanswerthe3.Listentotheconversationagainandanswerthequestions.Lookatthequestionsandcirclethekeyquestions.Lookattheque
10、stionsandcirclethekeywords.words.1.Howmanyspeciesofwhalesarethere?2.Whatisthecriteriontodividethemaintypesofwhales?Over80.Over80.Thecriterioniswhethertheyhaveteethornot.Thecriterioniswhethertheyhaveteethornot.3.Whatdowhalesusesoundsfor?4.Whydothecamperstakepicturesofthewhalesfins?5.Whydotheycontacto
11、therresearchgroups?Theyusesoundstocommunicateandhunt.Theyusesoundstocommunicateandhunt.Thiscanhelpthemtotellthewhalesapart.Thiscanhelpthemtotellthewhalesapart.Theywanttoshareinformationwiththem.Theywanttoshareinformationwiththem.Part.03SpeakingprojectSpeakingprojectSomeofthestudentscouldnotmakeittot
12、hecamp.Someofthestudentscouldnotmakeittothecamp.Imagineyouwerethere.TellyourpartneraboutwhatImagineyouwerethere.Tellyourpartneraboutwhathappened,usingtheexpressionsintheboxbelow.Yourhappened,usingtheexpressionsintheboxbelow.Yourpartnercanalsoaskquestionstofindoutmoreaboutpartnercanalsoaskquestionsto
13、findoutmoreaboutwhathappened.whathappened.Expressing sequence First(lyFirst(ly),),Second(lySecond(ly),.Third(ly),.),.Third(ly),.FirstofFirstofall.all.Then/AfterThen/Afterthat/Afterwards/Next/Laterthat/Afterwards/Next/LaterononIntheend/AtIntheend/Atlast,.Atlast,.Atthattime.thattime.ItbeganItbeganwhen
14、.MeanwhileLaterwhen.MeanwhileLaterFinallyFinallyExampleExampleA A:Today:Todaywelearntaboutwhalesandwhaleresearch.First,wewelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationandfactsaboutwhales.Weusedthefoundsomeinformationandfactsaboutwhales.WeusedthelibraryandtheInternet.libraryandtheIn
15、ternet.B:WhatdidyoudoafterthatB:Whatdidyoudoafterthat?A:Well,afterthatwethoughtaboutwhywedowhaleresearch.B:Butwhydowedowhaleresearch?A:Therearelotsofreasons.Firstofall,weneedtoknowhowmanywhalesthereare.Then,weneedtoknowwheretheygo.Andfinally,weneedtounderstandmoreaboutthem.B:Thenwhatdidyoudonext?A:A
16、fterthat,wewentoutwhalewatching,followingagroupofwhalesinaboat.B:Thatsoundsgreat.Didyoujustwatchthem,ordidyoudoanythingelse?A:Westartedbytakingpicturesoftheirfins,sowecouldtellthemapart.Atthesametime,wenotedtheirlocation,sowecouldtrackthem.B:Whatdidyoudoafterwards?A:Wecreatedadatabaseandgaveeachwhaleanameandnumber.Thenfinally,wesharedourinformationwithotherwhaleresearchgroupsaroundtheworld.B:Itallsoundssowonderful!IwishIcouldhavejoinedyouA:Ido,too.HomeworkHomework：1.2.ThanksThanks
