Unit+3+Sea+Exploration+Using+Language+Listening+and+Speaking 高中英語人教版（2019）選擇性必修第四冊

人教版（2019）選擇性必修四Unit3SeaExplorationUsingLanguage(ListeningandSpeaking)GettoknowaboutwhalesandotherseaanimalsLearningobjectivesBytheendofthissection,youwillbeableto:getgeneralinformationaboutwhalethroughwatchingaposter;listenforsequenceandgraspsomeexpressionsaboutexpressingsequence;makeamindmaptopresentinformationaboutwhalementionedbythespeaker,Sally;useexpressionsaboutsequencetotellwhathappenedatthewhalewatchingcamptoyourclassmateswhowerenotthere;improveyourawarenessofprotectingseaanimals.Brainstorm.Lead-inWhatseaanimalsdoyouknow?SEAANIMALSoctopusstarfishturtlejellyfishseahorsewhaleIwouldliketheopportunitytoseethewhalescloseupbest.Thisresearchhelpsuslearnmoreaboutthewonderfulworldwelivein,anditalsohelpsuslearnmoreabouttheseamazingcreaturessothatwecanbetterprotectthem.Readtheposterbelowanddiscussthequestions.Pre-listeningWhataspectofthecampwouldyoulikebest?Doyouthinkitisimportanttocarryoutresearchonwhalesandotherseacreatures?SuggestedAnswersMakeprediction.Listentotheheadresearchertalkingtothecampersattheendoftheday.Listenandgetmainidea.While-listeningWhatthreethingswerethecampersaskedtodo?123tofindoutsomefactsforawhale

profiletothinkaboutwhytheydowhaleresearchtogooutwithandwriteareportoftheworktheydoListentoLuke’spartoftheconversationagain.Numberthefollowingsentencesinthecorrectorder.Thenworkoutwhattheyhavedoneatthecamp.ListenforsequenceWhenpeopletalkaboutaseries

ofactionsoreventshappeninginsequenceoftime,theyoften

usecertainwordsandphrases,

suchasfirst,next,then,afterthat,

later,andfinally.2345678Over80.Thecriterioniswhethertheyhaveteethornot.Theyusesoundstocommunicateandhunt.Thiscanhelpthemtotellthewhalesapart.Theywanttoshareinformationwiththem.Listentotheconversationagainandanswerthequestions.Howmanyspeciesofwhalesarethere?Whatisthecriteriontodividethemaintypesofwhales?Whatdowhalesusesoundsfor?Whydothecamperstakepicturesofthewhales’fins?Whydotheycontactotherresearchgroups?SuggestedAnswersListentotheconversationagainandcompletetheblanks.Craig:Hereatthecampweare____aboutwhales!Todayyouhavebeenhelpinguswithourwhaleresearch.Firstofall,weaskedyoutofindoutsomefactsforawhale_______.Whatdidyoufind,Sally?Sally:Thereareover80differentspeciesofwhales.Theseincludethebluewhale,the______knownanimaltohaveeverexisted.Theycangrowto100feetlong,andcan_____nearly200tons!Therearetwo____typesofwhale:thosewithteeth,andthosewithout.Thosewithoutteetheatverysmallorganisms,whereasthosewithteetheatfishandotherlargerseaanimals.Morethan70speciesofwhaleshaveteeth.Craig:Great!Then,weaskedyoutothinkaboutwhywedowhaleresearch.Yes,Ben.Ben:Firstly,itisto_______howmanywhalesthereare.Whalesarethreatenedbymany______,includingclimatechange,________,andhunting.Secondly,itistotrackwherewhalesgo,sowecanunderstandmoreaboutthem,liketheirlifecycle.Lastly,weknowthatwhalesarevery_________.Theycommunicateandhuntusingcomplexsounds,andevensingandsharesongs.Theycanlearnbythemselvesandcan_____thethingstheyhavelearnttotheiryoung.Wewanttounderstandmoreaboutthis.Craig:Verygood,Ben.Andlastly,weaskedyoutogooutwithusandwriteareportoftheworkwedo.Canyougiveusyourreport,Luke?Luke:Yes.First,wefollowedagroupofwhaleswiththeboat.Thenwetookpicturesoftheirfins.Mostwhaleshave________differentfinsandmarks,whichcanhelpustotellthemapart.Meanwhile,wealsonotedtheirlocation,sowecantracktheirmovementsandplottheir________path.Later,wecreatedadatabaseoftheirfinsandlocations.Afterthat,wegavethegroupofwhalesaname,andeachmemberanumber.Theywillbeaddedtothedirectorysowecan________theminthefuture.Finally,we________otherwhaleresearchgroupsaroundtheworldtosharetheinformationwiththem.Craig:Excellent!Thankyouallforyourhelptoday.wildprofilelargestweighmainmonitorfactorspollutionintelligentteachslightlymigrationidentifycontactedReadtranscript,andcompletethefollowingmindmapaboutwhales.Post-listeningWhales(over80species)WhaleswithteethWhaleswithoutteethFoodSpeciesFoodTypicalspeciesfish,seaanimals70smallorganismsbluewhaleLengthWeight100feet200tonsSomeofthestudentscouldnotmakeittothecamp.Imagineyouwerethere.Tellyourpartneraboutwhathappened,usingtheexpressionsintheboxbelow.Yourpartnercanalsoaskquestionstofindoutmoreaboutwhathappened.First(ly),

... Second(ly),

... Third(ly),

... Firstofall,

...Then/Afterthat/Afterwards/Next/Lateron

...Intheend/Atlast,

... Atthattime

...Itbeganwhen

... Meanwhile

... Later

... Finally

...ExpressingsequenceEXAMPLEA:Todaywelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationand

factsaboutwhales.WeusedthelibraryandtheInternet.B:Whatdidyoudoafterthat?...A:Todaywelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationandfactsaboutwhales.WeusedthelibraryandtheInternet.B:Whatdidyoudoafterthat?A:Well,afterthatwethoughtaboutwhywedowhaleresearch.B:Butwhydowedowhaleresearch?A:Therearelotsofreasons.Firstofall,weneedtoknowhowmanywhalesthereare.Then,weneedtoknowwheretheygo.Andfinally,weneedtounderstandmoreaboutthem.B:Thenwhatdidyoudonext?A:Afterthat,wewentoutwhalewatching,followingagroupofwhalesinaboat.B:Thatsoundsneat.Didyoujustwatchthem,ordidyoudoanythingelse?A:Westartedbytakingpicturesoftheirfins,sowecouldtellthemapart.Atthesametime,wenotedtheirlocation,sowecouldtrackthem.B:Whatdidyoudoafterwards?A:Wecreatedadatabaseandgaveeachwhaleanameandnumber.Thenfinally,wesharedourinformationwithotherwhaleresearchgroupsaroundtheworld.B:Itallsoundssowonderful!IwishIcouldhavejoinedyou.A:Ido,too.SuggestedDialogueWatchthevideoProtectingBiodiversity,andthendiscusswhatotherseaanimalsyouwouldliketosee.Talkwithyourpartnerandmakeaplanforatriptoseetheanimals.Yourplanshouldincludeactivitiesyouwouldliketodo.Whatseaanimalscanyouseeinthevideo?Whatotherseaanimalswouldyouliketosee?Whatwouldyouliketoknowabouttheseseaanimals?WordsandExpressions

Theywillbeaddedtothedirectorysowecanidentifytheminthefuture.(P30)

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