Unit+3+Sea+Exploration+Using+Language+Listening+and+Speaking+高中英语人教版（2019）选择性必修第四册

UNIT3SEAEXPLORATIONUsingLanguage—Listening:GettoknowaboutwhalesandotherseaanimalsWhatisthelargestcreatureintheworld?bluewhaleHowdoweobservewhalesatcloserange?JoinawhalewatchingcampReadtheposterbelowandgetreadyforlisteningtask.(P30)Listentotheheadresearchertalkingtothecampersattheendoftheday.Whatthreethingswerethecampersaskedtodo?____________________________________________________________________________________________________________________________________togooutwithandwriteareportoftheworktheydotofindoutsomefactsforawhaleprofiletothinkaboutwhytheydowhaleresearchListenforsequenceWhenpeopletalkaboutaseriesofactionsoreventshappeninginsequenceoftime,theyoftenusecertainwordsandphrases,suchasfirst,next,then,afterthat,later,andfinally.TipsoflisteningforsequenceListentoLuke'spartoftheconversationagain.Numberthefollowingsentencesinthecorrectorder.Thenworkoutwhattheyhavedoneatthecamp.(P30E3)6734285目录；名录adv.与此同时Listentotheconversationagainandanswerthequestions.(P31E4)Howmanyspeciesofwhalesarethere?Whatisthecriteriontodividethemaintypesofwhales?Whatdowhalesusesoundsfor?Whydothecamperstakepicturesofthewhales’fins?Whydotheycontactotherresearchgroups?Over80Thecriterioniswhethertheyhaveteethornot.Howmanyspeciesofwhalesarethere?Whydotheycontactotherresearchgroups?Whatisthecriteriontodividethemaintypesofwhales?Whatdowhalesusesoundsfor?Theywanttoshareinformationwiththem.Theyusesoundstocommunicateandhunt.Whydothecamperstakepicturesofthewhales’fins?Thiscanhelpthemtotellthewhalesapart.AudioScriptHereatthecampwearewildaboutwhales!Todayyouhavebeenhelpinguswithourwhaleresearch.Firstofall,weaskedyoutofindoutsomefactsforawhaleprofile.Whatdidyoufind,Sally?Thereareover80differentspeciesofwhales.Theseincludethebluewhale,thelargestknownanimaltohaveeverexisted.Theycangrowto100feetlong,andcanweighnearly200tons!Therearetwomaintypesofwhale:thosewithteeth,andthosewithout.Thosewithoutteetheatverysmallorganisms,whereasthosewithteetheatfishandotherlargerseaanimals.Morethan70speciesofwhaleshaveteeth.Great!Then,weaskedyoutothinkaboutwhywedowhaleresearch.Yes,Ben.Craig:Sally:Craig:Firstly,itistomonitorhowmanywhalesthereare.Whalesarethreatenedbymanyfactors,includingclimatechange,pollution,andhunting.Secondly,itistotrackwherewhalesgo,sowecanunderstandmoreaboutthem,liketheirlifecycle.Lastly,weknowthatwhalesareveryintelligent.Theycommunicateandhuntusingcomplexsounds,andevensingandsharesongs.Theycanlearnbythemselvesandcanteachthethingstheyhavelearnttotheiryoung.Wewanttounderstandmoreaboutthis.Verygood,Ben.Andlastly,weaskedyoutogooutwithusandwriteareportoftheworkwedo.Canyougiveusyourreport,Luke?AudioScriptBen:Craig:Yes.First,wefollowedagroupofwhaleswiththeboat.Thenwetookpicturesoftheirfins.Mostwhaleshaveslightlydifferentfinsandmarks,whichcanhelpustotellthemapart.Meanwhile,wealsonotedtheirlocation,sowecantracktheirmovementsandplottheirmigrationpath.Later,wecreatedadatabaseoftheirfinsandlocations.Afterthat,wegavethegroupofwhalesaname,andeachmemberanumber.Theywillbeaddedtothedirectorysowecanidentifytheminthefuture.Finally,wecontactedotherwhaleresearchgroupsaroundtheworldtosharetheinformationwiththem.Excellent!Thankyouallforyourhelptoday.AudioScriptLuke:Craig:PayattentiontoSally’spartoftheconversationandfindoutsomefactsforawhaleprofile.ThinkingmapWhales(over80species)WhaleswithteethWhaleswithoutteethfoodspeciesfoodtypicalspeciesfish,seaanimals70smallorganisms200tonsLength100feetWeightBluewhalespeakingSomeofthestudentscouldnotmakeittothecamp.Imagineyouwerethere.Tellyourpartneraboutwhathappened,usingtheexpressionsintheboxbelow.Yourpartnercanalsoaskquestionstofindoutmoreaboutwhathappened.(P31E5)ExpressingsequenceA:Todaywelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationandfactsaboutwhales.WeusedthelibraryandtheInternet.B:Whatdidyoudoafterthat?EXAMPLETodaywelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationandfactsaboutwhales.WeusedthelibraryandtheInternet.Whatdidyoudoafterthat?Well,afterthatwethoughtaboutwhywedowhaleresearch.Butwhydowedowhaleresearch?Therearelotsofreasons.Firstofall,weneedtoknowhowmanywhalesthereare.Then,weneedtoknowwheretheygo.Andfinally,weneedtounderstandmoreaboutthem.Thenwhatdidyoudonext?SampleDialogueA:B:A:B:A:B:Afterthat,wewentoutwhalewatching,followingagroupofwhalesinaboat.Thatsoundsneat.Didyoujustwatchthem,ordidyoudoanythingelse?Westartedbytakingpicturesoftheirfins,sowecouldtellthemapart.Atthesametime,wenotedtheirlocation,sowecouldtrackthem.Whatdidyoudoafterwards?Wecreatedadatabaseandgaveeachwhaleanameandnumber.Thenfinally,wesharedourinformationwithotherwhaleresearchgroupsaroundtheworld.Itallsoundssowonderful!IwishIcouldhavejoinedyou.Ido,too.SampleDialogueA:B:A:B:A:B:A:WatchthevideoProtectingBiodiversity,andthendiscusswhatotherseaanimalsyouwouldliketosee.Talkwithyourpartnerandmakeaplanforatriptoseetheanimals.Yourplanshouldincludeactivitiesyouwouldliketodo.(P31E6)Whatanimalscanyouseeinthevideo?sharkjellyfishoctopussealcrabeel(鳗鱼)Whatotherseaanimalsdoyouknow?clownfishstarfishseahorsedolphinturtleseasnailMakeyourownplanForourtrip,wewouldliketogototheShanghaiOceanAquarium,whosethemeis“Spanningfivecontinentsbyaconnectionofwater”.Wecanfirstvisitthespeci