Unit3SeaExplorationUsingLanguageListeningandSpeaking课件高中英语人教版选择性1

Unit3SeaexplorationUsingLanguage1ListeningandSpeakingBytheendofthisperiod,youwillbeableto:1.listenforgeneralideasandspecificinformation；2.gettoknowaboutwhalesandotherseaanimals；

3.learnhowtoexpresssequence.LearningobjectivesLookatthevideoandanswerthequestions.Lead-inWhatdoyouknowaboutwhales?Whalesaremammals.Twotypesofwhale:

baleenwhale(须鲸)and

toothedwhale(齿鲸).Whalesaretheheaviest

animalsknown.Whaleseatsmallfishandothersealife.Readtheposterbelowanddiscussthequestions.Pre-listeningInmyopinion,itisveryimportanttocarryoutthiskindofresearch.Becausethisresearchhelpsuslearnmoreaboutthewonderfulworldwelivein,andabouttheseamazingcreaturessothatwecanbetterprotectthem.Weshouldliveinharmonywiththem.You’regoingtolistentoaconversation.Theheadresearcheristalkingtothecampersattheendoftheday.Whatthreethingswerethecampersaskedtodo?1.______________________________________________2._______________________________________________3._______________________

________________________tofindoutsomefactsforawhaleprofiletothinkaboutwhytheydowhaleresearchtogooutwithusandwriteareportoftheworktheydoListenforsequenceWhenpeopletalkaboutaseriesofactionsoreventshappeninginsequenceoftime,theyoftenusecertainwordsandphrases,suchasfirst,next,then,afterthat,later,andfinally./ˈsiːkwəns/n.顺序While-listeningListentoLuke’spartoftheconversationagain.Fillintheblankswithsomewordsorphrasesinsequenceoftime.Numberthesentencesinthecorrectorder.Thenworkoutwhattheyhavedoneatthecamp._________,wegavethegroupofwhalesaname,andeachmemberanumber.Theywillbeaddedtothedirectorysowecanidentifythem____________.Mostwhaleshaveslightlydifferentfinsandmarks,whichcanhelpustotellthemapart.__________,wealsonotedtheirlocation,sowecantracktheirmovementsandplottheirmigrationpath._______wetookpicturesoftheirfins._______,wecontactedotherwhaleresearchgroupsaroundtheworldtosharetheinformationwiththem.______,wefollowedagroupofwhaleswiththeboat.______,wecreatedadatabaseoftheirfinsandlocations.FirstThenMeanwhileLaterAfterthatinthefutureFinally12345678Listentotheconversationagainandanswerthequestions.Lookatthequestionsandcirclethekeywords.1.Howmanyspeciesofwhalesarethere?2.Whatisthecriteriontodividethemaintypesofwhales?3.Whatdowhalesusesoundsfor?4.Whydothecamperstakepicturesofthewhales’fins?5.Whydotheycontactotherresearchgroups?1.Howmanyspeciesofwhalesarethere?Over80.2.Whatisthecriteriontodividethemaintypesofwhales?Thecriterioniswhethertheyhave___________.3.Whatdowhalesusesoundsfor?Theyusesoundsto___________________.4.Whydothecamperstakepicturesofthewhales’fins?Thiscanhelpthemto__________________.5.Whydotheycontactotherresearchgroups?Theywantto________________withthem.teethornotcommunicateandhunttellthewhalesapartshareinformationCraig:Hereatthecampwearewildaboutwhales!Todayyouhavebeenhelpinguswithourwhaleresearch.Firstofall,weaskedyoutofindoutsomefactsforawhaleprofile.Whatdidyoufind,Sally?Sally:Thereareover80differentspeciesofwhales.Theseincludethebluewhale,thelargestknownanimaltohaveeverexisted.Theycangrowto100feetlong,andcanweighnearly200tons!Therearetwomaintypesofwhale:thosewithteeth,andthosewithout.Thosewithoutteetheatverysmallorganisms,whereasthosewithteetheatfishandotherlargerseaanimals.Morethan70speciesofwhaleshaveteeth.ListeningtextCraig:Great!Then,weaskedyoutothinkaboutwhywedowhaleresearch.Yes,Ben.Ben:Firstly,itistomonitorhowmanywhalesthereare.Whalesarethreatenedbymanyfactors,includingclimatechange,pollution,andhunting.Secondly,itistotrackwherewhalesgo,sowecanunderstandmoreaboutthem,liketheirlifecycle.Lastly,weknowthatwhalesareveryintelligent.Theycommunicateandhuntusingcomplexsounds,andevensingandsharesongs.Theycanlearnbythemselvesandcanteachthethingstheyhavelearnttotheiryoung.Wewanttounderstandmoreaboutthis.Craig:Verygood,Ben.Andlastly,weaskedyoutogooutwithusandwriteareportoftheworkwedo.Canyougiveusyourreport,Luke?Luke:Yes.First,wefollowedagroupofwhaleswiththeboat.Thenwetookpicturesoftheirfins.Mostwhaleshaveslightlydifferentfinsandmarks,whichcanhelpustotellthemapart.Meanwhile,wealsonotedtheirlocation,sowecantracktheirmovementsandplottheirmigrationpath.Later,wecreatedadatabaseoftheirfinsandlocations.Afterthat,wegavethegroupofwhalesaname,andeachmemberanumber.Theywillbeaddedtothedirectorysowecanidentifytheminthefuture.Finally,wecontactedotherwhaleresearchgroupsaroundtheworldtosharetheinformationwiththem.Craig:Excellent!Thankyouallforyourhelptoday.WorkinpairsSomeofthestudentscouldnotmakeittothecamp.Imagineyouwerethere.Tellyourpartneraboutwhathappened,usingtheexpressionsintheboxbelow.Yourpartnercanalsoaskquestionstofindoutmoreaboutwhathappened.ExpressingsequenceFirst(ly),…Second(ly),...Third(ly),...Firstofall,...Then/Afterthat/Afterwards/Next/Lateron…Intheend/Atlast,...Atthattime..Itbeganwhen...Meanwhile…Later…Finally…Example:

A:Todaywelearntaboutwhalesandwhaleresearch.First,wefoundsomeinformationandfactsaboutwhales.WeusedthelibraryandtheInternet.

B:Whatdidyoudoafterthat?...SuggestedDialogueA: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.WatchthevideoProtectingBiodiversityandanswerthequestions.Post-listeningTalkwithyourpartnerandmakeaplanforatriptoseetheanimals.Yourplanshouldincludeactivitiesyouwouldliketodo.Tim