高中英语选修七unit3课件.ppt

高中英语选修七unit3课件.ppt

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Unit3UndertheseaUnit3Underthesea刘晓静刘晓静Now,weareonasnorkelingtripunderthesea.Later,wellcomeacrossagreatvarietyofmarinemri:

nanimals.Guesswhatwellsee?

Whatarethose?

DolphinsWhatsthis?

JellyfishdelifiLookItscomingtowardsus.ThatisaSeaturtle.Thatlooksbeautiful!

Itsaseahorse.Oh,someotherdifferentoceanicanimals!

seaflower/anemoneseastarseastarcoralcoralDifferentkindsoflittlefishesDifferentkindsoflittlefishesAnAngelfishSeaflowersClownklaunfishesAsharkiscomingDangerous!

HenoticesusWemustgonow.Wearesafenow.AndIcatchaseastarneartheshoreIfyoulike,youcangotoseemoreaboutIfyoulike,youcangotoseemoreabouttheoceanlifetheoceanlifeatanaquarium,onaboattrip,onaboattrip,or,inbooks,ontheInternet,intheOceanPark,onTVetc.Pre-Reading:

Guesswhatisthenameofthisanimal?

AKillerWhale!

Killerwhale虎鲸虎鲸Whatdoyouknowaboutkillerwhales?

Commonname:

KillerWhaleIntroduction:

Malescanreachlengthsupto27feetandcanweighupto12,000lb.Youcantellanadultmalefromanadultfemalebytheshapeoftheirdorsald）:

slfin（maleslonger,upto6feettall）.killerwhalesarefoundinalloceansoftheworld.Asagroup,killerwhalesareknowntoeatfish,squidskwid,seals,sealions,penguins,evenotherwhales.Thus,theyarecalled“KillerWhales”Scientificname:

OrcinusOrcaReadingOldTomthekillerwhale1._was16yearsofagewhenhewenttoworkatthewhalingstation.2._orderedClancytogototheboatastherewasawhaleoutthereinthebay.ClancyGeorgeTask1:

Fillintheblankswithnamesmentionedinthetext.Fast-readingFast-reading3._wasswimmingbytheboat,showingthewhalerstheway.4._toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.OldTomJackDotheDothe“TrueTrue”oror“FalseFalse”exercises.exercises.1.1.TheauthorbelievedthestoryTheauthorbelievedthestorywastruthattheverybeginning.wastruthattheverybeginning.2.Thekillerwhalewasthrowing2.Thekillerwhalewasthrowingitselfoutofthewaterandthenitselfoutofthewaterandthencrashingdownagainjusttoplay.crashingdownagainjusttoplay.3.OldTomswimbyourboat,showing3.OldTomswimbyourboat,showingustheway.ustheway.4.Thewhalecaughtbythekillers4.Thewhalecaughtbythekillersdiedanditswholebodywaseatendiedanditswholebodywaseatenbythekillers.bythekillers.5.Jameswasafraidofbeing5.Jameswasafraidofbeingabandonedbyus.abandonedbyus.6.NoonesavedJames,andhewas6.NoonesavedJames,andhewaskilledbyashark.killedbyashark.Task2:

Readthetextcarefullyagainandfillintheblanks.BeforethehuntThekillerwhalethrewitselfoutofthe_andthen_downagain.Itswambythe_,showingthewhalerstheway.watercrashedboatDuringthehuntThekillerswereworkingasa_.Somewerethrowingthemselveson_ofthewhalesblow-holetostopit_.Otherswerestoppingit_outtosea.AfterthehuntThekillers_thedeadbodydownintothe_ofthesea,havingagoodfeedonitslipsand_.tongueteamtopbreathingfleeingdraggeddepthsTask3:

（Readingandspeaking）Task3:

（Readingandspeaking）Pleasereadthepassageagain,andinPleasereadthepassageagain,andinpairs,answerthefollowingquestions.pairs,answerthefollowingquestions.1.1.WhatevidencewastherethatOldWhatevidencewastherethatOldTomwashelpingthewhalersout?

Tomwashelpingthewhalersout?

Careful-readingCareful-readingEvidenceofhelpingthewhalersthrowitselfoutofthewaterandcrashdownagain.Letthewhalersknowthattherewasabaleenwhalenearby.swimbytheboatShowingthewhalersthewaytothehunt2.Whatotheranimalsdidtheauthor2.Whatotheranimalsdidtheauthorcomparethekillerwhaleswith?

Whycomparethekillerwhaleswith?

Whydoyouthinkthekillerwhalesdoyouthinkthekillerwhalesbehavedlikethis?

behavedlikethis?

Dogs.Becausetheyknewthat,togetherwiththewhalers,theywouldsoonkillthebaleenwhaleandgetagoodfeed.3.WhydidGeorgethinkthatthekiller3.WhydidGeorgethinkthatthekillerwhalesworkedasateam?

whalesworkedasateam?

Becausehecouldseethatsomeofthekillerswerethrowingthemselvesontopofthewhalesblowholewhileotherswerepreventingitfromdivingorfleeingouttosea.4.Whydidthewhalersallowthekiller4.Whydidthewhalersallowthekillerwhalestodragthewhaleaway?

whalestodragthewhaleaway?

Becausetheyknewthekillerwhaleswouldleavetherestofthebodytothem.5.Whydidthewhalersreturnhomewithoutthewhalesbody?

Becausethebodywouldnotfloattothesurfaceuntilabout24hourslater.6.HowdidOldTomhelpJames?

Why6.HowdidOldTomhelpJames?

Whydoyouthinkhedidthis?

doyouthinkhedidthis?

OldTompreventedJamesfromdrowning.OldTomwantedtohelphishumanfriends.1.1.Thetextismainlyabout_.Thetextismainlyabout_.A.thekillerwhalesareeasilytrainedA.thekillerwh