Warming up[课件].ppt

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1、Unit3UndertheseaToday,we’regoingtotakealookattheworldunderthesea.Now,weareonasnorkelingtrip.Dolphins海豚Whatarethey?Turtle海龟Look.It’scomingtowardsus.Seahorse海马What’sthis?Squid乌贼Seastar海星Thislooksbeautiful!Jellyfish水母Coral珊瑚Angelfish天使鱼DifferentkindsoflittlefishClownfish小丑鱼Asharkisc

2、oming.Lookout!It’sdangerous.Henoticedus.We’dbetterleavehimalonebeforeit’stoolate.Bye,MrShark!guessundertheseahugeintelligentmammalwhale哺乳类动物animalPre-readingHowmuchdoyouknowaboutwhales?TwokindsthebaleenwhalesthetoothedwhalesWhalesarehuge,intelligentseamammals.Theybreatheairthroug

3、hblow-holesintolungs.Whaleshavesmooth,shinybodiesthatmoveeasilythroughthewater.Whatisawhale?Toothedwhales(齿鲸类)haveteethandasingleblowhole.Theyfeedoneatfishandotherseamammals.Killerwhales(虎鲸)belongtotoothedwhales.ClassificationofwhalesKillerwhalesBaleenwhalesarelargerthantoothedwh

4、ales.Theyusebaleentosieve(过滤)food,andhavetwoblowholes.BaleenwhaleskillerwhaleswhalersbaleenwhalePeoplewhohuntwhalesWhatdoyouthinkishappening?WriteroccupationStyleTimePlaceEventClancyAwhalerAnecdotesAtthebeginningofthe20thcenturySoutheasterncoastofAustraliaThekillerwhaleshelpedthe

5、whalerskillbaleenWhalesReadthetextinthepage19andcompletethechart.OldTomtheKillerWhaleOldTomisaKillerWhaleReadingFast-reading1._______was16yearsofagewhenhewenttoworkatthewhalingstation.2._______orderedClancytogototheboatastherewasawhaleoutthereinthebay.3._________wasswimmingbytheb

6、oat,showingthewhalerstheway.4._____toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.5.______wascarriedbythewavesfurtherandfurtherawayfromthewhalers.6._____knewthatOldTomwouldprotectJames.ClancyGeorgeOldTomJackJamesRedListenandfillintheblankswiththeirnames.Careful

7、-readingPart1BeforethehuntThekillerwhalethrewitselfoutofthe_____andthen_______downagain.Itswambythe_____,showingthewhalerstheway.watercrashedboatDuringthehuntThekillerswereworkingasa_____.Somewerethrowingthemselveson___ofthewhale’sblow-holetostopit_________.Otherswerestoppingit__

8、_____outtosea.AfterthehuntThekillerwhale