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1、選修7英語教學課件系列Unit3UndertheseaReadingWhaling,thehuntingandkillingofwhalesforoilandotherbyproducts,waspracticedasanorganizedindustryasearlyas875AD.Bythe16thcentury,ithadrisentobetheprincipleindustryinthecoastalregionsofSpainandFrance.BabyBlueWhaleGrayWhaleKillerWhaleRightWhaleWhiteWhaleSpermWhaleMinke
2、DifferentkindsofwhalesWhatisawhaler?Itcanbe:apersonwhohuntswhales;ashipusedforhuntingwhales.Therearemanyanimalsthathelpouthumansinhunting,suchasdogsandcormorants(鸕鶿).Howmanydifferentkindsofanimalscanyousee?Whatarethey?2.Whatarethementryingtodo?3.Whataretheblackwhalesdoing?4.Whendoyouthinkthisevent
3、istakingplace?(Whichcentury?)5.Howdoyouthinkyouwouldfeelifyouwereoneofthemenintheboat?Why?LookatthepictureonPage19andthinkaboutthequestions.Pre-readingDoyouknowaboutwhales?killerwhale(虎鯨)Killerwhalesareoneofthetoppredators(食肉動物)inthesea.Asagroup,killerwhalesareknowntoeatfish,squid,seals,sealions,p
4、enguins,evenotherwhales.虎鯨/殺手鯨Orcasarehighlysocialanimalsthattravelingroupscalledpods.Podsusuallyconsistof5to30whales,andareledbyfemales.Orcapodsoftenworktogethertocatchameal.鯨群Baleenwhaleshavenoteethbutinsteadhavebaleenplateswithwhichthewhalescanfilterthefoodoutofthewater.須鯨Onthetopofthehead,toot
5、hedwhaleshaveasingleblowhole(呼吸孔),thebaleenwhaleshavetwoblowholes,whichopenonlywhenthewhaletakesabreath.annualmigrationMostbaleenwhalesmigrateovertheentireglobe,movingfromtheAntarctic(南極)wheretheyfeedonkill,tothesub-tropics(亞熱帶),wheretheybreedandspendthewinterseason.feedinsummerincoldwatersandspen
6、dthewinterinwarmerwaterswithoutanabundanceoffood.Killerwhalesareattackingabaleenwhalewithwhalerswaitingbyintheirboat,harpoon(魚叉)attheready.Whatishappeninginthepicture?baleenwhalewritercareerwritingstyletimeplacemaincharactermainideaBackgroundClancyawhaleranecdotes(軼事;奇聞)atthebeginningofthe20thcent
7、uryAustraliaWhalers,killerwhalesandbaleenwhalesThekillerwhalehelpedthewhalerstokillabaleenwhaleReadingReadthetextfast,andfillinthefollowingblankswiththepropernames:1.________was16yearsofagewhenhewenttoworkatthewh
