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1、人教版高中英语选修七同步课件人教版高中英语选修七Unit1LivingwellUnit2RobotsUnit3UndertheseaUnit4SharingUnit5TravellingabroadUnit3UndertheseaReading选修七Pre-readingDoyouknowaboutwhales?killerwhale(虎鲸)Killerwhalesareoneofthetoppredators(食肉动物)inthesea.Asagroup,killerwhalesareknowntoeatfish,squid,seals
2、,sealions,penguins,evenotherwhales.虎鲸/杀手鲸Orcasarehighlysocialanimalsthattravelingroupscalledpods.Podsusuallyconsistof5to30whales,andareledbyfemales.Orcapodsoftenworktogethertocatchameal.鲸群Baleenwhaleshavenoteethbutinsteadhavebaleenplateswithwhichthewhalescanfilterthefoodo
3、utofthewater.须鲸Onthetopofthehead,toothedwhaleshaveasingleblowhole(呼吸孔),thebaleenwhaleshavetwoblowholes,whichopenonlywhenthewhaletakesabreath.annualmigrationMostbaleenwhalesmigrateovertheentireglobe,movingfromtheAntarctic(南极)wheretheyfeedonkill,tothesub-tropics(亚热带),wheret
4、heybreedandspendthewinterseason.feedinsummerincoldwatersandspendthewinterinwarmerwaterswithoutanabundanceoffood.Killerwhalesareattackingabaleenwhalewithwhalerswaitingbyintheirboat,harpoon(鱼叉)attheready.Whatishappeninginthepicture?baleenwhalewritercareerwritingstyletimepla
5、cemaincharactermainideaBackgroundClancyawhaleranecdotes(轶事;奇闻)atthebeginningofthe20thcenturyAustraliaWhalers,killerwhalesandbaleenwhalesThekillerwhalehelpedthewhalerstokillabaleenwhaleReadingReadthetextfast,andfillinthefollowingblankswiththepropernames:1.________was16year
6、sofagewhenhewenttoworkatthewhalingstation.2._______orderedClancytogototheboatastherewasawhaleoutthereinthebay.3.________wasswimmingbytheboat,showingthewhalerstheway.ClancyOldTomGeorge4._______toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.5._______wasca
7、rriedbythewavesfurtherandfurtherawayfromthewhalers.6._______knewthatOldTomwouldprotectJames.JamesRedJackTrueorFalse1.TherewasnoevidencethatOldTomwashelpingoutthewhalers.2.Theauthorcomparesthekillerwhaleswithadog.FT3.Thekillerwhalesworkedasateam.4.Thekillerwhalesdraggedthe
8、whaleunderthewatertofeedonitsbody.5.Thewhalersreturnedhomewiththewhale’sbody.6.OldTomdidn’thelpo
