人教版英语选修单元PPT课件

.,1,Unit3,Underthesea,.,2,Whatcanyouseeinthevideo?,.,3,coral珊瑚,anemonefish海葵鱼,jellyfish水母,turtle海龟,1,2,3,4,5,seastar海星,.,4,dolphin海豚,shark鲨鱼,Whichoneiscrueler？,.,5,killerwhale虎鲸,baleenwhale须鲸,Whichoneiscrueler？,.,6,Pre-reading,Readthetextinthepage19andthencompletethechart.,anecdote,anoldmancalledClancy,awhaler,onthesoutheasternofAustralia,atthebeginningofthe20thcentury,Killerwhaleshelpedwhalerscatchthebaleenwhales.,.,7,baleen,killer,blow-hole,whalers,_whale,_whales,catch/kill,help,Thewhalerhuntingatthebeginningof20thcentury,.,8,捕鲸(whalehunting)，将系有绳索的铦或叉、镖等，采用射击或投掷方式刺入鲸体进行猎捕。猎捕对象有须鲸和齿鲸两类，以蓝鲸、长须鲸、露脊鲸、抹香鲸、座头鲸、北极鲸、灰鲸、鳁鲸、小鳁鲸等为主。由于鲸油是贵重的工业原料，历史上欧洲和美洲一些国家的捕鲸活动长盛不衰。自20世纪中叶起，由于过度猎捕导致资源衰退以及国际上对捕鲸的限制，捕鲸业已趋衰落。,Background,.,9,传统捕鲸方法:6名捕鲸者离开大船，乘小艇追逐鲸鱼，小艇通常长8.5公尺，装备有具倒钩的捕鲸铦和长索。鲸一旦被铦刺中，便带着绳索逃遁，直到筋疲力尽浮出水面，人们在那儿用捕鲸枪(一种更长的捕鲸铦)将它杀死，用绳索拖到大船边，用有刃的长枪割取油脂，并把尸体抛弃。现代捕鲸业肇:挪威人福伊恩发明了一种捕鲸炮，用来发射内充炸药的标枪。后来又使用了动力船，与捕鲸炮相得益彰，这些方法使用至今几乎没有什么变化。,.,10,Fast-reading,Task1:Readthetextandthenfillintheblankswiththeirnames.,.,11,1._was16yearsofagewhenhewenttoworkatthewhalingstation.2._orderedClancytogototheboatastherewasawhaleoutthereinthebay.3._wasswimmingbytheboat,showingthewhalerstheway.4._toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.5._wascarriedbythewavesfurtherandfurtherawayfromthewhalers.6._knewthatOldTomwouldprotectJames.,Clancy,George,OldTom,Jack,James,Red,.,12,Thepassageismainlyabout_parts.,Task2:Mainidea,OldTom_thewhalerfromtheshark,OldTom_thewhalerstohuntthewhales.,helped,protected,2,.,13,Careful-reading,Part1,Putthefollowingsentencesinorder.,.,14,()Herandowntotheshoreandsawahugeanimalinthewater,whichwasOldTom,thekillerwhale.()Thekillerwhaleguidedtheteamtothehunt.()Thekillersatethelipsandtongueofthebaleenwhale.()Clancyarrivedatthewhalingstation.()Heheardaloudnoisecomingfromthebayashewassortingouthisaccommodation.()Themenwenttotheboatandheadedoutforawhalehunt.()Clancyandhismenkilledthebaleenwhalewiththehelpofthekillers.()Themenreturnedforthebaleenwhalethenextday.,3,5,7,1,4,6,2,8,.,15,_itselfoutofthe_andthen_again.,Tellthewhalerstheresa_outthere.,Throwing,water,crashingdown,whale,Questions:Whatdidthekillerwhaledointhewhale-hunt?,.,16,Swimming_showingthewhalers_,bytheboat,theway,Leadthewhalerstothehunt.,.,17,Helpthewhalerskillthewhale,Throwingthemselves_;Stoppingit_and_,ontopofthewhalesblowholetostopitbreathing,diving,fleeingouttosea,.,18,dragthebodyswiftlydowntothe_ofthesea.,depths,haveagoodfeedonits_and_,lips,tongue,.,19,Whydidthewhalersgohomewithoutbringinginthebodyofthewhale?A.Theyjustdidthehuntingforfun.B.Theyleftiteatenupbythekillers.C.Itwasdraggedtothedepthsofthesea.D.Theyjustwaitedforittofloatup.,D,.,20,Whatmayhappentotheman?,.,21,Part2,TorF,1.BecauseOldTomandtheotherkillersweretoofierce,theyalsowouldharmorattackedpeople.2.Jameswasafraidofbeingabandonedbyus.3.NoonesavedJames,andhewaskilledbyashark.,F,T,F,.,22,washedoff,rough,difficult,waves,ashark,terrified,near,heldup,pulledback,.,23,Wecaninferfromthetextthat_.A.Thekillerwhalesmaybetrainedbythewhalers.B.ThekillerwhaleswanttohelpmancatchthewhalesthemselvesC.ThekillerwhalesneednotrainingforhelpingthewhalersD.Thekillerwhaleswanttoeatthewhalesafterkillingthem,A,.,24,Conclusion,Althoughthekillerswere_hunters,theynever_or_people.Infact,they_them.However,whalesarenowin_.Theyare_out.,Fillintheformsaccordingtothetext,fierce,harmed,attacked,protected,danger,dying,.,25,.,26,Discussion,ThelastwhalingstationinAustraliaclosedin1978.Whalesarenowanendangeredspeciesandinneedofconservation.Theyarenowprotectedbyaninternationalbanonwhaling.However,somecountriesopposetheban.Ingroups,discussther