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1、Unit3 Unit3Underthesea Haveyouseenplantsandanimalsthatliveunderthesea Wheredidyouseethem Warmingup Findoutfromyourclassmateswheretheysawthem atanaquarium infilms inbooks onaboattour onasnorkellingtrip ontheInternet onTVnatureprogrammes Watchthephotosandtrytowritedownthenamesoftheanimalsortheplants s
2、hark dolphin turtle seahorse anemone Coral珊瑚 seastar Anemonefish海葵鱼 whale鲸鱼 Jellyfish水母 Angelfish天使鱼 Reading Pre reading Whalesarehuge intelligentseamammals Theybreatheairthroughblow holesintolungs unlikefishwhobreatheusinggills Whaleshavesmooth shiny streamlined 流线型 bodiesthatmoveeasilythroughthewa
3、ter Whatisawhale Therearetwotypesofwhalesalivetoday toothedwhales 齿鲸类 andbaleenwhales 须鲸类 Toothedwhaleshaveteethandasingleblowhole Theyfeedoneatfishandotherseamammals Baleenwhalesarelargerthantoothedwhales Theyarefilterfeeders 滤食者 thatusebaleentosieve 过滤 food andhavetwoblowholes Classificationofwhal
4、es Killerwhales 虎鲸 belongtotoothedwhales whoarethelargestofthedolphinsandkingofthesea biggestcarnivore 食肉动物 ofthesea killingallkindsofanimalsinthesea eventhehugebluewhale liketigersonland workinginateam Averagelifespan 50to80yearsSize 7to9 7mWeight upto6tons Killerwhales Baleenwhalesarecharacterized
5、byhavingbaleenplatesforfilteringfoodfromwater ratherthanhavingteeth Baleenwhalesaregenerallylargerthantoothedwhales andfemalesarelargerthanmales Thisgroupincludesthelargestknownanimalspecies theBlueWhale Baleenwhales killerwhales baleenwhales Whatdoyouthinkishappeninginthepicture Readtheintroduction
6、ofthetextonpage19andfillinthefollowingtable AnoldmancalledClancy Awhaler anecdotes Australia Atthebeginningofthe20thcentury Killerwhaleshelpedwhalerscatchbaleenwhales OLDTOMTHEKILLERWHALE Thefirstanecdotedescribesahuntingexperienceabouthow helpedthe tohuntabaleen thekillerwhales whalers Task1 themai
7、nideasofthetwoanecdotes Fast reading Thesecondanecdotetellsabouthowakillerwhale and James awhaler protected saved Task2 Puttheeventsinthereadingpassageintothistimeline Writeasentenceineachoftheboxes Threesentenceshavebeengiven 1Clancyarrivedatthewhalingstation 2Heheardaloudnoisecomingfromthebay 3Hes
8、awahugeanimalinthewater whichwasOldTom thekillerwhale 4Themenwenttotheboatandheadedoutforawhalehunt 5Thekillerwhaleguidedtheteamtothehunt 6Clancyandhismenkilledthebaleenwhalewiththehelpofthekillers 7Thekillersatethelipsandtongueofthebaleenwhalewiththehelpofthekillers 8Themenreturnedforthebaleenwhale
9、thenextday Task3 Fillintheblanks water crashed boat tongue team top breathing fleeing dragged depths Task4 Readingandspeaking 1 WhatevidencewastherethatOldTomwashelpingthewhalersout Careful reading Inpairsanswerthefollowingquestions Evidenceofhelpingthewhalers throwitselfoutofthewaterandcrashdownaga
10、in OldTomletthewhalersknowthattherewasabaleenwhalenearby swimbytheboat Heshowedthethemthewaytothewhale 2 Whatotheranimalsdidtheauthorcomparethekillerwhaleswith Whydoyouthinkthekillerwhalesbehavedlikethis Dogs Becausetheyknewthat togetherwiththewhalers theywouldsoonkillthebaleenwhaleandgetagoodfeed 3
11、 WhydidGeorgethinkthatthekillerwhalesworkedasateam Becausehecouldseethatsomeofthekillerswerethrowingthemselvesontopofthewhale sblowholewhileotherswerepreventingitfromdivingorfleeingouttosea 4 Whydidthewhalersallowthekillerwhalestodragthewhaleaway Becausetheyknewthekillerwhaleswouldleavetherestoftheb
12、odytothem 5 HowdidOldTomhelpJames Whydoyouthinkhedidthis OldTompreventedJamesfromdrowning OldTomwantedtohelphishumanfriends 1 Thefirststoryismainlyabout A ahuntingexperienceofOldTomB howOldTomhelpedwithwhalehuntingC howthewhalerskilledawhaleD howkillerwhaleskilledawhale2 Thesecondstorywastoldto A sh
13、owkillerwhaleswerecruelhuntersB entertainreadersC showkillerwhalescouldprotectandsavepeopleindangerD showkillerwhalesneverharmedorattackedpeople ReadingComprehension 3 Accordingtothesecondstory thekillerwhalescanprotectmenfrombeingattackedby A whalesB tigersC enemiesD sharks4 killedthewhaleatlast A
14、OldTomB ThekillerwhalesD ThewhalersC Theauthor Getthemainideasofthetwoanecdotes describesahuntingexperienceabouthowthekillerwhaleshelpedthewhalerstohuntawhale tellsabouthowakillerwhaleprotectedandsavedJames awhaler Thefirstanecdote Thesecondone Summary Workingatthe whale station Ihad whaleskilledman
15、ytimeswithmyowneyes OntheafternoonIarrivedatthestation asI sort短语 myaccommodation Iheardaloudnoisecomingfromthebay whaling witnessed wassortingout Fillintheblanksaccordingtothepassage Consolidation Runningdowntotheshoreintime wesawan huge同义词 animal ItiscalledOldTom thekiller Georgesaidasheranahead m
16、e thedistancewecouldseethatsomethingwashappening of In enormous Aswe draw短语 Icouldseeawhale bya ofaboutsixsharks Beingbadlywounded thewhalesoondied Verysoon itsbodywasdraggedbythesharksdownintothe ofthesea depths pack beingattacked drewnearer ThelastwhalingstationinAustraliaclosedin1978 Whalesarenowanendangeredspeciesandinneedofconservation Theyarenowprotectedbyaninternationalbanonwhaling However somecountriesopposetheban Ingroupsdiscussthereasonsforandagainstbanningwhaling Discussion n 保存 保护 Re
