高中英语：Unit 3 Under the sea课件新人教版选修7

Unit3Undertheseaseastar海星coral珊瑚jellyfish水母dolphin海豚gull海鸥turtle海龟seal海豹Butterflyfishsharkkillerwhaleskingofthesea,biggestcarnivore(食肉动物)ofthesea,killingallkindsofanimalsinthesea,eventhehugebluewhale,liketigeronland,workinginateam.baleenwhalesWhatishappeninginthepicture?•baleenwhaleFastReading:Getthemainideasofthetwoanecdotes.Thefirstanecdotedescribesahuntingexperienceabouthowthekillerwhaleshelpedthewhalerstohuntawhale.ThesecondonetellsabouthowakillerwhaleprotectedandsavedJames,awhaler.ScanningScanthetext,andfillintheblankswithnamesmentionedinthetext.1.___________was16yearsofagewhenhewenttoworkatthewhalingstation.2.__________orderedClancytogototheboatastherewasawhaleoutthereinthebay.3._________wasswimmingbytheboatshowingthewhalerstheway.4._________toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.5._________wascarriedbythewavesfurtherandfurtherawayfromthewhalers.6.__________knewthatOldTomwouldprotectJames.ClancyGeorgeOldTomJackJamesRedSkimmingSkimthetextandputthefollowingsentencesintoarightorder.()Georgestartedbeatingthewaterwithhisoar()Clancyjumpedintotheboatwiththewhalers.()Clancyarrivedatthewhalingstation()Thekillersstartedracingbetweenourboatandthewhale()Clancyheardahugenoisecomingfromthebay()Clancywassortingouthisaccommodation()Clancyrandowntotheshore()Themaninthebowoftheboataimedtheharpoonatthewhale65173248CarefulreadingReadthepassagecarefullyandanswerthequestionsonP21inpairs.1.WhatevidencewastherethatOldTomwashelpingoutthewhalers?2.Whatotheranimalsdidtheauthorcomparethekillerwhaleswith?OldTomletthewhalersknowthattherewasabaleenwhalenearby;heshowedthemthewaytothewhaleWorkasateamDogs.3.“Thekillersstartedracingbetweenourboatandthewhalejustlikeapackofexciteddogs.”whydoyouthinkthekillerwhalesbehavelikethis?Becausetheyknewthat,togetherwiththewhalers,theywouldsoonkillthebaleenwhaleandgetagoodfeed.4.WhydidGeorgethinkthatthekillerwhalesworkedasateam?Becausehecouldseethatsomeofthekillerswerethrowingthemselvesontopofthewhale’sblowholewhileotherswerepreventingitfromswimmingouttosea.5.Whydoyouthinkthewhalersallowedthekillerwhalestodragthewhaleunderthewatertofeedonitslipsandtongue?6.Whydidthewhalersreturnhomewithoutthewhale’sbody?BecausetheyknewtheKillerWhaleswouldleavetherestofthebodytothem.Becausethebodywouldnotfloattothesurfaceuntilabout24hourslater.7.HowdoyouthinkRedfeltaboutthekillerwhales?8.HowdidOldTomhelpJames?Whydoyouthinkhedidthis?RedfeltgoodabouttheKillerWhales.HeappreciatedtheworkingrelationshipthatthewhalershadwiththeKillerWhales.OldTompreventedJamesfromdrowning.OldTomwantedtohelphishumanfriends.1、atthetime“那时候”，位置应在story之后，作时间状语，提前是为了强调，thatthiswasjustastory作thought的宾语。（Para1）2、beaboutto表示即将发生的动作，意为“正要，即将”。(Para4)3、swimmingbytheboat在句中作宾语补足语，与宾语OldTom存在逻辑上的主谓关系。(Para6)IsawJackcrossingthestreet.我看见杰克正在穿过街道。4、circlingbacktotheboat;leadingustothehuntagain是现在分词短语作状语。Para6)Languagepoints:5、…itwasdifficulttohandletheboat.……划船很困难。I这是一个it作形式主语的句子，真正的主语是不定式tohandletheboat。，通常以it作形式主语，而把真正的主语后置以避免头重脚轻。这样的句式通常有：“Itis+adjfor/ofsbtodosth•seems（好像……）•It+appears（看上去……）+that（主语）+v.•happens（碰巧……）•Itisnousev.–ing做……没有用•Itissaid(reported)that…据说，据报道……•Itisbelievedthat…人们相信……•Itisthoughtthat…人们认为……•Ithasbeenprovedthat…事实证明……•Itiswell-knownthat…众所周知……6、IttookoverhalfanhourtogettheboatbacktoJames.用了半个多小时的时间才把船划回到詹姆斯身边。这是一个Ittakes(sb.)sometime/sth.todosth.的固定句式，take意为“花费、需要”，take前也可用具体名词作主语。Ittakeshimthreehourstodohishomeworkeveryday.他每天要用三个小时的时间做作业。DiscussionDiscusstherelationshipbetweenOldTomandthewhalers.Whatotheranimalsdoyouknowhelpouthumansinhunting?