高中英语 Unit 3 Under the sea Period 1 Reading课件 新人教版选修7.ppt

unit3underthesea,培养学生阅读能力和技巧，skimming,scanning,summarizing等，并能快速的锁定所需的信息范围。2.使学生更好的了解海底生物，热爱生物，保护海洋环境。,本节课是unit3underthesea的第一篇课文，设计的意图主要是通过任务型阅读，培养学生的阅读能力，即泛读和精读的能力，并能根据不同的题型选用不同的阅读方法。首先，用海底生物的图片法进行导入，激发学生的学习兴趣，从而自然过度本文的主题。其次，在新课讲授环节，设置了多样的题型训练学生的阅读技巧。Discussion环节，同学之间的讨论，增强了人际沟通能力，同时也提高了自身的口语表达能力，这也是新课标的重要任务之一。,Haveyouseenplantsandanimalsthatliveunderthesea?Letsenjoysomebeautifulpictures.,atanaquarium,onaboattour,infilms,onTVnatureprograms,ontheinternet,Wherecanyouseethem?,inbooks,onasnorkellingtrip,Watchthephotosandtrytowritedownthenameoftheanimalortheplantinyourexercisebooks.,whitewhale,shark,Seastar海星,jellyfish水母,Dolphin海豚,Turtle海龟,Coral珊瑚,eel海鳗,lobster龙虾,shark鲨鱼,Doyouknowaboutwhales?,suchas,sharks鲨鱼,thebaleenwhales须鲸,thekillerwhales虎鲸,Shark鲨鱼,killerwhales,baleenwhales,Whatdoyouthinkishappeninginthepicture?,Killerwhalesareattackingabaleenwhalewithwhalerswaitingbyintheirboat,harpoonattheready.,ReadingOldTomthekillerwhale,ClancyAwhalerAnecdotesAtthebeginningforthe20thcenturyAustraliaThekillerwhalehelppeopletokillbaleenwhale,.Readthepassageandthenfillintheform,1._was16yearsofagewhenhewenttoworkatthewhalingstation.2._orderedClancytogototheboatastherewasawhaleoutthereinthebay.3._wasswimmingbytheboat,showingthewhalerstheway.,Clancy,OldTom,George,.Writedownnamesandknowwhattheydid?,4._toldClancythattheywouldreturnthenextdaytobringinthebodyofthewhale.5._wascarriedbythewavesfurtherandfurtherawayfromthewhalers.6._knewthatOldTomwouldprotectJames.,James,Red,Jack,.Getthemainideasofthetwoanecdotes.,Thefirstanecdotedescribesahuntingexperienceabouthowthekillerwhaleshelpedthewhalerstohuntawhale.,ThesecondonetellsabouthowakillerwhaleprotectedandsavedJames,awhaler.,Listentothetapeandanswerthefollowingquestions:,OldTomthekillerwhale,1.whatevidencewastherethatOldTomwashelpingoutthewhalers?2.whatotheranimalsdidtheauthorcomparethekillerwhaleswith?,OldTomletthewhalersknowthattherewasabaleenwhalenearby;heshowedthemthewaytothewhale,Dogs,3.“Thekillersstartedracingbetweenourboatandthewhalejustlikeapackofexciteddogs.”whydoyouthinkthekillerwhalesbehavelikethis?,Becausetheyknewthat,togetherwiththewhalers,theywouldsoonkillthebaleenwhaleandgetagoodmeal.,4.whydidGeorgethinkthatthekillerwhalesworkedasateam?,Becausehecouldseethatsomeofthekillerswerethrowingthemselvesontopofthewhalesblowholewhileotherswerepreventingitfromfleeingouttosea.,5.whydoyouthinkthewhalersallowedthekillerwhalestodragthewhaleunderthewatertofeedonitslipsandtongue?6.whydidthewhalersreturnhomewithoutthewhalesbody?,BecausetheyknewtheKillerWhaleswouldleavetherestofthebodytothem,Becausethebodywouldnotfloattothesurfaceuntilabout24hourslater,Whyaretheanimalsundertheseabecomingfewerandfewer?Whatcanwedotoprotectthem?,Possibleanswers:1.Reasons:(1)Livingpollutionandindustrialpollution(2)Humanhunting(3)Globalwarming(4)Themissingofthesea(5)Thekillerwhale,2.Methods:(1)Stoppallingpollutingthingsintothesea(2)Plantmoretreesonthese