人教版高二英语选修7课件：Unit 3 Period 1 Reading.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