Unit15We’retryingtosavethemanatees(The4thperiodSectionB3a—4)ByBaiXiujuanTeachingAimsandDemands1.Knowledgeobjects(1)Keyvocabulary：trash,pulldown,bemadefrom,glue,inspiration,bottle,sparetime（2）Practicereadinganarticle．（3）Practicewritingsomethingusingthetargetlanguage．3.MoralObjectWemustrealizetheimportanceofrecycling,Itnotonlyisausefulsavingofmoneybutalsocanprotectourenvironment．TeachingkeypointsanddifficultpointsPracticereadingandwritingusingthetargetlanguage．1．Howtoimprovestudents’readingability．2．Howtoimprovestudents’speakingability．TeachingAidsArecorder,aprojectorandCAI教学步骤建议和说明TeachingstepsStep1Pre-readingFirstshowapictureofourcryingplanet—earth.AskSs:Lookatourearth.What’sthematterwithher?Thenshowafewpicturesabouttheenvironmentproblems.Afterthat,askSsWhatshouldwedotosaveourplanet?EncourageSstogivesomegoodsuggestionstorevisewhatSshavejustlearned.开门见山引入本课话题复习前面所学内容,唤起学生对以前学过的回忆，为阅读文章做好铺垫，起到以旧Step2PairworkLetSssharetheirideaswiththepartnersabouthowtoprotecttheenvironment.Dopairwork.e.g.A:Recyclingpaperisreallyeasy.B:Iagree.Butit’shardtostopridinginacar.Step3ReadingBeforereading,showsomeobjects,askSsDoyouknowwhatitismadefrom?Presentthephrases“bemadefrom”andgetSstopracticeit.Afterthat,letSsread3aquicklybythemselvesandfillintheblanksasfollowing.HousepartsThingsmadefromThewallsTheroofThefenceThenletSsread3amorecarefully,atthesametime,underlineandexplainsomekeypoints.HelpSsreadandlearnthearticle.Atlast,tellSsimaginethatyouaregoingtointerviewAmy.Shareyourquestionswithyourpartner.Themore,thebetter.Step4TalkingAskSsiftheycansaysomethingabouthowtorecyclethings.EncourageSstoexpressthemselvesfreely.Step5WritingLetSscomparethepicturesandthencompletethe带新的作用通过两两操练提高学生对所学知识的运用能力，符合语言的交际功能。通过表格的形式让学生先对要学的文章有个粗线条的了解，同时突出本章节的重点。通过学生间的两两问答，不仅加深了学生对文章的理解，更能挖掘文中的内涵，升华主题。既让学生练习了口语，又突出了本单元的主题。学以致用，最终运用在写作上。article.Usethephrases“bemadefrom’’and“usedtobe’’intheirarticle.Step7MakeconversationsIftimepermits,videsspeakingandlisteningpracticeusingthetargetlanguage．Gothroughtheinstructionswiththeclass．Inviteapairofstudentstomodelpartofthesampledialogueaddingtheirownanswers．Correctanypronunciationerrorstomakesurethestudentsareprovidingagoodmodelfortherestoftheclass．SampleconversationsConversation1SA:Whatarethreethingsyouaresupposedtodo?SB:I’msupposedtogohomeafterschool,finishmyhomeworkandgotobedatten．SA:Whatareyousupposedtodowhenyoumeetyourteacher?SB:I’msupposedtogreetmyteacher．Conversation2SA:Whathappenedyesterday?SB:Imissedthebus．Iwaslateforschool．SA:Whydidyoumissthebus?SB:Igotuplate．Conversation3SA:Givemethatbook,让学生了解人类已经为保护环境行动起来了，所以作为地球人的我们，理应也该出SB:Pleaseaskpolitely．SA:I’msorry．Couldyoupleasegivemethatbook?SB:Ofcourse．Hereyouare．Conversation4SA:Howdoyoufeelaboutsoftmusic?SB:Itmakesmerelaxed．SA:Howaboutloudmusic?SB:Itmakesmewanttodance．Conversation5SA:Doyouneedsomehelp?SB:Yes,I’mlookingforyourabusstop．SA:Walkalongthestreetandturnleftatthefirstturning．Youwillfindit．SB:Thankyouforyourhelp．SA:You’rewelcome．Conversation6SA:Haveyoueverwonanything?SB:Iwonthebestnewsingerlastyear．Sa:That’sgreat．Haveyouhadyourownconcert?Sb:No,notyet．Step8KnowledgeIftimepermits,letSslearnsomethingthathumanbeingshavedoneforprotectingourenvironment.HomeworkWhorecyclesthemostinyourclass?Surveythestudentsinyourclass.Thentakeaclassvote.WhoisMr.orMsRecycling?Doyou…Names一份力。recyclepaper?turnofflightsinthehouse?rideabikeshopping?BbdesignUnit15We’retryingtosavethemanatees!turnoffthelightswhenyouleavearoomoutoftrashstopridingincarswinanawardstopusingpapernapkinsraisemoneyforrecyclepaperinhersparetimebemadeof/from
