高中英语第二册上Unit 9 Saving the earthVIP免费

Unit9Savingtheearth一．教学目标与要求1.Achievelanguageskillsandrelatedknowledgeaboutnature,ecologyandtheenvironment.2.Learntousesomesentencestructures.二．教学重点与难点1．话题1）Talkingaboutnature,ecologyandtheenvironment.2)Talkingabouthowtosavetheearth.2．重点词汇ecology,coal,summarize,content,representative,killer,access,violence,premier,stress,equality,fairness,responsibility,willingness,harmony,wipe,per,alternative,defend,incorrect,affect,advisetheUnitedNations,takepartin,takeaction,airconditioner,inharmonywith…,putanendto,wipeout,advisesb.(not)todosth.3．重要句型1)Ifwearetodeveloptheworldsuccessfully,wemustmakesurethat…2)AmongthespeakerswasChina’sPremierZhuRongji.3)Richcountriesmustdowhatevertheycantohelpothers.4)Whatarethebiggestproblemsfacingtheearth?5)Itwasthesepeople’swillingnesstoworkhardandwellthatimpressedmemost.4．语法常见的倒装句式：1)Thereexistseriousproblemsandthereisstilltimetotakeaction.2)Notuntilweknowmorewillwebeabletoimprovethesituation.3)Onlybychangingthewaywelivecanwesavetheearth..4)HadIknownthatairconditionerscausesomuchpollution,Iwouldneverhaveboughtone.5)Abetterunderstandingoftheenvironmentisnecessary,asisthewillingnesstoact.5.日常交际用语表明支持某种意见(Supportinganopinion):Wemustmakesurethat…It’sclearthat…Ibelievethatwemust…I’mallfor…Ifnothingisdone…,then…Ican’timaginethat…Sure/Certainly/Absolutely.Itwouldbebetterifwe…Isthereabetterwayto…?三．课型(一)Warmingup,listening&speakingⅠ教具录音机；多媒体等。Ⅱ课堂教学设计Step1教师可通过以下开场白，导入正课：用心爱心专心115号编辑T:(Begintheclassbyshowingsomepicturesofseriousenvironmentalproblems.)Lookatthepicturesonthescreen.Whatcanyouseeinthepictures?S:Icanseeariver,whichispolluted.AndIcanseesmokecomingfrommanychimneys,andtheairisdark.Theairispolluted…T:Aswecansee,ourearthisseriouslypollutedfrommanyaspects.Sowemusttakeactiontoprotecttheenvironment.Step2热身训练AsktheSssomequestions.1)What’sthebiggestproblemfacingtheearth?Whydoyouthinkso?(Ithinkitisthewaterpollutionthatisthebiggestproblem.Becauseifwaterispolluted.Peoplewillnotbeabletogetcleanwatertodrink;therefore,manypeoplewillgetsick…)2)Whatcausestheproblem?(Becausepeoplepaynoattentiontoourenvironment.Theypourwastewaterintorivers,lakesandseaswithoutcleaningit…)3)Whatcanwedotosolvetheproblem?(Leadersfromdifferentcountriescanholdameetinganddiscusshowtosavetheearth.)T:Bylearningsomethingaboutenvironmentalproblems,weshouldpayattentiontotheproblemsandtakeactiontoprotecttheenvironment.Step3听力训练Makethestudentsclearaboutthetasksfirst,andtellthemwhattheyshoulddoafterfinishingthetape.T:Tolearnmoreaboutourenvironment.Youaregoingtohearapersonmakingaspeechtotheaudience.First,pleasereadtherequirementsquickly.Youareaskedtohaveaguesswhatthepersonwillsaynext..(Playthetapetwice.FinishPart1/2andchecktheanswers.)Step4口语表达1.Encouragestudentstobebraveenoughtopractice,andguidethemtofinishthespeakingtaskinthebook.T:Lookatthesituationonthescreen.Workingroupsoffive.Youshouldplaydifferentroles:abusinessman,ascientist,alocalcitizen,anenvironmentalistandalocalleader.Pleasediscusstheissuefirstandthelocalleadershouldsummarizeandmakeadecision.2.Allowthemfiveminutestodothegroupwork.3.Askstudentstogivetheirperformance.Samples:A:Todayweareheretodecidewhetherweshouldburnthecoal.Pleasetelluswhateveryouthink.B:Ithinkweshouldburnthecoal.Ifwedon’tburnitnow...