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新外研社19高中英语必修二Unit6EarthFirst-Understandingideas教案Teachingobjectives:Enablestudentstoimprovereadingabilitybysummarizingthemainidea.Leadstudentstomakethewriterspurposeclearandunderstandthedetailedinformation.Guidestudentstoanalyzethepassagecriticallyandunderstandthemoral.Helpstudentstoexpresstheiropinionsaccordingtothecontentofthepassageandtheirlifeexperience.Evaluationobjectives:Askstudentstogetthepurposeofthewritertofindoutwhethertheycanknowthetopicidea.Askstudentstogetthemainideaofeachparagraphtofindoutwhethertheycanunderstandthemainidea.Askstudentstoanalyzehowattitudestowardssharkshavechangedtofindoutwhethertheycanunderstandthedetailedinformation.Askstudentstoexpresstheiropinionsaboutsharkstofindoutwhethertheyhaveunderstoodthemeaningofthetopic.Teachingkeyanddifficultpoints:Enablestudentstounderstandthewriterspurposeandthemeaningofthetopic.Leadstudentstoknowhowattitudestowardssharkshavechanged.GuidestudentstoexpresstheiropinionsaboutSharks:DangerousorEndangeredTeachingmethods:CooperativeTeachingMethodTask-basedApproachCommunicativeApproachTeachingprocedures:Stepl Lead-inT:Helloboysandgirls.HaveyoueverseenthefilmnamedJawsHowdidthemoviedescribesharksNowletslookatthemoviespostertohelpyoulearnsomethingaboutit.Lookattheposterandanswerthefollowingquestions:.Whatwasthewomandoing.Whatelsedidyoufindintheposter.WouldyoudosolikethewomanintheposterWhy.CouldyouusesomeadjectivestodescribesharksSuggestedanswers:.Shewasswimming..Ashark..No.Becausetherewasasharknearbywhichwasverydangerous..Cruelscarybadfrighteningterrifyingterrible...Step2:Fast-readingT:Todaywellreadapassagetalkingaboutsharks.WhatsthewritersimpressionofsharksReadthepassageveryquicklyandfindouttheanswerstothefollowingquestions:Taskl:Choosetheauthor/spurposeinwritingthepassage.A.Torecommendthefilmandthebookaboutsharkstopeople.B.Toexplainpeople/smisunderstandingandimpressionofsharksandraiseawarenessofsharkprotection.C.TocriticizePeterBenchley/smisleadingdescriptionofsharksinhisbookandadvocatetheprotectionofsharks.Task2:Getthemainideaofeachparagraph:Pars.Idaws1peopleslong-heldideas:
2.Para.2Jawsmadepeoplemore3ofsharks.Para.3:Thenumberoflargesharks
4.Para.4:PeterBenchleyandexpertsideasofsharks:Sharksdont5humans.Para.5:Thefortunatethingforsharks:Morepeoplewantto
6.Suggestedanswers:Taskl:BTask2:
1.strengthened
2.greatwhitesharksweredangerousanimals
3.scared/frightened
4.fellquickly
5.target
6.protectsharksfromextinctionT:Fromthemainideaofeachparagraphwecanknowthechangesofpeoplesattitudestosharks.WhatarethechangesofpeoplesattitudesS:Atfirstpeoplehaveanormalfearofsharks.AfterwatchingthemovieJawspeoplearemorefrightenedofsharks.Graduallymorepeopleareagainstfinningandwishtoprotectsharks.T:Thenclassmyquestioniscoming.HowdidpeoplechangetheirattitudestosharksNowlet/sgetthedetailedinformation.Step3:Detailed-readingReadthepassageindetailandcompletethechart.Howattitudestowardssharkshavechanged.Suggestedanswers:angerousanimals
2.sharkswerebadanimalswimminginthesea
4.fishingforsharksandkillingthemasmanyaspossible
5.fearofsharksandfinning
6.waswrongaboutsharks/behaviour
7.toprotectharksdontseepeopleasfood
9.understandingsharks
10.protectthemfromextinctionStep4:DealwiththedifficultpointslWeseeawomanswimmingatnightinadarksea.我们看见一个女人晚上在深色的海里游泳【句子分析】seeawomanswimmingsee+宾语+doing:“看见正在做”doing作表示与宾语之间是且表示o【知识链接】seesb.do表示与宾语是主动关系,动作完成seesb./sth.done表示与宾语是被动关系【实战演练】a.IsawhimgowhenIcamein.b.lsawhimgoout.c.lsawtheboybeatbyhisfatherjustnow.2Shesurfacescriesinfeaothendisappearsforever.她浮出水面,恐惧地叫喊之后永远地消失了【句子分析】这个句子包含3个并列谓语是正式的语法结构:dodoanddo°原文不太正式【知识链接】容易与分词作状语混淆要看清结构与意义a.Heputonhiscoatpickeduphisbagandthenwentout.b.Hewentoutleavingthedooropen.【实战演练】每天早上他穿上衣服,吃了早饭,去上学译:3Thisistheopeningscenefromthe1975filmJawsshowingasharkattack.这是1975年电影《大白鲨》的开场镜头,展示了鲨鱼攻击的场景【句子分析】showingasharkattack修饰lows/乍【句式转换】把此句转变为定语从句作定语4Jowswasagreatsuccessattractinghugeaudiencesandwinningmanyawards.《大白鲨》大获成功,吸引了大批观众,赢得了许多奖项【句子分析】attracting...andwinning…这一部分是现在分词作【知识链接】agreatsuccess是抽象名词具体化,类似的词还有failuresurprisehonorcomfort等等【实战演练】这个实验失败了,引起了很多争论译:5ltstrengthenedpeople/slong-heldideaofthegreatwhitesharkasadangerousanimal.这加强了人们长期以来的认为大白鲨是种危险动物的认知观念【知识链接】与strengthen类似的构词:shorten;broaden;widen;lengthen...另一形式enrich;encourage;enlarge...PeoplehavealwaysbeenscaredofsharksbutJawsmadethingsworse.人们一直都害怕鲨鱼,但《大白鲨》让情况变得更糟糕【知识链接】scare必使害怕M/.scary令人害怕的scared感到害怕的短语scaresb.away/off把吓跑bescaredof害怕【实战演练】SeeingthefilmLindawasalmosttodeath.7ltmadepeoplefrightenedofsharksespeciallyofthegreatwhiteshark.它使人们更加恐惧鲨鱼,尤其是大白鲨【句子分析】make+宾语+形容词短语过去分词形式的形容词作宾补,表示宾语所处的状态【知识链接】make+宾语+宾补宾补可以是不定式主动时省略to被动时加to-ing、-ed、介词短语、n.、adj.0【实战演练】a.Thebookmademoreandmorechildreninterestinreading.b.Thebossmadetheworkersfinishthejobwithintwodays.c.Hewasmadesolvetheproblembyhimself.8Atthattimenobodycaredifsharkswerekilledorhowmanywerekilled.Peoplejustwantedthemkilled.那时没有人关心鲨鱼是否被杀了,以及有多少鲨鱼被杀了人们只想要它们死掉【句子分析】care后接if引导的宾语从句;want+宾语+过去分词作宾补与宾语之间是被动关系【实战演练】医生们不在乎他们自己是否将被感染他们想要病人们被拯救infect译:9Thiswasnotonlyduetofearofsharksbutalsofinning.Finningisatypeoffishingwheresharksarecaughtandtheirfinscutoff.这不仅是因为对鲨鱼的恐惧,还因为割鳍割鳍是一种捕鱼方式,在这种捕鱼方式中,鲨鱼被捕获,鱼鳍被割断【知识链接】cutoff切掉;隔离;阻断;中断dueto由于……【实战演练】a.由于这场可怕的疾病,很多人与外面的世界隔绝了译:b.由于工人们的努力,他们减少了成本费译:FinningwouldhaveanunexpectedeffectuponPeterBenchleyzthemanwhowrotethebookthefilmJawswasbasedon.割鳍带给《大白鲨》的原著作者彼得・本奇利预料之外的影响【知识链接】haveaneffect/impacton...对有影响【句子分析】theman作PeterBenchley的,其后是个定语从句,在此定语从句中thebook后是省略which或that的定语从句In1980Benchleywasdivingwhenhecameacrossanawfulsight.1980年,本奇利正在潜水,就在那时他看到了可怕的一幕【知识链接】come相关短语:实现cometrue出版comeout形成comeintobeing力口油丁快点;得了吧comeon提出comeupwithsight相关短语:看见catchsightof...第一眼atfirstsight在视野外outofsight在视野内insight12ltwasanareawherefishermenwerefinningandtheseafloorwascoveredwithdeadsharks.那是一片海域,渔民们正在这片海域采割鲨鱼的鱼鳍,海底遍布着鲨鱼的尸体【句子分析】where引导定语从句,在从句中作地点状语13Hecametoseepeopleasadangertosharksratherthantheotherwayround.他意识到人类才是鲨鱼的威胁,而鲨鱼并非人类的敌人【知识链接】theotherwayround反过来反之亦然Suggestedanswers:⑴【句子分析】宾补;主动关系;正在进行【实战演练】a.going;b.go;c.beaten2【实战演练】Everymorningheputsonhiscoathasbreakfastandgoestoschool.3【句子分析】后置定语【句式转换】Thisistheopeningscenefromthe1975filmJowswhichshowsasharkattack.⑷【句子分析】伴随状语【实战演练】Theexperimentwasagreatfailurecausingmanyarguments.6【实战演练】scary;scared7【实战演练】a.interested;b.finish;c.tosolve8【实战演练】Doctorsdontcareif/whethertheywillbeinfected.Theywantpatientssaved.9【实战演练】a.Duetotheterriblediseasemanypeoplearecutofffromtheoutsideworld.b.Duetotheworkerseffortstheycutdownthecost.10【句子分析】同位语Step5:ReadforuseRetellpeopleschangesintheirattitudestowardssharks.Useproperlinkingwordswhennecessarytomakeyourtalkwellorganized.Youcanrefertothisstructure:BeforethemovieJaws...ThenthemovieJawsstrengthened...Asaresult...HoweverzwhenPeterBenchleysawanawfulsight...hechangedhisattitude.Fortunately...Homework:Writeashortpassagetoshowyourideasaboutthetopic:Sharks:DangerousorEndangeredwithinlOOwords教学反思.通过本节课对文章目的与结构的学习,学生能够把握说明文的文体特征.通过本节课中对细节的理解与复述学生能够深入思考探究主题意义.通过本节课的读后任务,学生能够逻辑性地连词成句与表达自己观点的能力Peoplehaveanormalfearofsharks.^Peoplehavealwaysbeenscaredofsharksbecausetheyareconsidered
1.Peoplearemorefrightenedofsharks.回PeoplewhosawthefilmJawsbelievedthat
2.回Somepeoplestopped3whileothersstarted
4.EThenumberoflargesharksfellquicklydueto
5.Morepeopleareagainstfinningand团PeterBenchleyadmittedthathisbook6andfought7_them.回Expertshaveprovedthat__8_andtheyattackusbymistake.wishtoprotectsharks.ESomepeoplebecameinterestedin9andmorearewillingto
10.。