Unit2 Extended reading 公开课教案-唐德清

2/2Unit2Extendedreading公开课教案巢湖市第六中学唐德清I.LearningobjectivesBytheendofthelesson,studentswillbeableto:1.masterthefollowingcorevocabulary:origin;frequency;motive;investment;calculate;coverage;mechanics;assistant;incredibly2.usethecorevocabularyinnewcontext;3.graspandapplytheskills:Understandingwordsincontext;4.analysesomecomplexsentencesinthetext.II.Keycompetencefocus1.Masterandusethecorevocabularyinnewcontext.2.Graspandapplythenewreadingskills.III.Predictedareaofdifficulty1.Howtousethecorevocabularyinnewcontext.2.Howtounderstandsomecomplexsentencesinthetext.IV.TeachingproceduresTgreetstheclass.T:Classbegins,boysandgirls!Goodmorning/afternoon!Step1Reading1.ReadingforthemainideaofthetextandoutlinethetextT:Gothroughthemagazinearticleandfindoutthemainideaofthetext.T:Nowyouhavereadthroughthewholetext.What’sthegeneralideaofthetext?T:Right.Thetitle“Whyweexplore”hastoldusthethemeofthetext.Themainideais“Reasonsforspaceexploration”.T:Whatshouldwedotoworkouttheoutlineofthetext?T:Inanexpositorytext,you’llfindeveryfirstsentenceofeachparagraphisthesubjectsentenceoftheparagraph.Condenseandreshapethesentences,andyou’lloutlinethetext.T:Wehavefoundthattherearefivereasonsforspaceexploration:ourowninstinct,learningaboutuniverse,civilapplicationoftechnologiesforspaceexploration,economicbenefits,andeducationandinspirationofthenextgeneration.T:Nowwecanoutlinethetextasfollows:SampleanswerAP26:Reasonsforspaceexploration1Itisinournaturetoexplore.2Itenablesustolearnmoreabouttheorigin,evolution,andlikelyfutureoftheuniverse.3TechnologiesfirstresearchedanddevelopedforspaceexplorationcanbeusedtosolvesomeofthebigproblemsontheEarth.4Weprofiteconomicallyfromthespaceindustryanditalsocreatesjobs.5Iteducatesandinspiresthenextgeneration.【设计意图：首先获得文章的主旨，再获得文章的主干信息，由此形成课文的概要。关于如何写文章的概要，可以观看本课对应的微课：Howtowriteasummary.】2.ReadingforthedetailsT:Readthetextagainandfillintheblankswiththegivenwordsintheirproperforms.economy,education,explore,discovery,investment,origination,learn,knowWhydowehaveinterestinthe(1)________ofthespace?Humandesiredrivesustoknowthe(2)________.Asaresult,welearnmoreabouthowtheuniverse(3)________andevolves.Thenwecanpredictwhereitgoes.Withmoreabouttheuniverse(4)________,wemayfindlifeintheouterspace.Asspacetechnologieslikeshockabsorbersandliquidhydrogen(5)________andresearched,wemaysolvesomebigproblemsontheEarth.Thoughwehave(6)________thespaceindustryhugely,thespaceindustrycancreatejobsandbenefitus(7)________.What’smore,thenextgenerations(8)________andinspiredtoparticipateinit.Answers:1.exploration2.unknown3.originates4.learnt5.arediscovered6.invested7.economically8.areeducated【设计意图：此处是获取文章细节信息。短文是本文的一种概要，学生须回到文中找相关信息，填写中要特别注意原文句式与概要中句式的不同，如with+复合宾语已转换成了as引导的状语从句。还有词形结构发生了变化，如economy改为economically。设计将细节阅读、wordfamily技巧、语法填空和概要写作四者融合在一起。关于如何写文章的概要，可以观看本课对应的微课：Howtowriteasummary。】3.BP26Discussion1T:Thearticletalksabouttheadvantagesofspaceexploration.Doyouagreeordisagreewiththeauthor’sopinion?Why?Sampleanswer:Iagreewiththeauthor’sopinion.Theexplorationofspacehasbroughtustechnologiesthatweuseinoureverydaylives.Forexample,thesmallcamerasthatwefindonourmobiledeviceswerefirstdevelopedsothattheycouldbeusedonthespacecraft.Idonotagreewiththeauthor’sopinion,becausethefocusshouldbeondevelopingtechnologytokeeptheEarthandallitsinhabitantssafeandhealthy.IthinkthatpreventingclimatechangeismoreimportantthanhurryingtomakeadvancesintechnologythatarenotnecessaryforlivingwellontheEarth.4.CP26Discussion2T:Ourexplorationofspacehasalreadytaughtusmanythings.Whatdoyouthinkthefutureofspaceexplorationholdsforhumanunderstanding?Givereasonsforyouropinionandsupportyourreasonswithevidence.Sampleanswer:Thefutureofspaceexplorationwillexpandourunderstandingofourroleashumans.Asspaceexplorationrevealsmoremysteries,ourperspectiveofourplanetandourselveswillchange.Pastspaceexplorationraisedawarenessoftheneedforglobalsolutionstochallenges.Furthermore,spaceexplorationrequiresglobalcooperation,whichisalreadypractisedontheInternationalSpaceStation.Hopefully,futureknowledgewillhelpusbetterunderstandtheimportanceofworkingtogethertosolveotherproblemsontheEarth,suchaspoverty,hungerandwar.【设计意图：此处是课文的延伸，是活用课文知识，运用知识表达自己的思想。】Step2BuildingCorevocabularyTDirectthestudentstolearnthecorevocabulary.1.originn.starting-point;sourcen.person’sparentage,background,etc.originn.originaladj.originallyadv.2.frequencyn.rateofoccurrenceorrepetitionofsth.n.rateatwhichasoundwaveorradiowavevibratesfrequencyn.frequentadj.frequentlyadv.3.motiven.thatwhichcausessb.toactinaparticularway;reasonadj.causingmovementoractionmotiveadj.motivelessadj.motivatev.motivationn.4.investmentn.theuseofmoneytogetaprofitortomakeabusinessactivitysuccessful,orthemoneythatisusedinvestv.investmentn.investorn.see:invent,invite5.calculatev.work(sth.)outbyusingnumbersorone’sjudgement;estimatecalculatev.calculationn.6.coveragen.reportingofevents,etc.n.extenttowhichsth.iscoveredcoverv.coveragen.coverv.uncoverv.,discoverv.7.mechanicsn.scienceofmotionandforce;scienceofmachinery(pl.)n.(a)workingparts(ofsth.)machinen.mechanicsn.mechanicaladj.mechanicallyadv.8.assistantn.someonewhosejobisjustbelowthelevelofmanager,etc.assistv.assistantn.,assistancen.9.incrediblyadv.extremely,inanincrediblemanneradv.inawaythatishardtobelieveincredibleadj.incrediblyadv.T:Fillintheblankswithproperformsofthegivenwords.1.Thereisa________(frequency)busserviceintothecentreoftowneveryday.1.frequent2.Theyfoundtheircomputersproducingdifferentresultsfromexactlythesame________(calculate).2.calculation3.Feelingdepressed,shespoke________(mechanics),asifthinkingofsomethingelse.3.mechanically4.Anoldwomanwasbadlyhurtinanapparently_______(motive)attackfromthementalpatient.4.motiveless5.Intheeconomiccrisis,wedidnotevenmakeenoughmoney_______(coverage)thecostofthefood.5.tocover6._______(origin),wehadintendedtogotoItaly,butthenwewonthetriptoGreece.6.Originally7.Theyoungnursewasverynervouswhenshe_______(assist)atherfirstoperation.7.assisted8.Thecompany_______(invest)largeamountsoffundsandmanpowerforthedevelopmentofnewproductsinthepastthreeyears.8.hasinvested9.Itseemed_______(incredibly)thatpeoplewouldstillwanttoplayfootballduringawar.9.incredible10.Toselectvolunteers,youmayneedtounderstandthe_______(motivate)ofthepeopleyouwishtoattract.10.motivation(s)【设计意图：此处是运用Lesson2的B2P19所学习的Wordfamilies(Wordformation)知识，展开核心词汇演变形式。学习核心词的方法因学生水平和学习能力而定，可采用直接展示（较快），也可采用步步推进式地学习（较慢）。本节采用先集中讲解，后集中练习，练习也可以课外完成。】Step3UnderstandingthecomplexsentencesT:Thankstothelengthandcomplexgrammaticalstructure,somesentencesinthetextarehardtounderstand.However,ifyoucanfindoutthemainbodyofthesentence,itwillbemucheasierforyoutounderstandthewholesentence.Nowlet’strysomesentences.1.Therealityisthatspaceexplorationisextremelydifficultanddangerous,cantakeaverylongtimeandcostsahugeamountofmoney.(Para.1)1.Themainbodyofthesentenceis“Therealityisthat…”Theconjunction“that”guidesthepredicativeclause,inwhich“spaceexploration”issubject.Afterthesubject,thereisacopula-predicativestructure,andtwopredicate-objectstructure.2.Somepeoplebelievethatwhilespaceexplorationexpandsourunderstandingoftheuniverse,itisawasteofthepublicpurseanddoesnothingtoenhancethequalityofourliveshereontheearth.(Para.1)2.Themainbodyofthesentenceis“Somepeoplebelievethat…”Theconjunction“that”guidestheobjectclause,whichincludesanadverbialclauseguidedby“while”andasub-mainsentence.3.Witheachspacemissioncomesgreaterinsight,thusmotivatingustocontinuealongthesamepathofadventure.(Para.2)3.Thisisaninvertedsentencewithitsusualorder“Greaterinsightcomeswitheachspacemission…”Thepart“motivatingusto…”ispresentparticipleusedasadverbial.4.Theresultsofthesespaceinvestigationshavemademajorcontributionstoanunderstandingoftheorigin,evolutionandlikelyfutureoftheuniverse,suchasplanets,stars,andallotherformsofmatterandenergy.(Para.3)4.Themainbodyofthesentenceis“Theresults…havemademajorcontributionstoanunderstanding…”.5.ItisthroughourresearchintospacethatwehaveconfirmedthattheEarthisroundandthatitorbitstheSun.(Para.3)5.Anemphasizedpattern“It…that(first‘that’)…”isusedinthesentence.Thepart“throughourresearchintospace”isemphasized.Thesecond“that”andthethird“that”guidetwoobjectclauses.6.Withtechnologiesfirstdiscoveredandresearchedinspaceexploration,wecansolvesomeofthebigproblemsfacingmankind,makingourlivessaferandeasier.(Para.4)6.Themainbodyofthesentenceis“…wecansolvesomeofthebigproblems…”Thepattern“with+complexobject”isusedatthebeginningofthesentence.Thepresentparticiple“facingmankind”modifiesproblems.Thepresentparticiple“makingourlivessaferandeasier”modifies“solve”.7.Itisthiscycleofinspirationfromadulttochildthatkeepsourthirstforknowledgealiveandensuresthatadvancesinspaceexplorationandmanyotherfieldsarealwaysbeingmade.(Para.6)7.Anemphasizedpattern“It…that(first‘that’)…”