高中英语Module6OldandNewPeriod2教案外研版

外研版必修三unit6Period2ReadingandVocabulary整体设计教材分析本节的精读材料是我国的三峡工程建设,是近年来我国最重要的基础建设之一并将给我们带来很大的便利。通过学习,学生能够得到更多关于这一建设的利弊的情况。练习速读和略读并掌握重要的语言点。三维目标1.知识与技能1)Trainstudents’readingability.2)Learnsomeusefulwordsandexpressions.3)LearnsomeinformationabouttheThreeGorgesDam.2.过程与方法1)MakestudentsknowmoreabouttheThreeGorgesDamthroughreadingmore.2)Encouragethemtodomoreforpeople.3.情感与价值ThroughthestudyofthisperiodstudentswillsurelyhaveabetterknowledgeoftheThreeGorgesDam.Asthebuilderofafutureworld,itisamustforthemtolearnsomeinformationaboutsomewondersofourcountry.教学重点1.Helpstudentstounderstandthepassagebetter.2.Learnandmastersomeimportantwordsandphrasesinthisperiod.教学难点Howtohelpstudentstounderstandthepassagebetter.教学方法1.Fastreadingtogetthegeneralideaofthetext.2.Intensivereadingtounderstandthepassagebetter.3.Discussiontohelpstudentsunderstandwhatthey’velearnedbetter.4.Explanationtohelpstudentsmastersomelanguagepoints.教学过程→Step1RevisionandLead-in1.Checktheirhomework.2.OptionOneLeadinbydefiningagorgeOptionTwowonderfulcliffsrivergorgesitessubmergedrelicslakeCompletethearticlewiththesewords:TheThreeGorgesTheYangtzeRiver,whichflowsfor6380km,isthelongest_____________inChina.ThemostbeautifulpartistheThreeGorges.TheQutangGorge,whichisonly8kilometreslong,isfamousforitshigh_____________.TheWuGorge,whichis44kmlong,isknownforits_____________sceneryandquietbeauty.ThefamousXilingGorge,whichisthelongestandmostdangerous_____________,hasmanyhistorical_____________withancient_____________.ThispartoftheYangtzeRiveris_____________foreverintheartificial_____________behindtheThreeGorgesDam.Suggestedanswers:rivercliffswonderfulgorgesitesrelicssubmergedlake→Step2Pre-Reading1.Theteachermaylistthenewwordsontheblackboard.Theteachermayreadthewordsandaskstudentstoreadafter.carvingsconstructionrelicsitetempleCheckthemeaningofthesewords:Nowdecideifthesentencesaretrue(T)orfalse(F).1Carvingsaremadebyanimals.2Constructionisanotherwordforbuilding.3Relicsarethingsthatweremadeinthelast100years.4Siteisanotherwordforlocation.5AtempleisaplaceofgreatimportancetoBuddhists.Suggestedanswers:1F2T3F4T5T2.Checkthemeaningofthesewords:dream(v.)energygenerateharnesshistoricalnarrowpoempowerpowerstationsubmergesuggest→Step3Languagepoints1.constructionn.building建造;建设;建筑Herfatherwasinjuredduringtheconstructionoftherailwayline.她父亲在修铁路时受了伤。Thenewairportisstillunderconstruction.新机场仍在修建中。【搭配】constructionsite建筑工地capitalconstruction基本建设beunderconstruction正在建设中相关1)联想比较:destructionn.破坏2)派生词:constructionaladj.建造的,建设的constructiveadj.建设性的,有助益的练习单项选择:1)ThemayorofBeijingsaysthatall_____________workfortheBeijingOlympicswillhavebeencompletedby2022.A.constructionB.repairC.structureD.site填空:2)Therearetwonewhouses_____________construction.答案:1)Aconstructionwork意思是“建设方面的工作”。2)under2.generatevt.togivebirthto发(电)In1993,Chinaused1.2billiontonsofcoalforheatingandgeneratingelectricity.1993年,中国用了12亿吨煤供取暖和发电。Whencoalburns,itgeneratesheat.煤燃烧时,产生热量。相关1)同(近)义词:producen.&v.生产2)派生词:generationn.产生,发生(不可数)generatorn.发电机,发生器generativeadj.能生产的,有生产能力的3)联想:generaladj.全体的,普遍的;generousadj.慷慨的,大方的练习选词填空:(generation;generator;generative;generate)1)Thecloneofthe_____________cellsisillegalinmanycountries.2)Thisisthenewest_____________usedinmanyways.3)Theolder_____________doesn’tlikepopmusic.4)Thehatredwas_____________byracialprejudice.答案:1)generative2)generator3)generation4)etrue(梦想等)变成现实Hisdreamcametruethathewantedtobeateacher.他想当老师的梦想变成了现实。Mydreamshaveatlastcometrue.我的理想最终实现了。【归纳】cometrue由连系动词come+形容词true构成,是不及物动词短语,没有被动语态。类似的表达:1)“存在”类:表示存在或具有某种特征或状态。常见的有:be(是);look(看起来);feel(摸上去);seem(似乎是);appear(似乎；显得);prove(证明是);smell(闻起来);taste(尝起来);sound(听起来)。2)“持续”类:表示某种情况或状态的持续。常见的有:remain(依然);keep(保持);stay(保持);continue(继续；仍旧);stand(处于某状况或情形)。3)“变化”类:表示由一种情况或状态变化成另一种情况或状态。常见的有:become(变成),turn(变成),grow(变得),go(变得)等。练习1)Hisdreamofbecominganactor_____________atlast.A.wascometrueB.cametrueC.wasbecometrueD.becametrue2)改错:Hisdreamofbeingadoctorwascometrue.他当医生的愿望实现了。3)翻译:这是一个实现了的梦想。答案:1)B本句意为“他做演员的梦想终于成为现实”。2)was→has3)Thisisadreamthathascometrue.4.submergev.todipinthewater,tojoin浸入水中;淹没Thestreamoverflowedandsubmergedthefarmland.河水泛滥,淹没了农田。【归纳】1)submerge也可以表示为submerse。2)submerged是其形容词,意思是“浸没的;暗中的;隐蔽的”。例如:Theboatwasdrivenontoalineofsubmergedrocks.小船搁浅在一排水下暗礁上。3)前缀sub表示“副……；下的……”。练习猜出下列单词的含义1)sub-way_____________2)sub-conscious_____________3)submarine_____________4)subtropical_____________5)subtitle_______________6)Herhappinessatseeinghimsubmerged_____________herformerworries.答案:1)地铁2)下意识的3)海下的4)亚热带的5)副标题6)忘记了,掩盖了5.suggest1)suggestvt.givesomeoneanidea;saythatsomethingwillbepossible意为“建议；提出建议”,后接名词、代词或动词的-ing形式,不可接动词不定式。Theeditorpraisedhispaper,acceptedit,andsuggestedonlyonechange.编辑表扬了他的文章并收下了它,只建议作一处修改。TeacherLisuggestedgoingovernewphrasesandexpressions.李老师建议复习新学的词组和短语。2)suggestvt.后接that从句表示“建议某人做某事”,从句谓语用虚拟语气,即should+动词原形或单用动词原形,也可用其他形式,但不可用suggestsb.todosth.的结构。TheshopassistantsuggestedthatJack(should)comeanotherday.营业员建议杰克改日再来。MrSmithsuggestedthathiswife(should)wearajacket.史密斯先生建议他妻子穿夹克衫。3)suggestvt.bringtomind表示“提出看法”“暗示”时后面的从句用陈述语气。Hisexpressionsuggeststhatheisn’treallyinterested.他的表情表明他并不真的感兴趣。CouldyousuggestwhereIcanparkthecar?你能提出我该在哪里停车吗？练习Shesuggested_____________theWestHillthisSunday.A.wepayavisitB.tovisitC.avisittoD.wevisiting答案:Csuggest“建议”的搭配。A项后面需要加上一个to;suggest后面不加不定式,B项错;suggest后面加从句要用虚拟语气,D项可以改为wesuggest。C项是一个名词,后面加介词作定语,选C项。Nowanswerthequestionsbeforereadingthepassage.1MaoZedongwroteapoeminwhichhedreamedof“wallsofstone...”DidMaoZedongactuallyseethewallsofstone?2ThepoweroftheYangtzeRiverhasbeenharnessedbytheThreeGorgesDam.Doesthismeanthatthepowercanbeusedornot?3SunYat-senfirstsuggestedtheideain1919.DidSunYat-senthinkoftheideahimselforhearitfromsomeoneelse?4About800historicalrelicshavebeensubmerged.Isitpossibletoseetherelicsnowthattheyhavebeensubmerged?Askstudentstoanswerthequestionsindividually,andthencheckthemwithapartner.Suggestedanswers:1No,hedidn’t.2Itmeansthepowercanbeused.3Hethoughtofithimself.4No,itisn’t.→Step4ReadingReadthepassageagainandwritequestionsfortheanswers.Example:Whichistheworld’sthirdlongestriver?TheYangtzeRiver.1Why____________________________?Tocontrolfloodingandprovidehydro-electricpower.2Howhigh____________________________?Twohundredmetres.3How____________________________?Oneandahalfkilometres.4Who____________________________?SunYat-sen.5Howmuch____________________________?Threequarters.6Howmany____________________________?Fourthousand.Askstudentstoanswerthequestionsindividually,andthencheckwithapartner.Suggestedanswers:1wastheThreeGorgesDambuilt2highisthedam3wideisthedam4firstsuggestedtheidea(ofadamacrosstheYangtzeRiver)5ofChina’senergyisproducedbyburningcoal6villageswerefloodedwhenthedamwasbuilt→Step5ReadingandDiscussionOptionOneWorkingroups,anddiscussthequestions.1WhataretheadvantagesoftheThreeGorgesDam?2Whatarethedisadvantages?3Doyouthinktheadvantagesaremoreimportantthanthedisadvantages?Dividestudentsingroupstodiscussthequestions.Callbacktheiranswersinawholeclasssetting.Trytostartadiscussion:Whichismoreimportant?Suggestedanswers:1Cleanerandcheaperenergy.2Floodedtownsandvillages,peoplemovedfromtheirhomes,losthistoricalsites.3Opendiscussion.OptionTwoMultiplechoices:1.WhyistheThreeGorgesDamconstructed?A.ToharnesstheYangtzeRiver.B.TocontrolfloodingandprovidepowerforthecentralregionofChina.C.Toreducetheairpollutioncausedbyburningcoal.D.TorealizeMaoZedong’sdream.2.Whocameupwiththeideaofconstructingthedam?A.MaoZedong.B.SunYat-sen.C.Thegovernment.D.Someexperts.3.WhichofthefollowingistrueabouttheThreeGorgesDam?A.Itiswallofstonetoholdbackclouds.B.Itisthethirdlargestdamintheworld.C.Itisnearly200metreshighand15kilometreswide.D.Ithascostmorethananyotherconstructionprojectinhistory.4.Whatwillbethebenefitaftertheconstruction?A.Manycities,townsandvillageswillhavebeenflooded.B.Morethanonebillionpeopleintheregionwillhavemovedfromtheirhomes.C.TheThreeGorgesDamareawillhavebecomeoneofthemostbeautifulareasofChina.D.Manyfamoushistoricalsiteswillhavebeenflooded.5.WhatdoesthewriterthinkoftheconstructionoftheThreeGorgesDamaccordingtothepassage?A.Therewillbemoreadvantages.B.Itwillbringsomeproblems.C.Thedisadvantagesaremuchmorethanadvantages.D.Notmentionedatall.Suggestedanswers:1～5BBDCA→Step5SummaryandHomeworkInthisperiod,wehavelearnedtheadvantagesanddisadvantagesofthebuildingoftheThreeGorgesDam.Itisaboutourcountryandlife,soitisimportantforustogetmoreinformationaboutthem.Alsotherearesomeimportantwordsandexpressionsinthepassage.Homework:Readthepassageandchoosetherightanswers.(Showthefollowingontheblackboard.)TheLargestEngineeringProjectTheThreeGorgesDam,thelargestdamintheworldisalsothelargestengineeringprojectonthefaceoftheearth.Itaimstomakethemotherofallfloods,theYangtzeRiver,intoatameriver,makingelectricityandpowermuchofeasternandcentralChinawithits18200megawattselectricity.Itwillcreateahuge,deep-waterlake,andmakeitpossiblefor10000-tonocean-goingshipstosail1500milesinlandfromthePacifictothecityofChongqingwithits15millionpeople,makingittheworld’slargestseaport.Constructionhasalreadystarted.Thedamwillbeabout6860feetwideand611feethigh,ataspotcalledSandoupingnearYiehang.Itisobviousthatsuchagrandprojectwilldoagreatdealofgood.Mostimportantisfloodcontrol.Bybuildingadaminsteadofnewcoalplantstomeetitsgrowingdemandforelectricity,Chinawillgiveoffmuchlesspoisonousgasesintotheair.However,somescientistsdon’tagreetotheproject.TheysaythatChongqinganddozensofothercitiesalongtheriverwillputmuchwasteintothelake,whichcandoharmtopeople,fishandotherlivingthingsthatdependontheriver.Sedimentation(沉积),thedamageofabreachareproblems,too.TheThreeGorgesDamcouldbeconsidered,whenitisfinishedin2009,aneweighthwonderoftheworldastosizealone.1.Whichisnotthepurposetobuildsuchahugedam?A.Tomakeelectricity.B.Topreventfloods.C.Toimprovenavigation(航运).D.Tomakeitawonder.2.Wheredoesthedamlie?A.NearChongqing.B.NearYiehang.C.InChongqing.D.InWuhan.3.Itwilltakeabout_____________tocompletethedam.A.10yearsB.morethan10yearsC.halfacenturyD.acentury4.Somescientistsfearthat_____________.A.whenthedamisbuilt,thebalanceofnaturemaybedestroyedB.largeshipwilldestroyt