1、三峡水电站三峡水电站伊泰普水电站伊泰普水电站溪洛渡水电站溪洛渡水电站The largest？Words Big Bang 词汇大爆炸词汇大爆炸Task 1：自主学习（：自主学习（Self-study）dreamLearn to use submergeenergyharnesshistoricalpoem generatenarrowglobalThree Gorges DamThe damwhowhywhatTask 2：Question in your mind（思考）（思考）walls of stone to hold back clouds and rain till a smooth
2、 lake rises in the narrow gorgesA dam across the Yangtze River Task3：Dream&Idea 更立西江石壁更立西江石壁 截断巫山云雨截断巫山云雨 高峡出平湖高峡出平湖Mao Ze dongDream Sun Yat-sen Idea Three Gorges Dam Mao Zedong wrote a poem _ he dreamed of“walls of stone to _ clouds and rain till a smooth lake rises in the narrow gorges”.Now his dr
3、eam has _.The power of the Yangtze river,which is the worlds third_ river,has been _ by the Three Gorges Dam.in whichhold backcome trueTask4:Can you fill in the blanks?(原文呈现原文呈现)Sun Yat-sen,_ was the leader of the 1911Revolution,first _ the idea of a dam _ the Yangtze River in 1919.whosuggestedacros
4、slongestharnessedGreat minds think alike!the Three Gorges Dam英雄所见略同英雄所见略同dream,generate,harness,hold back,come trueEverybody has a _.I also dream of _ electricity by _ the sea water,for there is plenty of sea water for us to make use of.So I am devoting all my time to researching it,and no one can _
5、 _ my ambition,I strongly believe that in the near future my _ will _ _.dreamgeneratingharnessinghold backdreamcometrue Task5:Can you fill in the blanks?(巩固训练巩固训练)Task 6：Can you introduce the dam?The Three Gorges Dam.FeatureHeight Width Cost It is nearly _meters high.It is nearly _kilometers wide.It
6、 is the _(big)construction project in China and the _ (large)hydro-electric power in the world.It cost _ than_ _construction project in history.biggestlargest200any other1.5moreChina is larger than _ _countries in Asia.China is larger than _country in Africa.Grammar Focus(语法聚焦)anyotherany关键看清范围是否排除自
7、身关键看清范围是否排除自身Task 7：What s the relationship between burning coal and building the dam?_quarters of Chinas energy is produced by burning coal.In 1993,China used_ billion tons of coal for _and _electricity.Unfortunately,burning coal causes serious air pollution and increases global warming.The dam wil
8、l generate electricity _to about_million tons of coal without _ so much air pollution.Three 1.2heatinggeneratingequal40causing Generate electricityIn the past Nowadays burning coal Harness the damCause serious air pollutionWithout causing much pollution合作探究（合作探究（Group task）AdvantagesDisadvantages1.1
9、.2.2.3.3.the Three Gorges Damhold back floodingproduce powercontrol water flowimprove irrigation(灌溉）灌溉）improve navigation(河运）河运）reduce pollution flooded cities&counties people leaving home historical sites being submerged species will be affected the land turning poorerQu Yuan templeMoya Cliff Carvi
10、ngsWhat do you think of the Three Gorges Dam?点拨释疑点拨释疑拓展提升拓展提升Greg:Greg:Hi Guys,what do you think of the Three Gorges Dam?Student 1:Student 2:Student 3:Role play (角色扮演）角色扮演）建设中的港珠澳大桥岛隧工程建设中的港珠澳大桥岛隧工程Hong KongZhuhaiMacau Bridge胶州湾跨海大桥胶州湾跨海大桥Jiaozhou Bay Cross-sea Bridge万里长城万里长城The Great Wall3DPrinting
11、 Houses华夏应无恙 当惊世界殊The stronger the youngster,The more powerful our nation will be The wiser the youngster The higher position our nation will have The more progress the youngster make The more independent our nation will be 回顾总结回顾总结What have we learned？One damTwo figuresThree gorgesAdvantagesDisadva
12、ntages Homework(Compulsory必做必做):write an email to tell the editor of China Daily that you have some good advice on how to protect the historical sites.(optional选做选做):Find more information about Hoover Dam and compare it with the Three Gorges Dam,presenting some similarities and differences between t
13、hem.(Buffet 自助餐作业自助餐作业)：preparing a new bulletin about changes that have taken place in your hometown.(Compulsory必做必做):Write an email to tell the editor of China Daily that you have some good advice on how to protect the historical sites.(optional选做选做):Find more information about Hoover Dam and compare it with the Three Gorges Dam,presenting some similarities and differences between them.(Buffet 自助餐作业自助餐作业)：Prepare a new bulletin about changes that have taken place in your hometown.
