重大版高中英语4册Unit4教案

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1、Unit4ThreeGorgesTeachingAims:1.Knowtheuseofthenewwords-2.ImprovetheSs5readingabilityTeachingImportantPoints:1.ImprovetheSs，readingability.2.Thenewwords.3.LanguagepointsTeachingDifficultPoints:ImprovetheSs?readingability.Masterthenewwords・Languagepoints.TeachingAids:ataperecorderap

2、rojectortheblackboardTeachingprocedures:Period1gettingreadyStep1:greetingStep2:freetalkThreegorgesDoyouliketraveling?HaveyoueverbeentotheThreeGorges?Canyougiveadescriptionofyourexperience?Doyouknowthenamesofthethreegorges?Threegorges:瞿塘峡巫峡西陵峡Step3:briefintroductionofThreegorgesLoo

3、katthepicture.三峡水电站，乂称三峡工程、三峡人坝。它是世界上规模最大的水电站，也是中国有史以來建设最大型的工程项目。三峡水电站1992年获得中国全国人民代表大会批准建设，1994年」E式动工兴建，2003年开始蓄水发电，于2009年全部完工。移民是三峡工程最大的难点，在工程总投资屮，川于移民安置的经费便占到了45%o由于重庆市在移民问题上的积极性和主导性，1997年6月14H,中央政府决定将重庆升格为总辖市.Step4:task1Lookatthemapandcompletethefollowingtasks.1)Findtheareawhi

4、chistobefloodedinthemapandcircleit.2)MarkoutthesiteoftheThreeGorgesDam.Step5:task2WiththeclosureoftheThreeGorgeDamacrosstheChangjiangRiver,whatdidthepeopletherehavetodo?Theyhadtoleavetheirnativeplace(where)andresettleinsomehigherplacesorevenotherprovinces（where）.Step5:task3Readthe

5、followingwordsfromthearticle.Consultyourdictionaryiftheyarenewtoyou.MigrateMigrantsMigrationEvacuatemigrate[fmaigreit]vi.1.迁移;移居2.（候鸟等）定期移栖;（鱼群）回游WhendidAsiansbegintomigratetotheUnitedStates?亚洲人何时开始向美国移民的?Largenumbersofbirdsmigratesoutheverywinter.每年冬季人量的鸟类迁徙南方°migration[maigreiar

6、t]n.1.迁移;（候鸟等的）迁徙[U][C]2.移民群;移栖动物群[C]migrant['maigr^ntjadj.移居（尤指移出国境）的;流浪的/7.1.移民;移居者2.候冈3.随季节迁移的民工（或动物）evacuate[ivcekjueit]vt.1.撤空,撤离;从…撤追2.使避难，使疏散f（+from）]Thevillagewasevacuatedbecauseofflood.由于洪水这个村了已经撤空。Thecivilianswereevacuatedfromthecitytofarms.百姓被从城里疏散到j"农庄。Step6:summaryand

7、homework1.Aftermeticulousfeasibilitystudiesbyexperts,itwasfinallyconcludedthatthemeritsoftheprojectfaroverweighitsdemerits.OnApril3,1992,theNationalPeople'sCongressapprovedtheconstructionoftheproject.TheThreeGorgesProjecthasitsmainbenefitsinfloodcontrol,powergenerationandnavigatio

8、n.Theprojectcanraisefloodcontrolc