新课标人教版选修六教案unit5thepowerofnature

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1、Unit5ThepowerofnaturePeriod1WarmingUp,Pre—reading,ReadingandComprehendingAims:1.Tolearnaboutsomedisastersthatarecausedbynaturalforces,howpeoplefeelindangeroussituationsandthewaysinwhichhumansprotectthemselvesfromnaturaldisasters・2.Tolearnhowtheinformationisorganized・教学过程Step1Warmingup1•Warmi

2、ngupbylookingandtalkingShowthefollowingpicturestothestudentsandletthemknowaboutthepowerofnatureandtalkaboutthem.Sampleexpressions：Whathappenedinthepicturesabove?Doyouknowanyothernaturaldisasters?Pleaseworkwithyourpartnersandmakealistofnaturaldisasters(suchasearthquake,snowstorm,flood,drought

3、).Haveyoueverseenavolcano?(Somenewwords：lavaerupt/eruptioncrateractive/dormant/extinctvolcanoes...)2.Warmingupbyreadingthepassagebelow.Step2Pre—readingl.Canyouimagineclimbingintoalivevolcanoinordertomeasurethetemperatureoftheboilingrockinside?2.Encouragestudentstotalkmoreaboutvolcanoesbylook

4、ingatthefollowingpictures.Step3Readingandcomprehending1•Fast—reading：Askstudentstoskimthepassagesoastogetthekeywordsandgeneralideaofeachparagraphandanswerthequestion：What'sthemainideaofthetext?2-Readthepassagecarefullyandanswerthefollowingquestions.(1)Whyisavolcanologist'sjobimportant?(2)Why

5、isthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?(3)Whywasitdifficultforthewritertowalktowardstheedgeofthecrater?(4)Whatdoesthewriterfindimpressiveaboutvolcanoesevenafterstudyingthemformanyyears?(5)Whatdidtheauthorthinkitwaswhenaneruptionoccurred?(6)Whydidthescientistslookl

6、ikespacemen?Suggestedanswers：1•Thispassageisafirst—personaccountofavolcanologistsexperiences.Thevolcanologistdescribedhisexcitingjobandwrotedownhisfirstsightofaneruption.2.(l)Volcanologistsstudyvolcanoessothattheycanwarnpeoplewhenthevolcanoisgoingtoeruptandsosavemanylives.(2)Thelavaflowsdown

7、themountainandcancoveruporburnvillagesinitspath.Therocksthateruptfromthevolcanousuallydon'tdamageanythingbecausenoonelivesnearthecrater.(2)Theauthorwaswearingspecialprotectiveclothingthatmadeitdifficulttowalk.(3)Theauthorfindstheirbeautyandtheirpot