新课标人教版选修六教案Unit 5 The power of nature.doc

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1、Unit5　ThepowerofnaturePeriod1　WarmingUp，Pre－reading，ReadingandComprehendingAims:1．Tolearnaboutsomedisastersthatarecausedbynaturalforces，howpeoplefeelindangeroussituationsandthewaysinwhichhumansprotectthemselvesfromnaturaldisasters.2．Tolearnhowtheinfo

2、rmationisorganized.Step1　Warmingup1．WarmingupbylookingandtalkingShowthefollowingpicturestothestudentsandletthemknowaboutthepowerofnatureandtalkaboutthem.Sampleexpressions：Whathappenedinthepicturesabove？Doyouknowanyothernaturaldisasters？Pleaseworkwit

3、hyourpartnersandmakealistofnaturaldisasters(suchasearthquake，snowstorm，flood，drought)．Haveyoueverseenavolcano?(Somenewwords：lava　erupt/eruption　crater　active/dormant/extinctvolcanoes...)2．Warmingupbyreadingthepassagebelow.Step2　Pre－reading1.Canyouim

4、agineclimbingintoalivevolcanoinordertomeasurethetemperatureoftheboilingrockinside？2．Encouragestudentstotalkmoreaboutvolcanoesbylookingatthefollowingpictures.Step3　Readingandcomprehending1．Fast－reading：Askstudentstoskimthepassagesoastogetthekeywordsa

5、ndgeneralideaofeachparagraphandanswerthequestion：What'sthemainideaofthetext?2．Readthepassagecarefullyandanswerthefollowingquestions.(1)Whyisavolcanologist'sjobimportant?(2)WhyisthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?(3)Whywa

6、sitdifficultforthewritertowalktowardstheedgeofthecrater?(4)Whatdoesthewriterfindimpressiveaboutvolcanoesevenafterstudyingthemformanyyears?(5)Whatdidtheauthorthinkitwaswhenaneruptionoccurred?(6)Whydidthescientistslooklikespacemen?Suggestedanswers：1．Th

7、ispassageisafirst－personaccountofavolcanologist'sexperiences.Thevolcanologistdescribedhisexcitingjobandwrotedownhisfirstsightofaneruption.2．(1)Volcanologistsstudyvolcanoessothattheycanwarnpeoplewhenthevolcanoisgoingtoeruptandsosavemanylives.20(2)Thel

8、avaflowsdownthemountainandcancoveruporburnvillagesinitspath.Therocksthateruptfromthevolcanousuallydon'tdamageanythingbecausenoonelivesnearthecrater.(3)Theauthorwaswearingspecialprotectiveclothingthatmadeitdifficulttowalk.(4)Theauthorfindstheirbeautya