新课标人教版选修六Unit 5　The power of nature教案

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1、Unit5ThepowerofnaturePeriod1WarmingUp，Pre－reading，ReadingandComprehendingAims:1．Tolearnaboutsomedisastersthatarecausedbynaturalforces，howpeoplefeelindangeroussituationsandthewaysinwhichhumansprotectthemselvesfromnaturaldisasters.2．Tolearnhowtheinformationisorganized.Step1Warming

2、up1．WarmingupbylookingandtalkingShowthefollowingpicturestothestudentsandletthemknowaboutthepowerofnatureandtalkaboutthem.Sampleexpressions：Whathappenedinthepicturesabove？Doyouknowanyothernaturaldisasters？Pleaseworkwithyourpartnersandmakealistofnaturaldisasters(suchasearthquake，sn

3、owstorm，flood，drought)．Haveyoueverseenavolcano?(Somenewwords：lavaerupt/eruptioncrateractive/dormant/extinctvolcanoes...)2．Warmingupbyreadingthepassagebelow.Step2Pre－reading1.Canyouimagineclimbingintoalivevolcanoinordertomeasurethetemperatureoftheboilingrockinside？2．Encouragestud

4、entstotalkmoreaboutvolcanoesbylookingatthefollowingpictures.Step3Readingandcomprehending1．Fast－reading：Askstudentstoskimthepassagesoastogetthekeywordsandgeneralideaofeachparagraphandanswerthequestion：What'sthemainideaofthetext?292．Readthepassagecarefullyandanswerthefollowingques

5、tions.(1)Whyisavolcanologist'sjobimportant?(2)WhyisthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?(3)Whywasitdifficultforthewritertowalktowardstheedgeofthecrater?(4)Whatdoesthewriterfindimpressiveaboutvolcanoesevenafterstudyingthemformanyyears?(5)Whatdidtheautho

6、rthinkitwaswhenaneruptionoccurred?(6)Whydidthescientistslooklikespacemen?Suggestedanswers：1．Thispassageisafirst－personaccountofavolcanologist'sexperiences.Thevolcanologistdescribedhisexcitingjobandwrotedownhisfirstsightofaneruption.2．(1)Volcanologistsstudyvolcanoessothattheycanwa

7、rnpeoplewhenthevolcanoisgoingtoeruptandsosavemanylives.(2)Thelavaflowsdownthemountainandcancoveruporburnvillagesinitspath.Therocksthateruptfromthevolcanousuallydon'tdamageanythingbecausenoonelivesnearthecrater.(3)Theauthorwaswearingspecialprotectiveclothingthatmadeitdifficulttowa

8、lk.(4)Theauthorfindstheirbeautyandtheirp