[课件]高二英语人教课标选修6unit5ThepowerofnatureWarmingup１[1].ppt

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1、人教选修6Unit5ThepowerofnatureWarmingupWarmingupRememberwhathappenedonDec26,2004?TsunamihitsIndonesiaTsunamiDoyouknowanyothernaturaldisasters?naturaldisasterssandstormtyphoonfloodhurricanetornadoearthquaketsunamilandslidesnowstormdroughtChinasufferedmassivefloodingconcentratedinthreeareasduringthe1

2、998summer.1976年7月28日凌晨3时42分，河北省冀东地区的唐山、丰南一带突然发生7.8级强地震，新兴的重工业城市唐山蒙受惨重灾难，被夷为一片废墟。hurricanetyphoondisasterdroughtlandslidesandstormHeavysnowstormhitsShandongPeninsula21Dec2005snowstormHaveyoueverseenavolcano?volcano-eruption公元79年维苏威火山的爆发掩埋了一座城市！虽然地球史上每一次火山爆发无不令地貌沧海桑田，但公元79年维苏威火山的爆发却的确令一座城市获得了永生-

3、-庞贝无法躲过火山的劫难，但它被掩埋封存在渐渐冷却、凝固、变硬的火山灰中，最终竟躲过了上千年岁月的侵蚀。Vesuviusenteredthehistoryofvolcanologywiththeeruptionof79AD,describedbyPlinytheYounger.TheeruptiondestroyedPompeii,Herculaneum,OplontiandStabiaeandcausedthedeathofPlinytheElderamongmanyotherpeople.Haveyoueverconsideredhowweakhumansarecomparedw

4、ithavolcano,hurricaneorearthquake?Whatdoyouknowaboutvolcano?Doyouknowhowavolcanoerupts?Howisavolcanoformed?Therocksundertheearthbecomehotterandhotteranderuptfromthemountain.anextinctvolcanoanactivevolcanotypesofvolcanoesadormantvolcanoWhereismostpossibleforavolcanotoerupt?Neartheoceans.imagineW

5、ouldyouliketobeavolcanologisttoobserveandstudyvolcanoes?PreviewnewwordsinthisunitandthepassageonP34.HomeworkSeeyounexttime!