学人教版选修六Unit 5 The power of natureReading课件(共47张PPT).ppt

unit5thepowerofnature rememberwhathappenedonmay 12 2008 earthquake doyouknowanyothernaturaldisasters warmingup naturaldisasters sandstorm typhoon hurricane tornado龙卷风 earthquake tsunami debrisflow土石流 snowstorm thunderstorm volcano thepowerofnature flood earthquake sandstorm tsunami tornado 飓风 snowstorm typhoon cyclone hurricane snowslide drought landslide volcano haveyoueverseenavolcano volcano eruption vesuviusvolcano维苏威火山 pompeii 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 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 1 howisavolcanoformed therocksundertheearthbecomehotterandhotteranderuptfromthemountain whatdoyouknowmoreaboutvolcano boilingrock lava crater ashcloud boilingrockeruptsfromthecrater thelavaflowsslowlydownthemountain volcano eruption volcano neartheoceans whereismostpossibleforavolcanotoerupt anextinctvolcano死火山 anactivevolcano活火山 3 whattypesofvolcanoesdoyouknow adormantvolcano休眠火山 imagine wouldyouliketobeavolcanologisttoobserveandstudyvolcanoes reading anexcitingjob what sthemainideaofthearticle fastreading thewriterexpressedhis forhisjobasa andtoldusoneofhisunusual inmountkilauea hawaii love volcanologist experiences partone para1 para2 1 whyisavolcanologist sjobimportant 2 whereismountkilauea 3 thewriterdoesn tmindtheoccasionaldangerofhisjobbecause itcanwarnpeoplewhenthevolcanoisgoingtoeruptandsavemanylives inhawaii dangerexciteshimandmakehimfeelalive parttwo para3 para4 1 whydoestheboilingrockeruptingfromavolcanocauselessdamage 2 whatmadetheauthorrealizethataneruptionoccurred a iheardastrangesound b mybedroombecameasbrightasday c mybedbeganshaking d iranoutofthehouseintothebackgarden 1 2 3 4 becausenoonelivesnearthetopofmountkilauea 3 whatcausedthewriter sbedroomtobecomeasbrightasdayeventhoughitwasnight thelightthatwascausedbythered hotrocksandgasthateruptedfromthevolcano parttwo para3 para4 4 whatdoesthewritermeanbyusing lucky inthesentence iwasluckyenoughtohaveamuchcloserlookatit 5 whydidthescientistshavetogetclosetothevolcanoafteritbeganerupting togetsomelavaforlaterstudy itwashisfirstsightofaneruption itwasthefirsttimeforhimtowatchthecrater 6 whatdidthescientistsdoaftertheeruption putonwhiteprotectivesuitshelmets bigbootsline34 droppedascloseaspossibletothecraterline31 slowlymadeourwaytotheedgeofthecraterline35 lookeddownintothered boilingcentreline36 climbeddownintothecratertocollectsomelavaline36 parttwo para5 whatattractsthewriterafterhehasstudiedvolcanoesformorethantwentyyears theauthorisimpressedbythebeautyoftheeruptionandalsobyitspotentialtocausegreatdamage 1 thewriterdoesn tmindtheoccasionaldangerofhisjobbecause a hetravelstounusualplacesandmeetsinterestingpeoplefromallovertheworldb helikesthedifferentwaysofworking c hethinkshisjobthemostimportantd heisexcitedaboutdangersandfeelsalive 2 asaresultofthevolcanologist swork otherscientistspredicttheprogressoflavafromthevolcanob afewpeoplehavebeenwarnedtoleavetheirhomesc theeruptioncauseslessdamaged theeruptionmaybepreventedbreakingout boilingrockwhicheruptsfromthevolcanoandcrashesbacktoearthcauseslessdamage b thelavathatflowsslowlydownthemountaincausesfarmoredamage 3 what sthemainideaofpara 3 c theeruptionismuchmoreexcitingtowatch d therehadbeenaneruptioninthesideofthemountain a becausehisbedbeganshaking b becausehisbedroomsuddenlybecameasbrightasday c becausehethoughttherewasanearthquakeinhawaii d becausehewantedtocollectinformationabouttheeruption 4 whydidthevolcanologist srunoutofthehouseintothebackgarden para4 a heleftsaferonthetopwhiletheothertwoscientistsclimbeddownintothecrater b itwashisfirstsightofaneruption c itwasthefirsttimeforhimtowatchthecrater d bothbandc 5 whatdoesthewritermeanbyusing lucky inthesentence iwasluckyenough it 6 whatdoestheword alive meaninthesentence dangerexcitesmeandmakesmefeelalive livingornotdead b activeorlively c continuing d healthy 7 whydidthewriterputonspecialclothestolookatthecrater becausehewantedtotakesomespecialphotos b becausehewasconcernedabouthissafety c becausetheothertwoscientistsask