【人教版】高中英语选修6课件：Unit 5 Section Ⅰ.ppt

uKilaueaisthemostactiveVolcano,anddoyouWanttoknowDoyousomethingaboutit?PleasereadthefollowingpassagetogettheansWer:]~Io‖髓t鬓季醴〔j喹惘0,isontheislandof}I`jtSnot珀r拂覆矗‖n履Loa,thelargestvolcanointhewWorld.MaunaLoaandMountKilaueatogetherformtheVolcanoesNationalParkinHawaii.MountKilaueahaspoducedIavamorethanfiftytimesinthelastonehundredyears.Sometimesthelavamovyesslowly.AtothertimesitpoursoutVeryhstasahugeaImountofpressureforcesifromthevolcano.Duringthesetimes,itImoyesalmost95quicklyasWatermovingdownthesideofmountain.SometimesMountKilaueaproducesalargeamountoflavathatseemslikeTiversoffireWhenthelavafromMountKilaueareachesthe0ceantitsftercethe2t200313StartbatTises3reat8rnorait0intotheainThelavalssohotthatitcontintuestoburnUnderwaterforsometime.ThelavafromlMountKilaueacontinuestoaddlandtotheislandasthevolcanoesofHawaiihavealwaysdoneItWastheseVolcanoesthatformedtheislandsofHawaiiVostofthetimethelavaofMountKilaueaseemstomovepeacefullytowardtheocean.Yetitisnotaspeacefulasitseemsfromadistance.Inrecentyearsthelavadestroyed0neSmalltown0ntheisland.Theboilingrockslowlycoveredthetown.Itblockedroadsanddestroyedthem.NothingcanstopthelavaofMountKilauea.ExpertssaythevolcanoesofMaunaLoaandMountKilaueaareaFionsthieattntonertv(贯丘onmanypartsoftheisland.Theyals0saytheVolcanoesoftheislandofHawaiiareproofthatthechangingenvironmentoftheearthisandWiLlalwaysremainbeyondhumancontroL.11Typhoon3.Flood5Drought答秋:1~sAEBCD2,Volcano4.Earthquake6WhatcanWelearnfromtheabovepictures2WecanfindhowpowerfulnatureisandhowWeakhumansarecomparedWithnaturaldisasters.ButWe,arenotcompletel「。

tprotect0urselyesfrompowWerfulnaturalforces工LookatthepictureandansWerthefollowingquestions.1WVhatistheWomandoing?Shesc0llec丨i】】吕someinformationlofvolcanoes2Howisavolcanoformed?Therocksundertheearthbecomehotterandhotteranderst0intBtTain/3,Howmanytypesofvolcanoesd0youKnoW2Activevolcanosextinctyolcano;dormantvolcano.4,WVhereisthemostpossibleplaceforaVolcanotoerupt2Nearthe0ceans.Step2FastReadingI.Readthetextquicklyandcompletethemainideaofit.Thetextisafirst-person_account0faVolcanologist“worksthedaImageofthe2.XolcaniceruprionasWellashisfirstexperienceofthevolcaniceruption.IT.Thetextcanbedividedintofourparts.Pleasechoosethemainieaofeachparttocompletethefollowingform.AnexcitingjobPart1(Paragraphs1一2)Part2(Paragraph3)Part3(Paragraph4)Part4(Paragrauk5)|加|口l万I【amstilasenthusiasticaboutmyjobastheverybeginning.BWhatharmtheeruptionofthevolcanocancauSe.C,MyjobasaVolcanologist.DHowIhadacloserlookatthecrateraftertheeruption.答杰:1~4_CBD&AStep3CarefulReadingI.Readthetextcarefullyandanswerthefollowingquestions。

1.WVhatdoesthewriterthinkofhisjob2Hisjobisdangerousbuthedoesn“tmindbecausedangerexciteshim2ndmaimnfeelal2.VVhatdoestheWriterdoatongsideothersclentists2Hecollectsandevaluatestheinformationforadatabase,thenhehelpsotherscientiststopredictWherelavafroumthevolcanoW迈flownextandhowfast。