新标准人教版_选修6_unit5_the_power_of_nature_reading公开课课件.ppt

新标准人教版_选修6_unit5_the_power_of_nature_reading公开课课件.ppt

ID:56477661

大小:5.03 MB

页数:50页

时间:2020-06-19

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1、Globalwarmingnaturaldisastersearthquakethunder/lightningforestfireflooddroughtsnowstormsandstormlandslidehurricanetyphoontornado/cycloneTsunamiVolcanoHaveyoueverseenavolcano?Neartheoceans.Whereisitprobablyforavolcanotoerupt?Howmanytypesofvolcanoesarethere?anex

2、tinctvolcanoanactivevolcanoadormantvolcano(nolongeractive)(notactivenow,butbeabletobeactiveinthefutre)活火山死火山休眠火山1.Howisavolcanoformed?Therocksundertheearthbecomehotterandhotteranderuptfromthemountain.Boilingrockeruptsfromthecrater;thelavaflowsslowlydownthemoun

3、tain.gasliquidsolidlava(熔岩)vapor,carbondioxide,nitrogen(氮),sulphur(硫磺)bitsofrockandvolcanicash,etc.cratereruptv.eruptionn.lavaabsolutelyfantasticvolcanicashThehotlavais______________hundredsofmetresintotheair.fountainingfountainManyhouses______________________

4、.areburnttothegroundinpanicThecrowd__________________asaferplace.aremakingtheirwaytoThedestructionofPompeiiInAugustofAD79,MountVesuviuserupted.Theentireofthemountainexploded,andahugeblackcloudroseintotheair.SoonstonesandhotashbegantofallonPompeii.Whentheerupti

5、onendedtwodayslater,Pompeiiwasburiedunder20feetofstonesandashes.Almostallthepeopleweredead.AnExcitingJobWhowillclimbintoalivevolcanototakethetemperatureoftheboilingrockinside?volcanologistsCollectandevaluateinformationaboutvolcanoes.Whatkindofthingsmightavolca

6、nologistdo?Areyousuitableforthiswork?Part1(Para1-2)Part2(Para3-4)Part3(Para5)Thewriter’sjobanditsimportanceThewriter’sexperienceofwatchingthevolcaniceruptionThereasonsforthewriter’senthusiasmabouthisjob.Skimmingthetextandtrytofindoutmainideasofeachpart.Scannin

7、gthetextandchoosethebestanswerWhatisthewriter?AHeisadoctorBHeisateacherCHeisascientistDHeisavolcanologistD2.Whendidhefirstseeaneruption?AItwasinthesecondweekafterIarrivedinHawaiiBItwasintheseconddayafterIarrivedinHawaiiCItwasinthethirdnightafterIarrivedinHawai

8、iDItwasinthefirstnightafterIarrivedinHawaiiA3What’sthejobofthewriter?ACollectinginformationfordatabaseaboutMountKilaueaBAnalyzetheinformationCHelpthevillagerstomovetheirhomeDTravel

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