来自英语辅导报的不错的课件.ppt

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1、Unit5WarmingupandreadingThepowerofnatureHaveyoueverthoughtabouthowpowerfulnatureis?Comparedwithavolcano,hurricaneorearthquake,haveyoueverconsideredhowweakhumansare?DiscussionthetsunamiinThailandin2004Onedaythismighthappen.Icelandvolcanoeruption,in2010Whatdoyouk

2、nowaboutvolcanoes?Doyouknowhowavolcanoerupts?火山口岩脉岩床岩浆熔岩火山灰灰烬火山通道Howisavolcanoformed?Therocksundertheearthbecomehotterandhotterandtheneruptfromthemountain.Neartheoceans.Whereisthemostpossibleplacethatavolcanomayerupt?Canyouimagineclimbingintoalivevolcanoinorder

3、tomeasurethetemperatureoftheboilingrockinside?Avolcanologistisapersonwhostudiesvolcanoes.Volcanologistsmonitorvolcanoes,measuretemperatures,andcollectsamplesoflavarockorgasesorothersmallobjects.Volcanologistswearasuitthatissimilartoaspacesuitwithahardhatandglov

4、es.Theywearthissothattheycansurvivethehottemperature.Whatknowledgeisneededtobeavolcanologist?chemistryphysicsgeographygeophysicsoceanographymeteorologyVolcanologyisachallengingandexcitingcareer.Readandanswerthequestion.FastreadingHowdoestheauthorfeelabouthisjob

5、?Hethinkshehasthegreatestjobintheworld.Dangerexciteshimandmakeshimfeelalive.Hethinkshisjobcanprotectpeoplefromthevolcano.CarefulreadingChoosethebestanswersaccordingtothetext.Whydoestheauthorthinkhisjobisthegreatest?A.Itmakeshimfeelexcitedandalive.B.It’sthemostd

6、angerousjobinthe    world.C.Itallowshimtotraveltomany    places.D.Itallowshimtoseevolcanoeserupt.A2.Whatdidtheauthordoafterhewas appointedasavolcanologist?A.Hecollectedinformationabout    MountKilaueaonthespot.B.Heanalyzedthedataandpredicted    wherethela

7、vawouldflow.C.Hepersuadedpeopletomovetheir    homesoutofthepathofthelava.D.Hesavedpeoplewhowerecovered    withlava.B3.Whichofthefollowingdescriptionsof    aneruptionisNOTcorrect?A.Itcausesgreatdamagenearthetop    ofMountKilauea.B.Theplaceswherethelavaflowsa

8、re    usuallyseriouslydamaged.C.Itcanbeseenfromadistance,even    inahousegarden.D.Thelavacanformfountainshundredsofmetershigh.C4.Whentheauthorwenttothelocation    oftheer