人教版高一英语必修一第四单元Earthquake课件.ppt

Earthquakes,Lesson26Book1,制作：violetcao,Theearthisalittleblueplanet.Therealwayshappensomedisasters(灾祸)suchasfloods,drought,volcanoes(火山),hurricane（飓风）,desert（漠化）andearthquakes,Background,NATURALDISASTER,DroughtorDesert,Flood,Seawave,Hurricane,Fire,Volcano,Tangshan,Hebei,July28th,1976,240,000,Victimsoftheearthquake:,TheUnitedStates,SanFrancisco,NewYork,Viewsofthe1906SanFranciscoEarthquakeandFire,5:13a.m.April18th,1906,seenfromaferryboatinthebay,TheGreatFire,firearoundtheCallBuilding,thedestroyedchurch,TheArmylaterprovidedtentsforrefugees.,poorly-builthouses,ruinedhomesandpavement,250,000peoplelosttheirhomes700peoplelosttheirlives,Alargepartofthecitywasdestroyed.,Alargenumberofbuildingswereburnt.,fellontotheonebelow,Listeningtothetapeofthetext,Fillintheform,Time,Homes,Death,Loca-tion,Loss,Biggest,2nd.biggest,5:134.181906,Oct.17,1989,250,000,700,100,Inthecity,50kmsoutof,Part,build-ings.,aroad,buildings,fires,elec-tricity,1.InwhatpartoftheUnitedStatesisSanFrancisco?,2.Inthespringof1906,whathappenedtothecityofSanFrancisco?,3.Whathappenedagaininthecityinthefallof1989?,Questions:,4.Explainthereasonswhythereareearthquakes.,At5:13onthemorningofApril18th,1906,thecityofSanFranciscowasshakenbyaterribleearthquake.Agreatpartofcitywasdestroyedandalargenumberofbuildingswereburnt.Thenumberofpeoplewholosthomesreachedasmanyas250,000.About700peoplediedintheearthquakeandthefires.,Paragraph2,AnotherearthquakeshookSanFranciscoonOctober17th,1989.ItwasAmericassecondstrongestearthquakeandabout100peoplewerekilled.Ithappenedintheeveningaspeopleweretravelinghome.Awideandbusyroadwhichwasbuiltlikeabridgeoveranotherroadfellontotheonebelow.Manypeoplewerekilledintheircars,butafewluckyoneswerenothurt.Luckilythe1989earthquakedidnothappeninthecenteroftownbutabout50kilometersaway.Inonepartoftownagreatmanybuildingsweredestroyed.Thesebuildingswereover50yearsold,sotheywerenotstrongenough.Therewerealotoffiresalloverthecity.Theelectricitywascutoffforseveraldaystoo.,Whydoearthquakeshappen?Scientistsexplainthattheoutsideoftheearthismadeofanumberofdifferentplates.AtSanFranciscothePacificplatewhichismovingtowardsthenorthwestmeetstheNorthAmericanplate.ThePacificPlateismovingveryslowlyat5.3centimetersayear.Sometimesthesetwoplatesstopanddonotmoveforyears.ThenSuddenly,theyjumpandanearthquakeisfelt.Asaresultofthemovementoftheseplates,westAmericaneartheseahasalwaysbeenabadplaceforearthquakes.Whenthe1906earthquakehappened,thePacificplatejumped5-6meterstothenorth.,Fillintheform,Time,Homes,Death,Loca-tion,Loss,Biggest,2nd.biggest,5:134.181906,Oct.17,1989,250,000,700,100,Inthecity,50kmsoutof,Part,build-ings.,aroad,buildings,fires,elec-tricity,1.InwhatpartoftheUnitedStatesisSanFrancisco?,2.Inthespringof1906,whathappenedtothecityofSanFrancisco?,3.Whathappenedagaininthecityinthefallof1989?,Questions:,4.Explainthereasonswhythereareearthquakes.,TRUEORFALSE,1.AterribleearthquakehitSanFranciscoontheeveningofApril18,1906.（）,2.Alargenumberofbuildingswereburntandabout700peoplewerekilled.（）,3.The1989earthquakeinSanFranciscowasthestrongestoneinAmerica.（）,4.Abridgefelldownontoanotherbridgebelow.（）,F,F,F,T,5.The1989earthquakehappenedinthecenterofthetown,somanynewbuildingsweredestroyed.(),F,7.AtSanFranciscothePacificplatemovingnorthwestmeetstheSouthAmericanplate.(),8.Thepacificplateismovingfast-at53kilometersayear.(),6.Theelectricitywascutoffseveraldays.(),TRUEORFALSE,F,F,T,9.WestAmericaneartheseaisabadplaceforearthquakes.(),T,10.Whenthe1906earthquakehappened,thePacificplatejumped5-6meterstothenorth.(),T,Paragraph1,At5:13onthemorningofApril18th,1906,thecityofSanFranciscowasshakenbyaterribleearthquake.Agreatpartofcitywasdestroyedandalargenumberofbuildingswereburnt.Thenumberofpeoplewholosthomesreachedasmanyas250,000.About700peoplediedintheearthquakeandthefires.,themorningofApril18.,Agreatpartofthecity,The1906Earthquake,Alargenumberofbuildings,250,000,700,Para.1,Fillinform,Paragraph2,AnotherearthquakeshookSanFranciscoonOctober17th,1989.ItwasAmericassecondstrongestearthquakeandabout100peoplewerekilled.Ithappenedintheeveningaspeopleweretravelinghome.,Paragraph2,Awideandbusyroadwhichwasbuiltlikeabridgeoveranotherroadfellontotheonebelow.,Paragraph2,Manypeoplewerekilledintheircars,butafewluckyoneswerenothurt.,Paragraph3,Luckilythe1989earthquakedidnothappeninthecenteroftownbutabout50kilometersaway.Inonepartoftownagreatmanybuildingsweredestroyed.,Paragraph3,Thesebuildingswereover50yearsold,sotheywerenotstrongenough.,Paragraph3,Therewerealotoffiresalloverthecity.Theelectricitywascutoffforseveraldaystoo.,ontheeveningofOct.17,secondstrongestearthquake,cars,weredestroyed,wascutoffforseveraldays,The1989Earthquake,killed,Para.2-3,fires,Fillinform,Whydoearthquakeshappen?Scientistsexplainthattheoutsideoftheearthismadeofanumberofdifferentplates.AtSanFranciscothePacificplatewhichismovingtowardsthenorthwestmeetstheNorthAmericanplate.ThePacificPlateismovingveryslowlyat5.3centimetersayear.,Paragraph4,Paragraph4,Pacificplate,Americanplate,Eurasianplate,Indianplate,Africanplate,Antarcticplate,北,AmericanPlate,Paragraph4,Pacificplate,Americanplate,SanFrancisco,Paragraph4,Sometimesthesetwoplatesstopanddonotmoveforyears.ThenSuddenly,theyjumpandanearthquakeisfelt.Asaresultofthemovementoftheseplates,westAmericaneartheseahasalwaysbeenabadplaceforearthquakes.Whenthe1906earthquakehappened,thePacificplatejumped5-6meterstothenorth.,Continent,Oceanicplate,CausesofEarthquakes,sixdifferentplates,jump,Para.4,Theend,In1976,thestrongearthquakehappenedinTangshan.Millionsofpeople_homesandalarge_ofbuildingsweredestroyed.,lost,number,OnthemorningofSepte