人教课标版 必修一英语Book1 Unit 4 Earthquakes Warming Up and listening PPT 课件.ppt

,Welcome,2008yearwitnessedtwoimportantevents.onemadeusproundofourgreatcountry,theothercausedgreatpains.whatwerethey?,Wenchuanearthquake,Unit4EARTHQUAKE,WhatDamagecananearthquakebringabout?,Manypeoplemayget_,hurt,oreven_.,Buildingsmay_.（倒塌）,Roadshavehuge_.（裂缝）Manythingsare_.（摧毁）,Inaword,thewholeplace_.（成为废墟）,water,electrcityare_.（中断）,injured,killed,falldown,crakes,destroyed,cutoff,liesinruins,Aftertheearthquake,Lookatthefollowingpictures,trytodescribe(描述)whatyouhaveseeninthepicture,SanFrancisco,GoldenGateBridge,Tangshan,manybuildings,roads,cars,people,Facingtheearthquake,Aftertangshanearthquake,Killedmorethan240.000,Injuredover160.000,1906SanFranciscoearthquake,Killedabout3,000,Homeless250.000,Doyouknowwhyanearthquakehappens?,earthquake,1.Eurasianplate,2.Pacificplate,3.Americanplate,4.Africanplate,5.Indiaplate,6.Antarcticplate,SanFrancisco,Paragraph4,Pacificplate,North,South,West,East,Americanplate,EarthquakeHappens,Activity1:listening,Activity2:Trueorfalse,()1.Insidetheearththereareanumberofplates.()2.Theseplatesmoveallthetime.()3.Iftheystopmovingthereisanearthquake.()4.Iftheyjumpthereisanearthquake.()5.Chinaisinanearthquakearea.()6.ThePacificplateispushingChinafromtheeast.()7.TheHimalayanmountainswerecausedbythemovementofplates.()8.Humanbeingshavethepowertostopearthquakes.,T,F,F,F,T,T,T,F,Activity3:Multiplechoices,1.whatcanbethebesttitleofit?A.howtoreduceearthquakes?B.howdoearthquakeshappen?C.whydoearthquakeshappen?D.wheredoearthquakeshappen?,3.HowmanymetersdidthePacificplatejumpwhenthe1906earthquakehappened?A.3.5B.5-6C.6-5D.5.34.HowdoesIndianplatepushonChina?A.fromeastB.fromsouthwestC.fromwestD.fromnorth5.WhydoesChinahaveanunluckyplaceontheearth?A.ThePacificplatepushesonChina.B.Chinaisintheplacewheretwoplatesjointogether.C.BecauseofthemovementofPacificplateandIndianplateinChina.D.TheIndianplatepushesonChina.,B,Activity4:summaryFillintheblanks,Wecannot(1)_earthquake,butwecan(2)_tomakesuretheydonot(3)_thewholecities.First,itisnotagoodideatobuildhouses(4)_thelinewheretwoofthe(5)_jointogether.Second,ifyouthinktheremaybeanearthquake,itisbettertobuildhouses(6)_than(7)_.Third,youmustmakethehousesas(8)_.weakhouseswill(9)_inanearthquake,butstrongonesmay(10)_.,onrock,onsand,earthsplates,stayup,destroy,falldown,stop,dothings,strongaspossible,along,valueourlifeforthosewholosttheirlivesinthee