人教版高一英语必修一unit4 warming up pre-reading课件.pptx

人教版高一英语必修一unit4 warming up pre-reading课件.pptx

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,Unit4Earthquake,Warming-up&Pre-reading,1.Masterthefollowingusefulwordsandexpressions:

earthquake,quake,rightaway,well,crack,smelly,pipe,burst,inruins,injure,destroy,track,useless,electricity,disaster,anumberof,damage.2.Knowbasicknowledgeaboutearthquake;3.Knowhowtoprotectoneselfandhelpothersinearthquakes.,Whatsthevideoabout?

TheearthquakeinWenchuan.DoyoustillrememberwhentheearthquakeinWenchuanhappened?

EarthquakeinWenchuanonMay12th,2008.Thewholecitylayinruins,69,225peopledied,374,640wereinjuredand17939weremissing.,Doyouknowotherseriousearthquakesthathappenedinrecentyears?

Earthquakesshookthewholeworldin2010InHaiti（海地）,onJanuary12,2010InChile（智利）,onFebruary27,2010InChina,onApril,14,2010,At7:

49April14,2010,anearthquakehit（袭击）Yushucounty,Qinghaiprovince.2220peopleweredeadand70weremissing.,AnearthquakehitJapanonMarch11,2011.,AnearthquakehitYaanonApril20,2013.,Earthquakeisnotfarfromourlife.,Italarms（警告）usitisthehightimetolearnsomeknowledgeaboutearthquake.,Whydoearthquakeshappen?

Earthquakeshappenwhentwomovingplatesjumpandpushagainsteachother.Asaresult：

Theearthis,Discussion,Whatmighthappenwhentheearthisshaking?

Tangshan,SanFrancisco,LookatthephotosofTangshanandSanFranciscoandtrytodescribewhathappensinthe2citieswhenthereisanearthquake.,Buildingsfalldown.,Thecrackscutacross（横断、截断）theroads./Roadsgethugecracks.,Bridgesarebroken.,Thesupplyofelectricityandwateriscutoff.,Therailwaytracksareuseless.,Anumberofpeoplearehomeless.,Thecityliesinruins.,Tangshan,Hebei,SanFrancisco,USA,April18th,1906,July28th,1976,Earthquakeisaverydestructive,（破坏性的;毁灭性的;）andterribledisaster.So,itsveryimportantforustolearnmoreaboutearthquakes!

Whatstrangethingsdoyouthinkmayhappenbeforeanearthquake?

well,mice,fish,chickenscows,pigs,dogs,Thereisbrightlightinthesky.,Theanimalsweretoonervoustosleeporeat,suchasdogs,cows,pigs,horses,andchickens.,Micerunoutofthefields.,Fishjumpoutofbowlsandponds.,ThesignsbeforeWenchuanEarthquake.,Therearecracksinthewells.,Thewaterinthewellrisesandfalls.,Asmellygascomesoutofthecracks.,Waterpipesmaycrackorburst.,Discussion:

Whatshallwedoifanearthquakehappens?

Ifinclassroom,Ifoutdoors,Ifinclassroom:

1.Dontbenervousandkeepcalm.2.Whenatthebottomofthebuilding,youshouldleavetheclassroomingoodorder.Ifyouareatthetopofthebuilding,donttrytorunoutoftheclassroomorjumpoutofthewindow.,Hideunderyourdeskandprotectyourheadbyputtingyourhandsonyourhead.Waitforagoodtimeandleavetheclassroomrightawayaftertheshakedecrease（减少，减小）.,Ifoutdoors:

Stayawayfrombuildings,trees,signs,andpowerlines.Crouchdown（蹲下）andcoverthehead.,Getaway!

MyheartwillgoonDisasterswillgoon!

Wecantavoidthem,however,wecanreducethem!

Ifdisastersdohappen,keepcalmandfacethem.Getreadyforthemfromnowon!

Thanksforyourlistening!

Imagineyourhomebeginstoshakeandyoumustleaveitrightaway.Youhavetimetotakeonlyonething.Whatwillyoutake?

Why?

Iwanttotakemoney,books,food,water,clothesbecause,water,money,identitycard,food,books,clothes,computer,map,picturesoffamily,mobilephone,Whatwillyoutake?

Why?

AmericanPacificplate,Eurasianplate,Africanplate,IndiaplateAntarcticplate,plate,