新视野大学英语第二版第三册第六单元课件

36fireWhatkindofdisastersdoyouknow?36typhoon/Hurricane36snowslide36tornado36sandstorm36mudflow36•drought36volcanoeruption36flood36Tsunami36WatchandDiscuss36EarthquakeisasuddenmovementoftheEarth’ssurface,sometimescausinggreatdamage.36TheOriginofEarthquake:Earthquakeshappenbecausetheouterlayeroftheearth(thecrust)isslowlybeingdeformedbystressesthatareplacedonthecrust.Thesestressesbuildupalonglockedportionsofthecrustwhereearthquakefaults(断层)are.Eventuallythestressesbecometoogreatforoneofthefaultstowithstand(承受),andthecrustsuddenlymoves,likeaspringthathasbeenwoundtootightly.Thissuddenmovementofthegroundiscalledanearthquake.36What’searthquakeAnearthquakeistheresultofasuddenreleaseofenergyintheEarth'scrustthatcreatesseismicwaves（地震波）.Sometimesanearthquakehasforeshocks.Therearesmallerearthquakesthathappeninthesameplaceasthelargerearthquakethatfollows.Scientistscan’ttellthatanearthquakeisaforeshockuntilthelargerearthquakehappens.12336Whatdoyouthinkmayhappenbeforeanearthquake?•1)Theweatherwillbecomeworsethanusual.Therewillbestrongwind,heavyrainandbrightlightintheskyandsoon.•2)Animalswillbecomenervous.e.g.micewillrunabout;fishjumpoutofponds;cows,pigs,horsesanddogswillbeupset.•3)Waterinriversandwellswillrisesandfalls.•4)Wewillseecracksinthewellsandthesmellygaswillcomeoutofthecracks.•…Signs36Whatshallwedoifanearthquakehappens?Discussion36WhatcanwedowhentheearthquakehappensRunHoldonCalmStopCarefulIfyouareoutdoorsIfyouareinthecarIfyouarenearthedoorIfyoucan’trunoutofthehouseintimeDuringtheearthquake36dropontothegroundkeepawayfromthepowerlinesWaysonself-rescue36keepawayfromthesignskeepawayfromthebuildings36hideunderthefurnituredropontothegroundholdontothefurniturehideinthecornerofthehouse36TwoReactionsWrong•Bepanic•Runaimlessly•Fearwithone'seyesopenwide•Tojumpfromabuilding•Totakeanelevator•ToruninbarefeetRight•Keepcalm•Totakeshelterwhereyouare•Togotonarrowroomsforprotection•Toshieldone’seyesfromthefragmentsofbrokenglass•Totakethestairs•Tocutofftheelectricity•Towearaheavyorcomfortableboots36earthquakehazard（地震危害性）•uproottreesandknockoffbuildings•maketheriverschangetheircourses•makethetransportationsystembreakdown•causepowerlinefailures•causelossoflifeandproperty•triggerlandslides,floodingandtsunamis•maycauseinfectivedeseases3611TextStudyIdeaSharingNotestotheTextWritingWordsandExpressions36SummaryUnderstandingReproductionStructureAnalysis36A.Thewaytodevelopthetext:I.StructureAnalysisGeneralStatements+Details+ConclusionThetexttellsmainlyabouthowtoprepareforanearthquake,namely,theprediction,preventionandpreparationofearthquakes.TextStudy—StructureAnalysis36GeneralStatement1+Details123-67WaysofDevelopmentParagraphsTextStudy—StructureAnalysisConclusionGeneralStatement2+DetailsGeneralStatement3+Details36B.CompletetheMainIdeasPara.1To________whenanearthquakeisgoingtohappen.Para.2To________thegreatdestructionofpropertycausedbyearthquakes.Para.3~6To____________thepossibilityofagreatearthquake.Para.7Evenifpredictionbecomespossible,peoplestillhavetodotheirbesttopreventdisastersby_____________________________andby___________________________.predictpreventprepareforimprovingbuildingstructurespersonallypreparedbeingTextStudy—StructureAnalysis361)Wiretheearthandseatodetectmovements.2)Watchanimalsandplantsforwarningsigningsofearthquakes.3)Theamountofradonwaxesbeforeanearthquake.1.Howcanweknowaboutwarningsignsofearthquakes?Para.1II.UnderstandingTextStudy—UnderstandingTips362.Whatanimalsshowwhatsignsofearthquakes?Para.1TextStudy—UnderstandingIcanpredictearthquakes!Canseismologistsdothat?361)hens—cages2)snakes—freezetodeath3)dogs—barkalot4)fish—surface5)birds—noisy—flyunusuallyTextStudy—UnderstandingTipsMore36Someadvancewarningsofanimpendingearthquake.MoreTextStudy—Understanding36Byfallingbuildings.Para.2TextStudy—UnderstandingTips3.Howaremostofthepeoplekilledinanearthquake?Tip361)Steeljoint/anI-joint2)Equallystrongcolumns&horizontalbeams3)Deepverticalsupportcolumns4)Lightroofs&strongwalls4.Whatbuildingstructuresmightpreventthegreatdestructionofproperty?Para.2TextStudy—UnderstandingTips361)Check/reinforcehomes.2)Placeheavyobjectsinlowplace.3)Attachcupboards&cabinetstowalls.4)Fastendoors.5.Whatshouldpeopledotopreparetheirhouses?Para.3TextStudy—UnderstandingTips366.Whatshouldpeopleneedfortheirearthquakesurvivalsupplies,andwhy?Paras.4~5TextStudy—Understandingwater&foodradioreceivertorchextrabatteriesfirst-aidsuppliesspadeMore36MoreTextStudy—Understandingtentropeclothingfireextinguisherauxiliarycooking&heatingsourceheavyshoesorboots36Calltocheckinwithafar-awayfriendorrelative…7.Howcanfamilymemberskeepintouchduringanearthquake?Para.6TextStudy—UnderstandingTips36Educationconcerninghowtosurviveanearthquake.8.Whatshouldbeamajoremphasisforallgovernmentprogramsandearthquake-relatedresearchprojects?Para.7TextStudy—UnderstandingTip36ActiveExpressionsFocusStudy36InEnglish,youmayfindsomeexpressionsformedbyverycommonwords,buttheyareactiveandpowerful.•What’sonatthecinematonight?今晚电影院上演什么？•What’sheupto?他忙什么呢?e.g.I.ActiveExpressionsNotestotheText—ActiveExpressi