Unit1Furtherreading

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1、Unit1ManandNaturalDisastersFurtherreadingYushuEarthquakeTheGreatEastJapanEarthquakeEarthquakesareusuallycausedwhenrockundergroundsuddenlybreaksalongafault.Thissuddenreleaseofenergycausestheseismicwavesthatmakethegroundshake.SomebigearthquakesinrecentyearsThebigearthquakeinPakistanandIndiain2005

2、.ThebigearthquakeinWenchuan,SichuanProvincein2008.TheHaitiEarthquakehappenedinJanuary2010.TheYushuEarthquakeinQinhaiProvinceinApril2010.TheGreatEastJapanEarthquakeoccurredon11March2011.Seismicbeltsintheworldthecrust地壳fault断层friction摩擦seismology地震学seismograph地震仪seismographer地震学家aftershock余震small

3、ertremors小地震epicenter震中magnitude震级theRichterScale里氏地震级earthquakemonitoring地震监控tsunami海啸rockandmudslides泥石流ExpressionsaboutearthquakeDescribethepicturesbelowafteranearthquake.Readthetextandcompletethemainideaofeachpart.Part＆ParagraphMainideaPart1(Para.1-Para.3)AdescriptionofanearthquakeinJapanPa

4、rt2(Para.4)ThedefinitionofanearthquakePart3(Para.5)ThecauseofanearthquakePart＆ParagraphMainideaPart4(Para.6)Part5(Para.7)TheregionsofmassiveearthquakesandthereasonsofunevendistributionThereportingofearthquakesmadebyseriousstationsReadPara.4againanddoEx.2onPage14.movementoffaultsmovingbreadthwis

5、eshiftinglengthwiserubbingwithgreatforcereleaseofalotofenergyvibrationtsunamilandslidevolcanicactivityGiveabriefdescriptionofhowanearthquakeoccurs.Canwestopearthquakes?Wecan’tstopearthquakes,butwecantrytoreducethelossescausedbyearthquakes.Whatcanwedoafterearthquakes?Tobuildhousesasstrongaspossi

6、ble.Tobuildhousesonrockratherthanonsand.Trytorescuepeople.Trytorebuildfamilies.Trytoforgetsadexperiencesandlivewithstrongbelief.OnJanuary12,2010,amassiveearthquakestruckthenationofHaiti,causingcatastrophicdamageinsideandaroundthecapitalcityofPort-au-PrinceJapanEarthquake,TsunamiandNuclearCrisis

7、onMarch11,2011FreetalkTalkaboutanaturaldisasteryouknow.Inwhichwayscanhumansprotectthemselvesfromnaturaldisasters?WeAretheWorld25ForHaiti.