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ID:45743885
大小:10.99 MB
页数:127页
时间:2019-11-17
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1、DepartmentofCollegeEnglishNewVisionCollegeEnglishBookThreeUnit7DepartmentofCollegeEnglishProceduresPassageA:TsunamiDepartmentofCollegeEnglishUnit7NatureandDisasterPassageATsunamiDepartmentofCollegeEnglishProceduresofPassageA1.BackgroundInformation2.NewWords,PhrasesandExpressions3.Warmupa
2、ctivities4.DetailedStudyoftheText5.ExercisesDepartmentofCollegeEnglishBackgroundInformation1.TsunamiWarningSystem(太平洋海啸预警系统)(TWS)isasystemtodetecttsunamisandissuewarningstopreventlossoflifeandproperty.Itconsistsoftwoequallyimportantcomponents:anetworkofsensorstodetecttsunamisandacommunic
3、ationsinfrastructuretoissuetimelyalarmstopermitevacuationofcoastalareas.DepartmentofCollegeEnglishTheTsunamiWarningSystem(TWS)inthePacific,comprisedof26participatinginternationalMemberStates,hasthefunctionsofmonitoringseismologicalandtidalstationsthroughoutthePacificBasintoevaluatepotent
4、iallytsunamigenicearthquakesanddisseminatingtsunamiwarninginformation.ThePacificTsunamiWarningCenter(PTWC)(太平洋海啸预警中心)istheoperationalcenterofthePacificTWS.LocatednearHonolulu(檀香山),Hawaii,PTWCprovidestsunamiwarninginformationtonationalauthoritiesinthePacificBasin.BackgroundInformationDepa
5、rtmentofCollegeEnglishBackgroundInformation2.TheAtomicBombingofHiroshima(广岛原子弹爆炸)IntheearlymorninghoursofAugust6,1945,aB-29bombernamedEnolaGaytookofffromtheislandofTinian(提尼安岛)andheadednorthbynorthwesttowardJapan.DepartmentofCollegeEnglishBackgroundInformationThebomber’sprimarytargetwast
6、hecityofHiroshima,locatedonthedeltasofsouthwesternHonshuIsland(本州岛)facingtheInlandSea.Hiroshimahadacivilianpopulationofalmost300,000andwasanimportantmilitarycenter,containingabout43,000soldiers.Theyieldoftheexplosionwaslaterestimatedat15kilotons(theequivalentof15,000tonsofTNT[一种烈性炸药]).De
7、partmentofCollegeEnglishBackgroundInformation3.ThePacificRingofFire(环太平洋火山带)ThePacificRingofFire(orsometimesjusttheRingofFire)isanareawherelargenumbersofearthquakesandvolcaniceruptionsoccurinthebasinofthePacificOcean.DepartmentofCollegeEnglishBackgroundInformationIna40,00
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