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1、Unit6HowtoPrepareforEarthquakesSectionALeadinStuctureAnalysisUnderstandingSummaryLanguagePointsTextStudyCET4WritingPracticeTips1.Whatdoesastrongearthquakebringtous?TipsLikeitornot,theearthquakesareadisasterwehavetobefacedwithatalltimes.Thisisbecausetheyarelikeghostshauntinguponuswithoutanyfixedpatt
2、ernoftimeandspace.Inthiscase,itismuchbetterforustoknowmoreaboutthem.Myfirstquestionis:Itbringsinstantruinuponthefruitsofourlabor,suchas…;2)Itgivesrisetosecondarydisasterslike…;3)Ittakesaheavytollofhumanlives,asin…;4)Itgivesusagreatinsightinto…;Tips2.Howtopredictastrongearthquake?Tipsweknowthatifeve
3、ryoneknewthestrangebehaviorofdogsorwormsisawarningofastrongearthquake,itwouldnothavebeensoterrifying.Toachievethis,peoplehavemademanyattempts.Mynextquestionis:1)Seismicpatterns?2)Weatherconditions?3)Radonorhydrogenhydrogengascontentofsoilorgroundwater?4)Waterlevelinwells?5)Animalbehavior?Tips3.Howt
4、opreventgreatdamagecausedbyaquake?TipsThusfar,however,earthquakepredictionhasbeencontroversialbecauseameaningfulpredictionmusthavethefollowingelements:1)specificarea;2)specificmagnitudeormagnituderange;3)specifictimewindow;4)estimateofprobabilitycomparedtorandomchance.Withourpredictionunreliable,we
5、shouldconsiderabout:1)Knowthehistoryoflocalearthquakes;2)Keepinformedofwherefaultlineslie;3)Getfamiliarwithlocalseismichazards;4)Beclearinmindaboutwhattouseforyournewbuilding;5)Identifytheweakpointsinyouroldbuildingandreinforcethem;AsintheearthquakeofWenchuan,followingitwasasheerfailureinthelocalel
6、ectricity,waterworks,telecommunications,transportation,andfoodservice.Inthatlight,makingyourhousestrongisfarfromenoughtoensureyoursurvival.Mynextquestionis:Tips4.Howtoprepareourselveswellforabigearthquake?Beforeanearthquake1)Keephandyasurvivalkit,inwhich…;2)Knowthesafelocationsinyourhome;3)Arrangef
7、orthewayoffamilyunity;Duringanearthquake4)Ifoutdoors,getawayfromhighobjects;5)Ifindoors,stayawayfromwindows;6)Ifdriving,pulloverandstop;TipsA.Thewaytodevelopthetext:StructureAnalysisGeneralStatements+Detail
