大学英语教学资料-tipsforearchquake

大学英语教学资料-tipsforearchquake

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时间:2019-09-28

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1、TENTIPSFOREARTHQUAKESAFETY:1)Inmostcases,thepeoplewhosimply"ducksandcovers0whenbuildingcollapsearecrushedtodeath.Peoplewhogetunderobjects,likedesksorcars,arecrushed.2)Cats,dogsandbabiesoftennaturallycudupinthefetalposition.Youshould,too,inanearthquake・Ilisanaturalsafety/s

2、urvivalinstinct・Youcansurviveinasmallervoid.Getnexttoanobject,nexttoasofa,nexttoalargebulkyobjectthatwillcompressslightlybutleaveavoidnexttoit.3)Woodenbuildingsarethesafesttypeofconstructiontobeinduringanearthquake・Woodisflexible(易弯曲的)andmoveswiththeforceoftheearthquake・I

3、fthewoodenbuildingdoescollapse(倒塌),largesurvivalvoidsarecreated.Also,thewoodenbuildinghaslessconcentrated,crushingweight.Brickbuildingswillbreakintoindividualbricks.Brickswillcausemanyinjuriesbutlesssquashedbodiesthanconcreteslabs(水泥板).4)Ifyouareinbedduringthenightandanea

4、rthquakeoccurs,simplyrolloffthebed.Asafevoidwillexistaroundthebed.Hotelscanachieveamuchgreatersurvivalrateinearthquakes,simplybypostingasignonthebackofthedoorofeveryroomtellingoccupantstoliedownonthefloor,nexttothebottomofthebedduringanearthquake・5)Ifanearthquakehappensan

5、dyoucannoteasilyescapebygettingoutthedoororwindow,thenliedownandcurlupinlhefelalpositionnexlloasofaorlargechair.6)Mosteveryonewhogetsunderadoorwaywhenbuildingscollapseiskilled・How?Ifyoustandunderadoorwayandthedooijamb(门柱)fallsforwardorbackwardyouwillbecrushedbytheceilinga

6、bove.Ifthedoorjamfallssidewaysyouwillbecutinhalfbythedoorway.Ineithercase,youwillbekilled!7)Nevergotothestairs・ThestairshaveadifferentMmomentoffrequency"(theyswingseparatelyfromthemainpartofthebuilding).Thestairsandremainderofthebuildingcontinuouslybumpintoeachotheruntils

7、tructuralfailureofthestairstakesplace・Thepeoplewhogetonstairsbeforetheyfailarechoppedupbythestairtreads(踏板)-horriblymutilated(切断)•Evenifthebuildingdoesn'tcollapse,stayawayfromthestairs.Thestairsarealikelypartofthebuildingtobedamaged・Evenifthestairsarenotcollapsedbytheeart

8、hquake,theymaycollapselaterwhenoverloadedbyfleeingpeople・Theyshouldalwaysbecheckedforsafety,even

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