英語必修一人教新課標：unit4earthquakes課件

英語必修一人教新課標課件：unit4earthquakes精品PPT2Howtoprepareforanearthquake

Anearthquakeisaverydangerousnaturaldisaster,particularlyinthePacificRimregion(太平洋板塊).Infact,scientistsnowbelievethatthehighlypopulatedSouthernCalifornian(加利福尼亞的)areaislongoverdueforamassiveearthquakealongtheSanAndreasFault.3

Afteranearthquake,yourhomecouldbeamessandyoumightbeleftwithoutawatersupplyandenergy.Thereareseveralthingsyoucandotoprepareforanearthquakebeforeithappens,tominimizethedamageandpotentialforinjuryinandaroundyourhome.4

1.Makesurethatthehotwaterheaterisstableandcannottopple(倒下；不牢固)over.Evaluateyourelectricalwiring,electricalappliances(家用電器),andgasconnections.Doanyrepairsifneeded.Duringanearthquake,faultyfittingsandwiring5canbecomeapotentialfiredanger.Whensecuringappliances,besurenottodrillholesinthem—useexistingholes,ormakeloopsfromleather,etc.,thatcanbegluedontoanappliance.Keepappliancesturnedoffandunplugged,sothattheoutletisnotnearthemetalpartofthecord.6

2.Chimneybricksfalleasilyduringanearthquake.

1)Lookaroundyourhouse.Thehouseappearanceshouldalsobecheckedforweaknessesduringanearthquake.

2)Ifyourhousehasachimney,thiscanbeasourceofinjuryifittopplesduringanearthquake.Secureittothewallsofthehouseusinggalvanized(鍍鋅的)metalanglesandbandsatthetop,ceilingline,andbase.7

3.Practiceearthquakedrillsathome.

1)Identifysafeplacesbothindoorsandoutdoors.Examplesinclude:understudyfurniture,againstaninsidewall(wheretheothersideisnotexposedtotheoutdoors),awayfrommirrorsorwindows,orintheopenawayfrombuildingsandtrees.Ifyoudon’tneedthemanymore,youcanthrowthemaway.8

2)ReadwikiHow’sarticlesonHowtosurviveanearthquake.Dealwithbeingindoorsduringanearthquake,andhowtoreactduringanearthquakeformoreinformationonwhattododuringanearthquake.9

3)Educateyourselfandthoseinyourfamilyaboutwhatyourfamilyshoulddointheeventofanearthquake.Decideinadvanceonthebestplacetogoduringanearthquakeandwhattheycandoifyouareincapacitated.

4)Ifyouhavecivildefensesafetymeetingpoints,besurethateverymemberofthefamilyknowsthelocationoftheoneclosesttohome,school,andwork.10

4.Trytodeveloproutesandmethodsforgettinghomeafteranearthquakehasoccurred.Sincethereisnoprecisetimeofdaywhenanearthquakemightstrike,youmaybeatwork,atschool,onabus,orinatrainwhenonestrikes.Itishighlylikelythatyouwillneedtoknowseveralwaystogethomesinceroadsandbridgeswilllikelybeobstructedforlongperiodsoftime.11

5.Preparesuitablesupplies.Preparedisastersuppliesinadvance.Thefollowingitemsareimportanttohavereadilyavailableinyourhome,situatedin