如果您无法下载资料，请参考说明：
1、部分资料下载需要金币，请确保您的账户上有足够的金币
2、已购买过的文档，再次下载不重复扣费
3、资料包下载后请先用软件解压，在使用对应软件打开
职称英语考试阅读判断专项辅导题2017年职称英语考试阅读判断专项辅导题学习并不等于就是摹仿某些东西，而是掌握技巧和方法。以下是小编为大家搜索整理的2017年职称英语考试阅读判断专项辅导题，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!EruptionsofMountSaintHelensOnMarch27,theUSGovernmentscientistsmadeadecisionaftertheypredictedtheeruptionofMountSaintHelens.Theytelephonedallstateandlocalofficialsintheareaandtoldthemthataseriouseruptionwaspossibleatanytime.Roadswereclosedtoeveryoneexceptscientistsandforestkeepersstruggledtokeepcuriousvisitorsawayfromthemountain.ShortlyafternoononMarch27,MountSaintHelenseruptedforthefirsttimein123years.Peoplelivingnorthofthemountainheardaloudboomthatshooktheirwindows,andairlinepilotsflyingnearthevolcanosoonafterwardsdescribedathickblackcolumnofashandsteamshootingmorethan2,100metersintothesky.Later,scientistsfoundthattheexplosionhadmadeanewcrater(大坑)inthetopofthemountain,notfarfromtheoldcrater.Thenorthsideofthepeaknowhadahugebulge(凸出部分)whererockandicehadbeenpushedoutbytheeruption.AseconderuptionshookthemountainonMarch28.It,too,sentupacolumnofblackashhighintothesky.ByMarch29,scientistsflyingoverthemountainsawthatasecondcraterformedabout9metersfromthefirstone.Strangeblueflamesflickered(闪烁)insidethecraterandsometimesjumpedfromonecratertotheother.ByAprilthemountainhaderuptedseveralmoretimesandthesnowonthenorthslopeofthepeakwasblackwithash.Ashcarriedbythewindhadfallenontownsasfaras240kilometersawayfromMountSaintHelens.DuringthefirstweekofApril,MountSaintHelensgavescientistssomethingnewtoworryabout:harmonictremors(振动)recordedbyscientistsshowedabigeruptionwouldhappen.AllduringAprilandintoMayMountSaintHelenscontinuedtoshudder(振动)andshootoutash.ByApril8,twocratershadmergedtofromavastholenearlyahalfofakilometerwideand250metersdeep.Scientists'mainworryduringthistimewasthegrowingbulgeofrockandiceon.thenorthfaceofthemountain.ByMay7scientistsfearedtheworst.TheirwarningsledWashingtonGovernortosetupsafetyzonesaroundthemountain.Theinner"red"zonewasopentoscientistsonly.Theouter"blue"zonewasopenonlytopeoplewhogotspecialpermits
立即下载
