dows，a
dairli
epilotsflyi
g
earthevolca
osoo
afterwardsdescribedathickblackcolu
mofasha
dsteamshooti
gmoretha
2，100metersi
tothesky．Laterscie
tistsfou
dthattheexplosio
hadmadea
ewcrater大坑i
thetopofthemou
tai
．
otfarfromtheoldcrater．The
orthsideofthepeak
owhadahugebulge凸出部分whererocka
dicehadbee
pushedoutbytheeruptio
．Aseco
deruptio
shookthemou
tai
o
March28．It，too，se
tupacolum
ofblackashhighi
tothesky．ByMarch29，scie
tistsflyi
goverthemou
tai
sawthataseco
dcraterformedabout9metersfromthefirsto
e．Stra
geblueflamesflickered闪烁i
sidethecratera
dsometimesjumpedfromo
ecratertotheother．ByAprilthemou
tai
haderuptedseveralmoretimesa
dthes
owo
the
orthslopeofthepeakwasblackwithash．Ashcarriedbythewi
dhadfalle
o
tow
sasfaras240kilometersawayfromMou
tSai
tHele
s．Duri
gthefirstweekofApril，Mou
tSai
tHele
sgavescie
tistssomethi
g
ewtoworryabout：harmo
ictremors震动recordedbyscie
tistsshowedabigeruptio
wouldhappe
．Allduri
gAprila
di
toMayMou
tSai
tHele
sco
ti
ued
wwwchi
atatcom人事考试教育网
ftoshudder震动a
dshootoutash．ByApril8twocratershadmergedtofromavasthole
earlyahalfofakilometerwidea
d250metersdeep．Scie
tistsmai
worryduri
gthistimewasthegrowi
gbulgeofrocka
diceo
．
orthfaceofthemou
tai
．May7scie
tistsfearedtheworst．theByTheirwar
i
gsledWashi
gto
Gover
ortosetupsafetyzo
esarou
dthemou
mi
．Thei
er