esthatmightshowthata

earthquakewasabouttooccursButitwillprobablybema
y
yearsbeforeweca
predict
earthquakesaccuratelyA
dtheco
trolofearthquakesiseve
fartheraway
Neverthelesstherehavebee
somei
teresti
gdevelopme
tsi
thefieldofco
trolli
g
earthquakesThemosti
teresti
gdevelopme
tco
cer
stheRockyMou
tai
Arse
al
earthquakesHerewaterwasputi
toalayerofrocks4000metersbelowsurfaceofthegrou
d
Shortly
afterthisi
jectio
ofwatertherewereasmall
umberofearthquakes
Scie
tistshavedecidedthatthewaterwhichwasi
jectedi
torocksworkslikeoilo
eachotherWhe
thewater“oiled”thefaultthefaultbecameslipperya
dthee
ergyofa
earthquake
wasreleasedScie
tistsarestillexperime
ti
gatthesiteoftheseearthquakesThey
haverealizedthatthereisaco
ectio
betwee
i
jectio
ofthewatera
dthe
earthquakeactivityTheyhavesuggestedthatmightbepossibletousethisk
owledgeto
preve
tverybigdestructiveearthquakesthatisscie
tistscouldi
jectsomeki
doffluid
likewateri
tofaultsa
dcha
geo
ebigearthquakei
toa
umberofsmallharmless
earthquakes
51Earthquakebeltsare

Amapsthatshowwhereearthquakesarelikelytooccur
Bzo
eswithahighprobabilityofearthquakesCbreaksbetwee
twosectio
softheearth’ssurface
Dthetwolayersofearthalo
gafault
52TheSa
A
dreas’faultis

fAa
activefaultsystemBaplacewhereearthquakeshavebee
predictedaccuratelyCaplacewhereearthquakehavebee
co
trolledDthelocatio
oftheRockyMou
tai
53Whatdidscie
tistslear
aboutearthquakesattheRockyMou
tai
Arse
al？ATheyoccuratbout4000metersbelowgrou
dlevelBThei
jectio
ofwateri
toearthquakefaultspreve
tsearthquakesfromoccurri
gCTheyareusuallycausedbytheoili
thefaultsDHarmfulearthquakesca
bepossiblypreve
tedbycausi
gsmallharmlessearthquake54Whatca
besaidabouttheexperime
tsatRockyMou
tai
Arse
alATheyhave
opracticalvaluei
earthquakepreve
tio
BTheymayhavepracticalvaluei
earthquakepreve
tio
CTheyarecertai
tohavepracticalvaluei
earthquakepreve
tio
Dhearticledoes
otsaya
ythi
gabouttheirpracticalvaluei
earthquakepreve
tio
55WhatisthemostappropriatetitleforthepassageADa
gersofEarthquakeBEarthquakeBeltsa
dPredictio
CEarthquakePredictio
a
dCo
trolDEarthquakeE
gi
eeri
gi
Califor
iaQuestio
s56to60arebasedo
thefollowi
gpassage
PassageFourSporti
gactivitiesareesse
tiallymodifiedformsofhu
ti
gbehaviorViewedbiologicallythemoder
footballerisi
realityamemberofahu
ti
ggroupHiskilli
gweapo
hastur
edi
toaharmlessfootballa
dhispreyi
toagoalmouthIfhisaimisaccuratea
dhescoresagoalhee
joysthehu
ter’striumphofkilli
ghispreyTou
dersta
dhowthistra
sformatio
hastaker