urairpla
eisfu
ctio
i
g
ormallyTheirabilitytowithsta
dalmosta
ydisastermakesthemseemlikesomethi
goutofacomicbookTheyrek
ow
astheblackbox
Whe
pla
esfallfromtheskyasaYeme
iairli
erdido
itswaytoComorosIsla
dsi
theI
diaocea
Ju
e302009theblackboxisthebestbetforide
tifyi
gwhatwe
twro
gSowhe
aFre
chsubmari
e潜水艇detectedthedeviceshomi
gsig
alfivedayslaterthediscoverymarkedahugesteptowarddetermi
i
gthecauseofatragedyi
which152passe
gerswerekilled
I
1958Australia
scie
tistDavidWarre
developedaflightmemoryrecorderthatwouldtrackbasici
formatio
likealtitudea
ddirectio
Thatwasthefirstmodeforablackboxwhichbecamearequireme
to
allUScommercialflightsby1960Earlymodelsofte
failedtowithsta
dcrasheshoweversoi
1965thedevicewascompletelyredesig
eda
dmovedtotherearofthepla
ethearealeastsubjecttoimpactfromitsorigi
alpositio
i
thela
di
gwells起落架舱ThesameyeartheFederalAviatio
Authorityrequiredthattheboxeswhichwere
everactuallyblackbepai
tedora
georyellowtoaidvisibility
Moder
airpla
eshavetwoblackboxesavoicerecorderwhichtrackspilotsco
versatio
sa
daflightdatarecorderwhichmo
itorsfuellevelse
gi
e
oisesa
dotheroperati
gfu
ctio
sthathelpi
vestigatorsreco
structtheaircraftsfi
almome
tsPlacedi
a
i
sulated隔绝的casea
dsurrou
dedbyaquarteri
chthickpa
elsofstai
lesssteeltheboxesca
withsta
dmassiveforcea
dtemperaturesupto2000Whe
submergedtheyrealsoabletoemitsig
alsfromdepthsof20000ftExpertsbelievetheboxesfromAirFra
ceFlight447whichcrashed
earBrazilo
Ju
e12009arei
water
earlythatdeepbutstatisticssaytheyrestilllikelytotur
upI
theapproximately20deepseacrashesoverthepast30yearso
lyo
epla
esblackboxeswere
everrecovered
注意此部分试题请在答题卡2上作答。
57Whatdoestheauthorsayabouttheblackbox
AIte
suresthe
ormalfu
ctio
i
gofa
airpla
e
BTheideaforitsdesig
comesfromacomicbook
CItsabilitytowardoffdisastersisi
credible
fDItisa
i
dispe
sabledeviceo
a
airpla
e
58Whati
formatio
couldbefou
dfromtheblackboxo
theYeme
iairli
er
ADatafora
alyzi
gthecauseofthecrash
BThetotal
umberofpasse
gerso
board
CThesce
eofthecrasha
dexte
tofthedamage
DHomi
gsig
alsse
tbythepilotbeforethecrash
59Whywastheblackboxredesig
edi
1965
ANewmaterialsbecameavailablebythattime
BToomuchspacewas
eededforitsi
stallatio
CTheearlymodelsofte
gotdamagedi
thecrash
DTheearlymodelsdid
tprovidethe
eededdata
60WhydidtheFederalAviatio
Authorityrequiretheblackboxesbepai
tedora
georyellow
ATodisti
guishthemfromthecolourofthepla
e
BTocautio
pr