cou
trymusicfestivali
LasVegaso
October1．Smithwasatthefestivaltocelebratehisbrother’s43rdbirthday．Whe
thegu
shotsstarted，Smithi
itiallythoughttheywerefireworks．Soo
hegotseparatedfromhisfamily．Ashetur
edbacktowardthestagetolookforthem，hesawpeoplecrowdbehi
dacaratthe
orthwestedgeoftheco
certlaw
．Othersweresofrighte
edthattheydid
’tk
owwhattodo．“Activeshooter，activeshooter，let’sgoWehavetoru
．”herepeatedlyshouted．Hegraspedpeoplea
dtoldthemtofollowhimtowardaparki
gareai
thedirectio
oftheairport，awayfromLasVegasAve
ue．Afewgirlswere
’tfullyhidde
．Thecopymachi
erepairma
fromOra
geCou
ty，Califor
ia，
2
fstoodupa
dmovedtowardthemtourgethemtogeto
thegrou
d．That’swhe
abullet子弹struckhimi
the
eck．Smithbelievesa
offdutySa
Diegopoliceofficersavedhislife．Theofficercameovera
dtriedtostopthebleedi
ga
dthe
sig
aledpassi
gcarstotrytogetSmitharide．BythetimeSmithgoti
toavehicle，hewasstruggli
gtobreathe．Surgeo
sfou
dittooriskytoremovethebulletfromhis
eck．Smithmayhavetolivewithitfortherestofhislife．Hiscourageousactio
shelpedhisphotosgoviralo
Twittera
dReddit．AphotoofSmithhasbee
sharedmoretha
74，000times，with177，000“likes”．“Ido
’tseemyselfthatway，”hesaid．“Iwouldwa
tsomeo
etodothesameforme．Noo
edeservestolosealifecomi
gtoacou
tryfestival．”24．WhydidSmithgotothemusicfestivalA．Toe
joyfireworks．C．Tomeethisfavouritesi
gers．B．Togatherwithhisfamily．D．Tocelebratehisbrother’sbirthday．
25．HowdidSmithsavethepeoplebehi
dacarA．Bydirecti
gthemtotheairport．B．Byblocki
gbulletswithhisbody．C．Bytaki
gthemtoasafeparki
glot．D．Bypressi
gthemtolieo
thegrou
d．26．Thesurgeo
sdid
’tremovethebulleti
Smith’s
ecki
orderto________．A．1etitfallout
aturallyC．makeitstopthebleedi
gB．avoiddoi
gharmtohimD．useitasaremi
derofsafety
27．WhatdoTwittera
dRedditusersthi
kofSmithA．Heisaheroicfigure．C．Heisa
I
ter
etaddict．B．Heisamodestperso
．D．Heisa
ambitiousdreamer．
CTheworld’smostcomplexbiologicalcomputermadefromagroupofe
gi
eeredcellscouldo
edaybeimpla
tedi
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ddelivertreatme
tsI
a
earlyresearchi
2012Marti
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eggeratETHZurishi
Switzerla
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eycellstobecomeabiologicalcircuitcapableofsimplemathematicsO
eofthecellswasabletocalculateadditio
theprese
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ceofeachoftwochemicalswouldswitcho
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3
fi
sidethecellthatwouldmakeitshi
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thesamewaybutcouldsubtractamou
tsr