lemasmartkeyboardThissmartkeyboardpreciselymeasuresthecade
ce（节奏）withwhicho
etypesa
dthepressurefi
gersapplytoeachkeyThekeyboard
couldofferastro
glayerofsecuritybya
alyzi
gthi
gsliketheforceofauser’stypi
ga
dthe
timebetwee
keypressesThesepatter
sareu
iquetoeachperso
Thusthekeyboardca

determi
epeople’side
titiesa
dbyexte
sio
whethertheyshouldbegive
accesstothecomputerit’sco
ectedtoregardlessofwhethersomeo
egetsthepasswordright
Italsodoes
’trequirea
ewtypeoftech
ologythatpeopleare
’talreadyfamiliarwith
Everybodyusesakeyboarda
deverybodytypesdiffere
tly
I
astudydescribi
gthetech
ologytheresearchershad100volu
teerstypetheword“touch”fourtimesusi
gthesmartkeyboardDatacollectedfromthedevicecouldbeusedto
recog
izediffere
tparticipa
tsbasedo
howtheytypedwithverylowerrorratesThe
researcherssaythatthekeyboardshouldbeprettystraightforwardtocommercializea
dismostly
madeofi
expe
siveplasticlikepartsTheteamhopestomakeittomarketi
the
earfliture
28Whydotheresearchersdevelopthesmartkeyboard
AToreducepressureo
keys
BToimproveaccuracyi
typi
g
CToreplacethepasswordsystemDTocutthecostofespaceprotectio

29Whatmakesthei
ve
tio
ofthesmartkeyboardpossible
fAComputersaremucheasiertooperate
BFi
gerpri
tsca
i
gtech
iquesdevelopfast
CTypi
gpatter
svaryfromperso
toperso

DDatasecuritymeasuresareguara
teed
30Whatdotheresearchersexpectofthesmartkeyboard
AIt’llbee
viro
me
tfrie
dlyBIt’llreachco
sumerssoo

CIt’llbemadeofplastics
DIt’llhelpspeeduptypi
g
31Whereisthistextmostlikelyfrom
AAdiary
BAguidebookCA
ovelDAmagazi
e
D
SummerEmployme
tOpportu
itiesDuri
gtherosyyearsofeleme
taryschool（小学）I
e
joyedshari
gmydollsa
djokeswhichallowedmetokeepmyhighsocialstatusIwasthe
quee
oftheplaygrou
dThe
camemytwee
sa
dtee
sa
dmea
girlsa
dcoolkidsThey
rosei
thera
ks
otbybei
gfrie
dlybutbysmoki
gcigarettesbreaki
grulesa
dplayi
gjokes
o
othersamo
gwhomIsoo
fou
dmyself
Popularityisawellexploredsubjecti
socialpsychologyMitchPri
stei
aprofessorof
cli
icalpsychologysortsthepopulari
totwocategoriesthelikablea
dthestatusseekersThe
likables’playswellwithothersqualitiesstre
gthe
schoolyardfrie
dshipsjumpstart
i
terperso
alskillsa
dwhe
tappedearlyareemployedeverafteri
lifea
dworkThe
there’
stheki
dofpopularitythatappearsi
adolesce
cestatusbomofpowera
deve
disho
orable
behavior
E
viableasthecoolkidsmayhaveseemedDrPri
stei
’sstudiesshowu
pleasa
t
co
seque
cesThosewhowerehighesti
statusi
highschoolaswellasthoser