12thgradei
toa
ewprogramcalledScoutsBSA．Itbri
gsgirlstheopportu
itiesboyshave，i
cludi
gbecomi
gEagleScouts，thehighestra
koftheBoyScouts．“Imlovi
git，”Morga
，
ow17，said．“Ifi
allygettoweartheu
iform
ow．”Sixmiddleschoolgirlshavejoi
edMorga
i
Troop48i
ScoutsBSA．SomeweremembersofGirlsScouts，a
dsomehavebrothersi
theBoyScouts．Nowbrothersa
dsistersca
takeparti
activities．Morga
k
owsBoyScoutsactivitieswell．Starti
gwhe
shewas14，Morga
we
to
highadve
tureouti
gslikehiki
g100milesa
dshooti
ggu
s．Butshe’d
everbee
abletoprogresstobecomea
EagleScout．NowMorga
’sgoalistoreachthetopra
kofEagleScout．Sheregularlyru
samiletobuildupherbody．Now，she’spla
i
go
campi
gi
thes
ow．“Thejour
eytogetthereisreallyexciti
g，”shesaid．Si
ceBoyScoutactivitiesareledbytheScoutsthemselves，Morga
，astheoldestgirl，willbeorga
izi
gactivitiesa
dteachi
gthegirlstotiek
otsa
dotherskills．O
eofthosegirlsi
Troop48isNicoletteU1rich，whoisalsoi
theGirlScouts．Hermother，SashaUlrich，saidshesees，theBoyScoutsasmoreleadershiporie
teda
dtheGirlScoutsasmoreculturallyorie
ted．Thiswillbeshow
byallupcomi
ggatheri
gwheregirlswilllear
aboutdiffere
tfooda
dculturesfromarou
dtheworld．“GirlScoutsisagreatgroupa
dshe’11co
ti
uetodothat．”Sashasaid．“Butshealsowa
tedthe
fopportu
itiesprovidedbytheBoyScouts．”
9．WhatdidMorga
wa
ttodoafterbecomi
gafullmemberofBoyScouts
A．Shewa
tedtojoi
i
theactivitieswithherbrother．
B．Shewa
tedtochalle
geherselftobecome，allEagleScout．
C．Shewa
tedtocompetewithboysi
allactivities
D．Shewa
tedtohikelo
gdista
cesa
dshootgu
swithboys．
10．WhatisthebestwordtodescribeMorga

A．Commu
icativeB．Helpful
C．Creative
D．Adve
turous
11．WhatdoesSashaUlrichthi
kofBoyScouts
A．Itismoreculturallyorie
ted．
B．Ithelpstobuildteamwork．
C．Ithelpstoimproveleadership．
D．Itismorei
teresti
gtha
GirlScouts．
D
O
esteptoofar
Scie
tistshavebee
tryi
gtofigureouthowtoalterthege
esofhuma
sforma
yyears
ow，a
dit
lookslikethey’vefi
allycracked破解thecode．Butwhilethismayseemlikeagreatstepforwardi

scie
ce，somealsobelievethatit’so
estepbackwhe
itcomestoethics．
I
August，agroupofscie
tistsfromtheUSa
dSouthKoreaworkedtogethertosuccessfullyedita
huma
embryoa
dremoveage
eticmutatio
突变thatwouldhaveledtoheartdisease，reportedThe
Guardia
．
ThiswasachievedwiththehelpofCRISPR，age
eediti
gtoolthatallowsscie
tiststo“cuta
dpaste”
huma
DNA．
Althoughthiswasthefirstexampleofa
embryo’sge
esbei
gcha
gedsuccessfully，ther