具特色的博物馆，
可以带给孩子们一些新的体验。
9．解析：选C。事实细节题。第三段中的“picturesofstarsi
thesky”与u
iverse宇
宙相对应。
10．解析：选C。事实细节题。根据第四段最后一句可知，在Youtheater，孩子们可以
观看木偶的制作过程。
11．解析：选B。猜测词义题。根据最后一段中“Theyllkeepyourchildme
tally
a
dphysicallyactivewhilepushi
gbutto
s，experime
ti
g，a
dbuildi
g”可
知，这里指通过动手操作而学习的方式。
12．解析：选C。推理判断题。概括全文可知，本文主要介绍了带孩子去游览的几家各
具特色的博物馆。
D
Ocea
a
imalshavebee
getti
gbiggeroverthelast
halfbillio
yearsNotalittlebiggerNoteve
alot
biggerTheyhavebee
mushroomed迅速增长的greatly，
scie
tists
owco
clude
Their
ewfi
di
gle
dssupportforsomethi
gk
ow
as“Copesrule”Itholds
thata
imalste
dtoevolvei
tospeciesthataremuchlargertha
theirdista
t
a
cestorsThishypothesistakesits
amefromthe19thce
turypaleo
tologist
EdwardDri
kerCopeWhilestudyi
gfossils化石hewasthefirstto
otice
fthis_tre
dNoelHeimisapaleo
tologistatSta
fordU
iversityi
PaloAltoCalifHe
isalsoacoauthorofthe
ewstudyHisteamcomparedthebodysizeofa
imalsbetwee
theCambria
Perioda
dmoder
timesThiswasaspa
of542millio
yearsThea
imalsstudiedi
cludedmoretha
17000speciesTheyra
gedfroma
cie
ttrilobitesplesiosaursa
dma
ylessfamiliarcreaturestotodayswhalesa
dclams蛤蚌．
Mari
ea
imalstodayarea
averageof150timeslargertha
theywereduri
gtheCambria
Period，HeimsgroupreportsButthereexistexceptio
sThesmallesta
imalsalivetodayti
ycrustacea
scalledostracods－areo
lyabouto
ete
ththesizeoftheCambria
sti
iesta
imalsTodayslargestmari
ea
imalswhalesaremoretha
100000timesbiggertha
thebiggesti
theCambria
PeriodThesizegai
si
mari
ea
imalsaremuchlargertha
whatwouldbeexpectedbycha
cesaysJo
atha
Pay
eHesacoauthorwhoalsoworksatSta
ford
Sowhatdrivesthetre
dO
epossibilityisa
armsrace武力竞争betwee
predatorsa
dpreyTheideahereisthatlargera
imalsarelesslikelytobecomesomeothera
imalss
acksA
otherpossibilityhassomethi
gtodowithoxyge
La
da
imalsevolvedfromspeciesthatstartedi
theocea
Someofthesela
dmammalsa
dreptiles爬行动物eve
tuallyretur
edtotheocea
A
dtheykepttheabilitytobreatheoxyge
richairThatmayhavemadeiteasierforthemtooutgrowa
imalsthathadtofiltertheiroxyge
outofthewater
13．Whatdoestheu
derli
edpart“thistre
d”i
Paragraph2refertoA．A
imalste
dtoevolvei
todiffere
tspeciesB．A
imalste
dtogrowstro
gerthroughevolutio
C．A
imalste
dtor