referstoa
imagi
aryli
ei
theNorthAmerica
Rockiesthatdividesthewatersflowi
gi
totheAtla
ticOcea
fromthoseflowi
gi
tothePacific39大陆分水岭是指北美洛矶山脉上的一道想象线，该线把大西洋流域和太平洋流域区分开来。40StudiesofthegravityfieldoftheEarthi
dicatethatitscrusta
dma
tleyieldwhe
u
usualweightisplacedo
them40对地球引力的研究表明，在不寻常的负荷之下地壳和地幔会发生位移。41Thea
ualworthofUtah’sma
ufacturi
gisgreatertha
thatofitsmi
i
ga
dfarmi
gcombi
ed41尤它州制造业的年产值大于其工业和农业的总和。42Thewallflowerissocalledbecauseitsweakstemsofte
growo
wallsa
dalo
gsto
ycliffsforsupport
f上传社区地址：wwwallicccom
42墙花之所以叫墙花，是因为其脆弱的枝干经常要靠墙壁或顺石崖生长，以便有所依附。43Itisthei
teractio
betwee
peoplerathertha
theeve
tsthatoccuri
theirlivesthatisthemai
focusofsocialpsychology43社会心理学的主要焦点是人与人之间的交往，而不是他们各自生活中的事件。44NosocialcrusadearousedElizabethWilliams’e
thusiasmmoretha
theexpa
sio
ofeducatio
alfacilitiesforimmigra
tstotheU
itedStates44给美国的新移民增加教育设施比任何社会运动都更多的激发了ElizabethWilliams的热情。45Quailstypicallyhaveshortrou
dedwi
gsthate
ablethemtospri
gi
tofullflighti
sta
tlywhe
disturbedi
theirhidi
gplaces45典型的鹌鹑都长有短而圆的翅膀，凭此他们可以在受惊时一跃而起，飞离它们的躲藏地。46Accordi
gtoa
thropologiststheearliesta
cestorsofhuma
sthatstooduprightresembledchimpa
zeesfaciallywithslopi
gforeheadsa
dprotrudi
gbrows46根据人类学家的说法，直立行走的人的鼻祖面部轮廓与黑猩猩相似，额头后倾，眉毛突出。47Notu
til1866wasthefullysuccessfultra
satla
ticcablefi
allylaid47直到1866年第一条横跨大西洋的电缆才完全成功的架通。48I
hiswriti
gJoh
CroweRa
somdescribeswhatheco
sidersthespiritualbarre
essofsocietybroughtaboutbyscie
cea
dtech
ology48Joh
CroweRa
som在他的著作中描述了他认为是由科学技术给社会带来的精神贫困。49Childre
withpare
tswhoseguida
ceisfirmco
siste
ta
dratio
alarei
cli
edtopossesshighlevelsofselfco
fide
ce49父母的教导如果坚定，始终如一和理性，孩子就有可能充满自信。50Thea
cie
tHopewellpeopleofNorthAmericaprobablycultivatedcor
a
dothercropsbuthu
ti
ga
dgatheri
gwerestillofcriticalimporta
cei
theireco
omy50北美远古的Hopewell人很可能种植了玉米和其他农作物，但打猎和采集对他们的经济贸易仍是至关重要的。51Usi
gma
ysymbolsmakesitpossibletoputalargr