市场研究者广阔。r
r
39Theco
ti
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theNorthAmerica
Rockiesthatdividesthewatersflowi
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r
39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。r
r
40StudiesofthegravityfieldoftheEarthi
dicatethatitscrusta
dma
tleyieldwhe
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usualweightisplacedo
themr
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40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。r
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41Thea
ualworthofUtah’sma
ufacturi
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thatofitsmi
i
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41尤它州制造业的年产值大于其工业和农业的总和。r
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42Thewallflowerissocalledbecauseitsweakstemsofte
growo
wallsa
dalo
gsto
ycliffsforsupportr
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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。r
r
43Itisthei
teractio
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peoplerathertha
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tsthatoccuri
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focusofsocialpsychologyr
r
43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。r
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44NosocialcrusadearousedElizabethWilliams’e
thusiasmmoretha
theexpa
sio
ofeducatio
alfacilitiesforimmigra
tstotheU
itedStatesr
r
44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。r
r
45Quailstypicallyhaveshortrou
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tofullflighti
sta
tlywhe
disturbedi
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r
45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。r
r
46Accordi
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r
46根据人类学家的说法，直立行走的人的鼻祖面部廓与黑猩猩相似，额头后倾，眉毛突出。r
r
47Notu
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allylaidr
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47直到1866年第一条横跨大西洋的电缆才完全成功的架通。r
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48I
hiswriti
gJoh
CroweRa
somdescribeswhatheco
sidersthespiritualbarre
essofsocietybroughtaboutbyscie
cea
dtech
ologyr
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48Joh
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。r
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49Childre
withpare
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r
49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。r
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50Thea
cie
tHopewellpeopleofNorthAmericaprobablycultivatedcor
a
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ti
ga
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gwerestillofcriticalimporta
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50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r