首页
登录
职称英语
Our ape-men forefathers had no obvious natural weapons in the struggle(1)___
Our ape-men forefathers had no obvious natural weapons in the struggle(1)___
游客
2024-10-06
26
管理
问题
Our ape-men forefathers had no obvious natural weapons in the struggle(1)_____ survival in the open. They had neither the powerful teeth nor the strong claws of the big cats. They could not (2)_____ with the bear, whose strength, speed and claws(3)_____ an impressive "small-fire" weaponry. They could not even defend themselves (4)_____ running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms(5)_____, they would have been(6)_____ to failure and extinction. But they were(7)_____ with enormous concealed advantages of a kind not possessed by any of their competitors.
In the search(8)_____ the pickings of the forest, the ape-men had(9)_____ efficient stereoscopic vision and a sense of colour that the animals of the grasslands did not possess. The ability to see clearly at close range permitted the ape-men to study practical problems(10)_____ that lay far (11)_____ the reach of the original inhabitants of the grassland. Good long-distance sight was(12)_____ another matter.
Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the higher the viewpoint, the greater the range of sight—so(13)_____ they had had to do was climb a tree. Out in the open, however, this simple solution was not(14)_____. Climbing a hill would have helped, but in many places the ground was(15)______. The ape-men(16)_____ the only possible solution. They reared up as high as possible on their hind limbs and began to walk upright.
This vital change of physical position brought about considerable(17)_____. It was extremely unstable and it meant that the already slow ape-men became slower still.(18)_____, they persevered and their bone structure gradually became(19)_____ to the new, unstable position that(20)_____ them the name Homo Erectus, upright man. [br] (8)
选项
A、for
B、of
C、on
D、at
答案
A
解析
空格后的the pickings of the forest(森林中可以采摘的东西)是寻找的目标,for表示(寻找)目标.故选A。
转载请注明原文地址:https://tihaiku.com/zcyy/3789899.html
相关试题推荐
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
随机试题
Peoplewhoworkinemergencyservicesmustbeready______atamoment’snotice.
Thecompanyhasconsistentlydeniedresponsibility,butitagreedtothesettlem
[originaltext]M:Excuseme,Iwonderifyoucouldhelpme?W:Ofcourse.Howca
在流行性脑脊髓膜炎流行中,下列哪种感染形式最常见A.上呼吸道感染,鼻咽炎 B.
A. B. C. D.
A. B. C. D.
审计证据按照外形特征可以划分为()。A.实务证据 B.书面证据 C.
A.利尿通淋 B.凉血利咽 C.清肝明目 D.杀虫止痒 E.活血止痛鱼腥
纳税人采用赊销、分期付款结算方式的,其增值税纳税义务的发生时间为()。A、货物发
关于高路堤施工技术的说法,错误的是()。A.高路堤段应优先安排施工,宜预留1
最新回复
(
0
)