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
2023-11-10
36
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] (15)
选项
A、low
B、flat
C、lowland
D、level
答案
B
解析
本句中提到“爬上小山应该能起一定作用,但是许多地方的地面是 ”。but提示此处要表达的意思是没有山可以爬。即地势平坦,故选B项flat“平坦的”。
转载请注明原文地址:https://tihaiku.com/zcyy/3175342.html
相关试题推荐
TheAmericansocietyis______anexceedinglyshakyfoundationofnaturalresour
Obviously,theChairman’sremarksattheconferencewere________andnotplanned.
Thedesegregationwasachievedthroughanumberofstruggles,________beenment
WhatistheargumentofRussiaasfarasthenaturalgassellingisconcerned?[
Angeristhenaturalreactionweexperiencewhenwefeelthreatenedor______.A、d
Obviously,theChairman’sremarksattheconferencewere______andnotplanned.
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
随机试题
Doyouhaveanafternoon______thisweektomeetthePresident?A、obtainableB、ava
Whales,severalspeciesofwhichfaceextinction,havebecomesubjectsofconsid
AsSesameStreetkicksoffits40thanniversaryseasonTuesday,withfirstl
Inmanycountries,authorityisseldomquestioned,eitherbecauseitishigh
《中华人民共和国保险法》第三十条规定:“对合同格式条款有两种以上解释的,人民法院
我国生态建设规划有( )。A:加强以京津地区风沙源和水源为重点的治理和保护,建
患者男,50岁。右下肢跛行5年,诊断为雷诺综合征。该患者首选的治疗药物是( )
“生存一关系一成长”理论与马斯洛的需要层次理论的区别有()。A.前者不强调需要
“此日漫挥天下泪,有公足壮海军威”歌颂的是在甲午海战中牺牲的()。A.邓世昌
在经常性安全教育中,最重要的是()。A.安全思想教育 B.安全技术教育
最新回复
(
0
)