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
29
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] (5)
选项
A、in the open
B、in open
C、at the open
D、at open
答案
A
解析
in the open为固定短语,表示“在露天”。从文章首句及第三段第二句也可找到该词组。
转载请注明原文地址:https://tihaiku.com/zcyy/3175332.html
相关试题推荐
TheAmericansocietyis______anexceedinglyshakyfoundationofnaturalresour
Obviously,theChairman’sremarksattheconferencewere________andnotplanned.
Thedesegregationwasachievedthroughanumberofstruggles,________beenment
NaturalResources[audioFiles]2013q2/audio_ezfj_011_20133[/audioFiles]
He’snotour______son—weadoptedhimwhenhewasthree.A、primitiveB、naturalC
Obviously,theChairman’sremarksattheconferencewere______andnotplanned.
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
Thedifferencebetweenaliquidandagasisobvious(1)_____theconditions
随机试题
Let’sproceedtothemainexhibithallandlookatsomeoftheactualvehicl
WhichofthefollowingsentencesisINCORRECT?A、Youhaveamorebeautifulwifet
【教学过程】 (一)创设情境,导入新课 教师创设情境,播放电视剧《神话》楚汉之争片段;引发学生思考,并提问:影片片段中讲述了哪段历史故事?胡歌所扮演的角
下列不属于计划经济体制下中国社会行政的特点的是()A.政府主体 B.专业化
下面不会产生ICMP差错报文的是()。A.路由器不能正确选择路由 B.路
CPU是一块超大规模集成电路,其主要部件有( )。A.运算器、控制器和系统总线
下面信息中(49)包含在TCP头中而不包含在UDP头中。A.目标端口号 B.顺
目前,我国开展债券回购交易业务的场所有()。A:深圳证券交易所 B:全国银行
(2016年真题)根据民法典的规定,下列选项中,属于用益物权的有()。A.宅基
下列关于现浇混凝土楼板的说法,不正确的是()。A.长短边比值<3,四边支承的为
最新回复
(
0
)