首页
登录
职称英语
Our ape-men forefathers had no obvious natural weapons in the struggle for s
Our ape-men forefathers had no obvious natural weapons in the struggle for s
游客
2023-12-30
42
管理
问题
Our ape-men forefathers had no obvious natural weapons in the struggle for survival in the open. They had neither the【C1】________teeth nor the strong claws of the big cats. They could not【C2】________with the bear, whose strength, speed and claws【C3】________an impressive "small fire" weaponry. They could not even defend themselves by running【C4】________like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms in the open, they would have been【C5】________to failure and extinction.
But they were【C6】________with enormous concealed advantages of a kind not possessed by any of their competitors. In the search【C7】________the pickings of the forest, the ape-men had【C8】________efficient stereoscopic vision and a sense of color that the animals of the grassland did not possess. The ability to see clearly at close【C9】________permitted the ape-men to study practical problems in a way that lay far【C10】________the reach of the original inhabitants of the grassland.
Good long-distance sight was【C11】________another matter. Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the higher the【C12】________the greater the range of sight, so all they had to do was climb a tree out in the open. However, this simple solution was not【C13】________Climbing a hill would have helped, but in many【C14】________the ground was flat. The ape-men【C15】________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【C16】________disadvantages. It was extremely【C17】________and it meant that the already slow ape-men became slower still. 【C18】________, they persevered and their bone structure gradually became【C19】________to the new, unstable position that【C20】________them the name Homoerectus, upright man. [br] 【C1】
选项
A、stout
B、powerful
C、wonderful
D、hopeful
答案
B
解析
stout(结实的,顽强的);powerful(强大的,有力的);wonderful(精彩的,奇妙的);hopeful(有希望的)。结合常识可知应是“有力的”牙齿,故选B。
转载请注明原文地址:https://tihaiku.com/zcyy/3318188.html
相关试题推荐
Thefirstrecordeduseofnaturalgastolightstreetlampsitwasinthetowno
LordChathamwhohadthesamefeelingnaturallysecondedtheproposal,buthewo
Thestrugglebetweenlibertyandauthorityisthemost______featureintheporti
Itisreportedthatthemostadoptedchildrenwanttoknowtheirnaturalparents
Itisreportedthatthemostadoptedchildrenwanttoknowtheirnaturalparents
Thelong-rangegoalmustbetotakeawaywithnuclearweaponsaltogether.A、doaw
Yourhairhasanaturalwave_________mine’sjuststraightandboring.A、ifB、when
WehadbeeninAthensfornotmorethantwodaysthatitbecameobviousthatwe
Thereasonthehillswerenaturalplacesforplantingfruittreeswassincether
LordChathamwhohadthesamefeelingnaturallysecondedtheproposal,buthewo
随机试题
[originaltext]Wouldyouliketohaveacupofcoffee?[/originaltext][originalt
Itseemslogical:Collegegraduateshavelowerunemploymentandearnmoreth
[originaltext]M:Doyouthinkpeopletodaydoagoodjobofplanningforfinanc
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecaus
[originaltext]W:Iheardthatyouhadtakenanoptionalcourselastsemester.H
现行建设工程费用由()构成。A.分部分项工程费、措施项目费、其他项目费 B.
下列能够反映一个地区储蓄转换投资的效率情况的指标是()。A.固定资产投资总量
患者神疲思睡,动则心悸,常自汗,纳差乏力,面色不华,舌淡,脉沉细无力。其证候是A
往来流利,应指圆滑,如盘走珠为A.弦脉 B.滑脉 C.濡脉 D.涩脉 E
以下药物中,刺激性强、应该静脉冲入法给予的是A.氮甲 B.长春新碱 C.甲氨
最新回复
(
0
)