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
6
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
America’sInternetisfasterthaneverbefore,butpeoplestillcomplainabo
Questions15-21ReadingPassage2hasnineparagraphsA-I.Fromthelistofhead
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.
DHCP服务器收到Discover报文后,就会在地址池中查找一个合适的IP地址,
塑性混凝土是指混凝土拌和物坍落度为()的混凝土。A.小于10mm B.10-
女性,35岁,左上肢血压160/90mmHg(21.3/12kPa),右上肢血压
疫疠的致病特点是A.阻滞气血、多见疼痛 B.上犯头目、扰及心神 C.一气一病
A.促进扩散B.胞饮作用C.主动转运D.被动扩散E.渗透扩散蛋白质、多肽和脂溶性
人力资本战略评价与控制,应当做好()方面的工作。A.环境评价 B.问题确定
女,76岁。跌倒后左髋部疼痛,不能站立行走,既往高血压、肺病、糖尿病20余年,一
最新回复
(
0
)