首页
登录
职称英语
Our ape-men forefathers had no obvious natural weapons in the struggle for su
Our ape-men forefathers had no obvious natural weapons in the struggle for su
游客
2023-11-22
10
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 powerful teeth nor the strong claws of the big cats. They could not 【B1】______ with the bear, whose strength, speed and claws 【B2】______ an impressive ’smallfire’ weaponry. They could not even defend themselves 【B3】______ running swiftly 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 【B4】______ to failure and extinction. But they were 【B5】______ with enormous concealed advantages of a kind not possessed by any of their competitors.
In the search 【B6】______ the pickings of the forest, the ape-men had 【B7】______ 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 in a way that lay far 【B8】______ the reach of the original inhabitants of the grassland. Good long- distance sight was 【B9】______ 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 【B10】______ they had had to do was climb a tree. Out in the open, however, this simple solution was not 【B11】______ . Climbing a hill would have helped, but in many places the ground was flat. The ape-men 【B12】______ 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 disadvantages. It was extremely unstable and it meant that the already slow ape-men became slower still.【B13】______ , they persevered and their bone structure gradually became【B14】______ to the new, unstable position that【B15】______them the name Homo erectus, upright man. [br] 【B4】
选项
A、driven
B、doomed
C、forced
D、led
答案
B
解析
习惯用法知识。be doomed to sth.(一般为death、failure等一类的词)表示“注定……”。be driven to后常接madness、sorrow等一类的词。lead to一般为主动式。
转载请注明原文地址:https://tihaiku.com/zcyy/3210148.html
相关试题推荐
Naturallytheyoungaremoreinclinedtonoveltythantheireldersanditis
Thatexperiencesinfluencesubsequentbehaviorisevidenceofanobviousbu
Thatexperiencesinfluencesubsequentbehaviorisevidenceofanobviousbu
Canalsarewatercoursesconstructedtoimproveandextendnaturalwaterways
AMarxistsociologisthasarguedthatracismstemsfromtheclassstruggle
NationalParkconservationiststhink______concessionstandsspoilthenaturalb
Bycuttingdowntreeswe______thenaturalhabitatofbirdsandanimals.A、damag
Canalsarewatercoursesconstructedtoimproveandextendnaturalwaterways
Canalsarewatercoursesconstructedtoimproveandextendnaturalwaterways
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
随机试题
ThingsYouCan’tSayinCanadaA)Attackingoursacredcows(thingsorpeo
WhenI______mysenses,Ifoundmyselfwrappedupinbedinmylittleroom,wit
MostAmericansspendfarmoreoftheirleisuretimewiththemassmediathan
当煤矿发生事故后,矿山救护队长对救护队的行动具体负责、全面指挥。当需要多支矿山救
教师评价的定义是() A.对教师工作现实的或潜在的价值做出判断的活动
关于异位妊娠的临床表现说法错误的是A、有6~8周的停经史 B、突感下腹一侧撕裂
共用题干 ScientistsDevelopWaysofDetecti
药品入库要严格验收;60件货物应该抽取A.1件 B.2件 C.3件 D.4
社区体育活动是指以基层(微型)社区为区域范围,以辖区自然环境和体育设施为物质基础
在网络图中,相对于某工作而言,从该工作之后开始,顺箭头方向经过一系列箭线与节点到
最新回复
(
0
)