首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Our ape-men forefathers had no obvious natural weapons in the struggle for survival in the open. They had neither the powerful t
Our ape-men forefathers had no obvious natural weapons in the struggle for survival in the open. They had neither the powerful t
admin
2010-01-15
66
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【C1】______ 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【C4】______ 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【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 colour that the animals of the grasslands 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 viewpoint, the greater the range of sight- so【C12】______ 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 places the ground was flat. The ape-men【C14】______ the only possible solution. They reared up as high as possible on their【C15】______ limbs and began to walk upright.
This【C16】______ change of physical position brought about considerable【C17】______ .It was extremely unstable 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 Homo erectus, upright man.
【C15】
选项
A、back
B、hind
C、behind
D、front
答案
B
解析
hind limb后腿。
转载请注明原文地址:https://kaotiyun.com/show/vd6K777K
0
专业英语四级
相关试题推荐
(1)HighinthemountainsofsouthernFrance,thesleepytownofAurillachasfewobviouscharmstoattracttheoutsider.Ifthe
A、Neithergoodnorbad.B、Bright.C、Disappointing.D、Gloomy.A本题考查今年职场前景如何。女士从各个行业机会的此消彼长、新增就业机会的具体数目、雇主对全职雇员的需求等角度作答,最后总结Soit’
A、ShedevelopsvirtuallynativelevelofMandarin.B、HerFrenchisobviouslybetterthanEnglish.C、ShespeaksFrenchonmanyoc
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
LanguageandHumanityLanguageispowerfulanditcanhelpusdoorgetthingsaswewish.Languageasaborntrait•Langua
随机试题
基本型群钻的内刃是修磨的内刃前面与月牙槽后面的交线。()
井巷穿过含水层时对水文地质的观测,要求详细描述的内容包括()。
CIFLinerTerms和CIFLanded合同的主要区别是,在后一种贸易术语下,买方不仅要承担卸货费,而且还需支付有可能产生的驳船费与码头费。()
上海世博电器(中国)有限公司与应运(香港)有限公司签订进口电路板组立(零部件)及不作价关键设备(未列入不予免税目录)的合同(合同期一年),升在货物进口前办妥海关备案手续。货物于2009年1月28日由KA802航班经香港运抵上海浦东机场,具境内目的地
中央银行与政府的关系主要体现在列于负债方的接受政府等机构的存款,列于资产方的通过持有政府债券融资给政府和为国家外汇储备、黄金等项目,主要描述的是中央银行的()职能。
学生在开展以“保护绿水青山”为主题的综合实践活动过程中,自己选择指导教师,遇到问题积极主动查阅资料,确定活动方案,自觉呈现活动结果。这体现出综合实践活动课程的()。
世间上的良缘除了“天”助还少不了一人的帮忙,这就是“红娘”,“红娘”的由来出自()。
МеняоченьинтересуютстихиМаяковского,_____светлыйобразЛенина.
Wherearetheytalking?
In1969,theNationalWildlifeFederationbegantorecordanindexofenvironmentalqualitywhichmeasuresprogressordeclinei
最新回复
(
0
)