精品推荐
阅读排行
· 工程竣工验收报告· 大学生毕业自我鉴定
· 大学生自我鉴定7
· 大学毕业生自我鉴定
· 大学生学年自我鉴定
· 大学毕业生自我鉴定
· 师范生实习鉴定评语
· 给老师的一封感谢信
· 心理健康教育论文
· 黑板报设计图欣赏
| 作者：不明 来源：www.pccode.net 整理 发布时间：2007-1-25 16:40:12 发布人：wongrs | |
|
se strengt h, speed and claws ( 27 ) an impressive ’small fire’ weaponry . They could not even defend themselves ( 28 ) runnin g swiftly like the horses, zebras or small animals. If the ape-men h ad attempted to compete on those terms in the open, they would have been ( 29 ) to failure and extinction. But they were (30) with enormous concealed advantages of a kind not possessed by any of the ir competitors. In the search ( 31 ) the pickings of the forest, the ape-men had ( 32 ) efficient stereoscopic vision and a sense of colour that the animals of the grasslands did not possess. The abili ty to see clearly at close range permitted the ape-men to study practical proble ms in a way that lay far ( 33 ) the reach of the original inh abitants of the grassland. Good long-distance sight was ( 34 ) another matter. Lack of long-distance vision had not been a problem for fores t-dwelling apes and monkeys because the higher the viewpoint, the greater the ra nge of sight—so ( 35 ) they had had to do was climb a tree. Out in the open, however, this simple solution was not ( 3 6 ) . Climbing a hill would h
|
|
| [ ] [返回上一页] [打 印] [收 藏] | |
上一篇文章：2003年专业八级考试真题(1)
下一篇文章：2005年英语专业四级考试全真试题(1) |