The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures, but created what might be called the heroic age of Antarctic exploration。 By their tremendous heroism, men such as Shakleton, Scott, and Amundsen caused a new continent to emerge from the shadows, and yet that heroic age, little more than a century old, is already passing. Modern science and inventions are revolutionizing the endurance, future journeys into these icy wastes will probably depend on motor vehicles equipped with caterpillar traction rather than on the dogs that earlier discoverers found so invaluable and hardly comparable.
Few realize that this Antarctic continent is almost equal in size to South America, and enormous field of work awaits geographers and prospectors. The coasts of this continent remain to be accurately charted, and the maping of the whole of the interior presents a formidable task to the cartographers who undertake the work. Once their labors are completed, it will be possible to prospect the vast natural resources which scientists believe will furnish one of the largest treasure hoards of metals and minerals the world has yet known, and almost inexhaustible sources of copper, coal, uranium, and many other ores will become available to man. Such discoveries will usher in an era of practical exploitation of the Antarctic wastes.
The polar darkness which hides this continent for the six winter months will be defeated by huge batteries of light, and make possible the establishing of air-fields for the future inter-continental air services by making these areas as light as day. Present flying routes will be completely changed, for the Antarctic refueling bases will make flights from Australia to South America comparatively easy over the 5,000 miles journey.
The climate is not likely to offer an insuperable problem, for the explorer Admiral Byrd has shown that the climate is possible even for men completely untrained for expeditions into those frozen wastes. Some of his parties were men who had never seen snow before, and yet he records that they survived the rigors of the Antarctic climate comfortably, so that, provided that the appropriate installations are made, we may assume that human beings from all countries could live there safely. Byrd even affirms that it is probably the most healthy climate in the world, for the intense cold of thousands of years has sterilize this continent, and rendered it absolutely germfree, with the consequences that ordinary and extraordinary sickness and diseases from which man suffers in other zones with different climates are here utterly unknown. There exist no problems of conservation and preservation of food supplies, for the latter keep indefinitely without any signs of deterioration; it may even be that later generations will come to regard the Antarctic as the natural storehouse for the whole world.
Plans are already on foot to set up permanent bases on the shores of this continent, and what so few years ago was regarded as a dead continent now promises to be a most active center of human life and endeavor.
1.When did man begin to explore the Antarctic?
A.About 100years ago.
B.In this century.
C.At the beginning of the 19th century.
D.In 1798.
雅思阅读是非判断题的涵义
抓阅读技巧提高雅思阅读速度
雅思阅读拿高分 积累很重要
雅思阅读真题文章:生态旅游
雅思阅读水平提高方法:泛读
雅思阅读词汇:否定前缀小结
雅思阅读真题文章:化学的发展
雅思阅读是非判断题简析及解题方法
雅思阅读强化训练分层五原则
雅思阅读技巧和重点笔记整理(四)
如何切实提高雅思阅读成绩?
雅思阅读List of Heading题型特点及规则
镜像法解决雅思阅读判断题
雅思阅读高分在于文章上的功夫
雅思阅读题型要点分析
雅思阅读真题文章:仿生机器人
雅思阅读必备:英语姓氏起源
雅思阅读段落标题题的应对策略
雅思阅读的基础:词汇
雅思阅读方法与技巧一览
雅思阅读中的相关词介绍
雅思阅读复习指南
雅思阅读真题文章:蚂蚁如何交流
雅思阅读“段落标题”的解法
探析A类雅思阅读判断题的标准
T/F/NT的内在涵义及判断方法
雅思阅读分层阅读法五原则
探析A类雅思阅读命题正误的判断
以考官观点看雅思阅读考试
雅思阅读技巧和重点笔记整理(三)
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |