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
医学
The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures, but created what migh
The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures, but created what migh
admin
2013-12-06
56
问题
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 Shackleton, 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 techniques of former explorers, and, although still calling for courage and feats of 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.
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 mapping of the whole of the interior presents 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 large’ treasure hoards of metals and minerals the world has yet known, an 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 airfields for the future intercontinental air service by making these areas as light as day. Present flying routes will completely change, for the Antarctic refueling bases will make flight 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 party 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 health climate in the world, for the intense cold of thousands of years has sterilized this continent, and rendered it absolutely germfree, with the consequences that ordinary and extraordinary sicknesses and disease 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 centre of human life and endeavor.
What kind of metals and minerals can we find in the Antarctic?
选项
A、Magnesite, coal and oil.
B、Copper, coal and uranium.
C、Silver, natural gas and uranium.
D、Aluminum, copper and natural gas.
答案
B
解析
在第二段文字中,我们可以知道何种金属可以在南极找到: and almost inexhaustiblesources of copper,coal,uranium,and many other ores will become available to man.这里取之不尽的矿物资源主要是指铜、煤和铀。至于其他矿物,并没有具体指出其名字,故B项正确。
转载请注明原文地址:https://www.kaotiyun.com/show/gcU3777K
本试题收录于:
医学博士外语题库考研分类
0
医学博士外语
考研
相关试题推荐
Anenormousnumberofpeopleintheworld’spoorestcountriesdonothavecleanwateroradequatesanitation______.
A、Inthemainlab.B、Atacomputerterminal.C、Inasmalllab.D、Beforethebulletinboard.D录音开头讲到这里是thecomputerlaborientati
Herstorywasacomplete______fromstarttofinish,sonobodybelievedinher.
Inmore______examinations,thebloodistestedinamultichannelanalyzermachineforabnormities.
Peoplewholiveandworkinareaswithelevatedlevelsofozoneandotherairbornepollutantsappeartorunanincreasedriskof
ItissaidthatinEnglanddeathispressing,inCanadainevitableandinCaliforniaoptional.Smallwonder.Americans’lifeexp
A、Ajoblisting.B、Aresume.C、Apermissionslip.D、Theirsalaryrequirements.B从“besuretobringaresumewithyou.”可知简历是必须的。
Istheprofessionofmedicineinretreat?I’mremindedofthiswithSeptemberwelcominganewinflux(流入)ofmedicalstudents.A
随机试题
2018年12月10日,W市甲公司向乙公司签发一张金额为10万元的纸质商业汇票用于支付货款。12月11日乙公司向甲公司开户银行P银行申请承兑,P银行受理申请。P银行审查相关资料后给予承兑,但未在汇票上记载承兑日期。2019年3月11日汇票到期,持票人乙公司
学生们在课堂上通过教师语言的传授,可以学习到各种课本知识和日常生活常识,并能在以后的生活中加以运用。这种对知识的记忆属于()。
按并购双方所处的行业,可将企业并购战略分为()
一个行政组织、一个行政单位的人员定额,以及各种人员的比例结构指的是()
男,51岁。车祸致左小腿持续性疼痛。查体:左小腿肿胀明显,拒按,足背动脉触不清,足背屈时疼痛剧烈。该患者可能出现的严重并发症是
下列叙述中,符合建设工程定额定义的有( )。
现在就“城市环境建设”举行座谈听证会。有人提议,对于吐痰行为罚款500-2000元,你怎么看?
省里有人过来我市进行专项监督(检查)活动。市里的领导叫你去安排相关的工作事宜,你会怎么做?
基于μC/OS–II操作系统平台开发应用程序时,一个应用程序的工程项目中,必须包含启动引导程序、μC/OS–II的【77】、应用程序文件等。在应用程序的主函数中,必须初始化μC/OS–II操作系统、用OSTaskCreate()函数创建任务,并用【78
A、 B、 C、 C提问人数(Howmany)的问题,所以回答four的选项(C)为正确答案。(A)中Yes/No类的回答是不正确的,(B)是针对When提问时的回答。
最新回复
(
0
)