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
What do we learn about the sea in the modem technological world?
What do we learn about the sea in the modem technological world?
admin
2010-07-24
30
问题
What do we learn about the sea in the modem technological world?
Man is a land animal,but he is also closely tied to the sea.Throughout history the sea has served the needs of man.The sea has provided man with food and a convenient way to travel to many parts of the world. Toady,experts believe that nearly two-thirds of the world’s population live within eighty kilometers of the seacoast.In the modem technological world,the sea offers many resources to help mankind survive.Resources on land are beginning to grow less.The sea,however,still offers hope to supply many of man’s needs in the future.The riches of the sea yet to be developed by man’s technology are impressive.Oil and gas explorations have existed for nearly thirty years.Valuable amounts of minerals such as iron,copper exist on the ocean floor.Besides oil and gas,the seas may offer new sources of energy.For example,warm temperature of the ocean can be used as the steam in a steamship.Sea may also offer a source of energy as electricity for mankind.Technology is enabling man to explore even deeper under the sea.It is obvious that the technology to harvest the sea continues to improve.By the 2050,experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.
选项
A、It is the largest supplier of valuable minerals.
B、It will disappear in about thirty years.
C、It is beginning to grow smaller and smaller.
D、It offers many resources to help mankind survive.
答案
D
解析
短文提到在技术发达的现代世界里,海洋可以提供许多资源以帮助人类生存下去,故D为答案。
转载请注明原文地址:https://kaotiyun.com/show/pEA7777K
0
大学英语四级
相关试题推荐
A、Tothestatemuseum.B、Totheartmuseum.C、Tothesciencemuseum.D、Tothehistorymuseum.C
Itwaspreviouslybelievedthatdinosaurswerecold-bloodedcreatures,likereptiles.However,arecentdiscoveryhasladresear
TheOlympicGamesupholdstheamateuridealthat____________(重要的不是获胜)butparticipating.
AninterestingfeatureofeducationintheUnitedStatesisthecommunitycollege.Communitycollegesthatare【S1】______offerso
A、Learningfromthemistakes.B、Alwaystryingtofindoutthethings.C、Keepinghighspiritsevenafterhefails.D、Havingapec
Moods,saytheexperts,areemotionsthattendtobecomefixed,influencingone’soutlookforhours,daysorevenweeks.That’s
A、TherelationshipbetweenthespeakerandSusan.B、Thearrangementofthespeaker’smarriageceremony.C、Thespeaker’sparents’
Technicalandtechnologicalskillswilltakeongreaterimportance.Therewillbea【B1】______needforpeoplewhocanunderstan
Inmanycountries,authorityisseldomquestioned,eitherbecauseitishighlyrespected,orbecauseitisfeared.Sometimes,to
Whydoesthewomanlikeskiingsomuch?
随机试题
下列关于微电子技术的叙述,错误的是_____。
设计人交付设计文件完成合同约定的设计任务后,发包人从项目预期效益考虑要求增加部分专业工程的设计内容。由于设计人当时承接的设计任务较多,在发包人要求的时间内无力完成变更增加的工作,故发包人征得设计人同意后,将此部分的设计任务委托给另一设计单位完成。变更设计完
下列选项中,不属于银行公司治理主体的是()。
下列有关收入确认的表述中,正确的有()。
市场利率和债券期限对债券价值都有较大的影响。下列相关表述中,不正确的是()。
王先生有一商铺位于市中心,2005年1月王先生将商铺出租,扣除有关税费后,全年取得租金净收入36000元。2005年5月,因下水道堵塞,浸坏了地板和墙面,共花费了4800元的修缮费(有合法证明),修缮费由王先生承担。王先生2005年度的租赁所得应缴纳个人
目前大多数国家中央银行的资本结构都是()形式。
某厂生产一台电脑的成本去年上涨,今年却降低了20%,而现在的成本价是前年成本价的94.4%,则去年这种电脑的成本价上涨率是().
试论北洋军阀。
求,自点A(1,0,0)至点C(O,0,1)的长弧段.
最新回复
(
0
)