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
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 ha
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 ha
admin
2012-09-11
65
问题
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. Today, experts believe that nearly two-thirds of the world’s population live within eighty kilometers of the seacoast.
In the modern 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 and so on exist on the ocean floor.
Besides oil and gas, the sea 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 year 2050, experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.
According to the author, when will the problems to explore the deeper sea largely be solved?
选项
A、In the next generation.
B、By the end of the 20th century.
C、In the near future.
D、By the middle of the 21st century.
答案
D
解析
21世纪50年代,也就是2050年左右。
转载请注明原文地址:https://kaotiyun.com/show/xEDO777K
0
成人本科学位英语
相关试题推荐
Neverbefore______somanypeopleappliedsuchabstractmathematicstosogreatavarietyofproblems.
Overheadrailway,whosetracksareelevatedoutofthewayofsurfacetraffic,______onepossiblesolutiontoheavytrafficinb
WearehappytoseethatJohnandSallycan______withalltheirproblemscheerfully.
Thepresident______severalothersubjectsintheinterviewbyafamousjournalist,butmostlykepthimselftothemajortopic,t
Peoplewholiveinsmalltownsoftenseemmorefriendlythanthoselivingin______populatedareas.
Inrecentyears,moreandmoreforeignersareinvolvedintheteachingprogramsoftheUnitedStates.Boththeadvantagesandth
Thoughhesometimescomplainsbitterlyofit,hewouldnot,______,exchangeitforthemorepredictableclimateofotherlands.
______forthetimelyinvestmentfromthegeneralpublic,ourcompanywouldnotbesothrivingasitis.
Everyhumanbeinghasa【C1】______arrangementoftheskinofhisfingersandthisarrangementisunchangeable.Scientistsandex
HereintheUnitedStates,beforeagriculturalactivitiesdestroyedthenaturalbalance,thereweregreatmigrationsofRockyMo
随机试题
Atsuchacriticalmoment,ourcompanyneedsageneralmanager_______everyonehasconfidence.()
A.尺泽B.曲泽C.曲池D.少海属手厥阴心包经的腧穴是
与血栓形成无关的因素是
辽沈公司因不能清偿到期债务而申请破产清算。法院受理后.管理人开始受理债权人的债权申报。对此,下列哪一债权人申报的债权属于应当受偿的破产债权?(卷三2010年真题试卷第32题)
下列因企业开出银行承兑汇票而支付银行的承兑汇票手续费所作出的会计处理中,正确的是()。
设f’(x)在[0,1]上连续,且f(1)一f(0)=1.证明:∫01f’2(x)dx≥1.
Economicgrowthindevelopingnationsdependsmoreontheability,todesigneffectivemarketingsystemsthanthedevelopednati
Heresignedhispositionlastmonthbecauseofhislackinthejudgmentandpoliticalacumenasachairman.
A、Hedecidednottoattendsummerschool.B、Hemayhavedifficultyworkingandstudyingatthesametime.C、He’sworkinghardso
Accordingtoarecentstudy,theideaofagingmightlookdifferentthroughtheeyesoflittlechildren.Agoodnumberofchildr
最新回复
(
0
)