首页
登录
职称英语
With the prospect of coal and petroleum supplies being depleted and with air
With the prospect of coal and petroleum supplies being depleted and with air
游客
2024-03-01
17
管理
问题
With the prospect of coal and petroleum supplies being depleted and with air pollution becoming an increasing concern, the major countries of the world are seeking alternate sources of energy. If a means to 【S1】______ energy from water, especially from the ocean, can be effected economically, it would furnish a never-ending supply of energy, since 70% of the earth’s surface is ocean and 【S2】______ 10% is fresh water in rivers and lakes.
From the beginning of time man has used water power as a source of work from energy-waterfalls and dams, but these are fresh water sources and are landlocked. The seas have contributed 【S3】______ or nothing in the way of power.
Ocean water is heated by the sun near the equator and drawn by the rotation of the earth toward the poles, where it cools and drops toward the ocean floor and starts its 【S4】______ back toward the equator. The differential between the two currents is 35 degrees to 45 degrees Fahrenheit and to use it the scientists must find the places where they run near land and are not too far away from each other. One area that 【S5】______ these requirements is the Caribbean sea.
One plan would somewhat resemble the operation of a refrigerator on a vast scale. 【S6】______ water would be the heat source, cold water the heat sink. A component such as Freon would be liquid at a cold temperature and 【S7】______ to gas as it warmed. Oceans also offer wave power, tides, and the chemical propensities of salt water as potential sources of energy. All these uses are 【S8】______ possible.
The British are working on a method that the Japanese have already put into 【S9】______ use on a small scale for powering their navigational buoys. Wave movement produces air under 【S10】______ that has only one escape route to a turbine that powers a generator.
A) theoretically B) turn C) meets D) needs
E) differently F) warm G) cold H) journey
I) identifies J) practical K) critical L) obtain
M) little N) another O) pressure [br] 【S10】
选项
答案
O
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3496305.html
相关试题推荐
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
随机试题
[originaltext]M:MissCatherine,howlonghasthistoothbeengivingyoupain?
DTE与DCE接口的电气连接方式有()三种。A.采用差动发送器的非平衡方式 B
健康监测包括()A.系统地、连续地收集与健康状况和影响健康状况的各种因素相关的
增强铸造金属全冠固位力的方法有()A.在面制备针道,轴壁制备轴沟 B.在
下列有关糖有氧氧化的叙述中,哪一项是错误的?()A.糖有氧氧化的产物是CO及H
基金公司的投资管理能力直接影响到()的投资收益。A.托管人 B.保管人
药品的特殊性不包括A.安全性 B.质量重要性 C.两重性 D.专属性 E
《慈善法》规定:受托人应当在慈善信托文件签订之日起()日内,将相关文件向受托人
简述公文筐测试的特点。
(2015年真题)关于提取和使用职工教育培训经费的说法,正确的是()。A.企业
最新回复
(
0
)