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
2023-07-29
35
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] 【S8】
选项
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2880043.html
相关试题推荐
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
Withtheprospectofcoalandpetroleumsuppliesbeingdepletedandwithair
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
ProspectingtheLocalOilMarketAsapartofitsWTO
随机试题
Ayoungster’ssocialdevelopmenthasaprofoundeffectonhisacademicprogr
Thewell-knownformula:S→r…s→RwasputforwardbyA、Bloomfield.B、Firth.C、Hocke
[originaltext]Moderator:HelloLadiesandGentlemen,itgivesmegreatplea
当采用S曲线比较法时,如果实际进度点位于计划S曲线的右侧,则该点与计划S曲线的垂
Theseaturtle'snaturalhabitathasbee
前列腺增生患者行B超检查,膀胱逼尿肌处于失代偿状态是指残余尿量超过A.10ml
无法直接查明开关柜异常声响的部位、原因时,可采用()判断。地电压检测等带电检测技
甲诉乙侵权纠纷一案,法院通过调解结案,并制作了调解书送达双方当事人。则下列说法中
毕生发展观认为()。 (A)心理发展贯穿人的一生,老年期也在发展 (
装修材料按其燃烧性能划分为四级,以下正确的是()。A.A级:不燃性 B.B
最新回复
(
0
)