首页
登录
职称英语
The exploitation of the power in the Sun’s rays is a form of alternative en
The exploitation of the power in the Sun’s rays is a form of alternative en
游客
2023-11-19
61
管理
问题
The exploitation of the power in the Sun’s rays is a form of alternative energy now showing new commercial promise.
In the US, manufacturers have made important 【C1】______ in the development of the technology to bring down the cost of solar conversion systems 【C2】______ improving their reliability.
The direct conversion of solar 【C3】______ electrical energy, using photovoltaic cells 【C4】______ distinct advantages as an alternative energy option.
【C5】______ other forms of renewable energy, photovoltaic is based on modular solid state devices which can be mass 【C6】______ at a relatively low cost.
Here wafers of silicon—not dissimilar 【C7】______ ones which are turned into silicon chips— 【C8】______ an electric current when light falls upon them.
When built into panels or modules where each cell interconnects, the amount of electricity generated can be large enough to 【C9】______ a home or even a community.
Over the past 10 years, 【C10】______ extensive research and substantial Government and private industry funding, the price of photovoltaic modules has dropped 【C11】______ .
【C12】______ in 1973-74 the price per peak watt was between US $100 and $150, commercial prices for small array system now vary between $6.50 and $7 per watt.
This rapid price reduction has been accompanied by a 400 per cent jump in the 【C13】______ efficiency of photovoltaic modules.
【C14】______ solar cells are poor converters of sunlight to electricity. Early cells could only manage to mm about five per cent of the incident rays into electricity, but recent development have increased 【C15】______ to more than 10 percent. [br] 【C14】
选项
A、Individually
B、Steadily
C、Thoroughly
D、Universally
答案
A
解析
individually“单个地”,该句意为“单个太阳能电池不能很好地把太阳光转化为电能”。
转载请注明原文地址:https://tihaiku.com/zcyy/3200649.html
相关试题推荐
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
随机试题
BythetimeBobarrivesinBeijing,wehavealreadyarrivedherefortwodays.A、
OverweightpeoplearelikelytosufferfromallthefollowingdiseasesEXCEPT[o
1.题目:人教版必修-《风沙地貌》 2.内容: (1)教学过程需有提问环
镁、铝等金属粉末燃烧,只能用干砂、干粉灭火。严禁用水、酸碱灭火剂、泡沫灭火剂以及
肝性脑病的正确概念应是()A.肝功能衰竭所致的精神紊乱性疾病 B.肝功能衰竭所
开瓣音提示()A.二尖瓣狭窄伴二尖瓣关闭不全 B.二尖瓣严重狭窄,瓣膜钙化
一般认为运动技能包括三个方面的成分:()、()和()。
固冲汤中用量最大的饮片是A:生黄芪B:炒白术C:煅龙骨D:煅牡蛎E:棕榈
口服降糖药“降糖灵”属于A:双胍类 B:中效胰岛素制剂 C:磺酰脲类 D:
下列关于工程监理相关制度的说法中,正确的有( )。A.项目法人责任制要求项目法人
最新回复
(
0
)