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
2024-10-24
31
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] 【C5】
选项
A、From
B、Unlike
C、By
D、As to
答案
B
解析
此处意为“不像其它的可更新能源”。
转载请注明原文地址:https://tihaiku.com/zcyy/3815202.html
相关试题推荐
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
随机试题
【S1】[br]【S3】taking→takenoutoffashion为固定词组,意为“过时的,不流行的”。本句前半部分是由because引导的原因状
[originaltext]W:What’syourpresentjob,please?M:Iamasalesman.Iworkw
电流互感器为了保证精确性,经常采用的是()。A.10%误差曲线 B.20%误
6箱新鲜橘子由北京空运往东京,毛重共274.8kg,体积尺寸为128cm×42c
红外线长时直接照射眼睛可能引起A.结膜炎 B.角膜炎 C.白内障 D.电光
玻璃钢防眩板的厚度t为()。A.1.5~3.0mm B.2.0~3.5mm
《变电验收管理规定第22分册站用变验收细则》:干式站用变局部放电测量应在所有绝缘
首席风险官开展工作应当制作并保留工作底稿和工作记录,真实、充分地反映其履行职责情
1883年,芝加哥期货交易所结算公司成立以后,芝加哥期货交易所的所有交易都要进入
下列不是培训与开发的组织分析因素的是()。A.公司战略 B.工作绩效评估
最新回复
(
0
)