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
17
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] 【C7】
选项
A、against
B、over
C、to
D、with
答案
C
解析
be dissimilar to意为“和……不同”。
转载请注明原文地址:https://tihaiku.com/zcyy/3200642.html
相关试题推荐
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
随机试题
ItisnotoftenrealizedthatwomenheldahighplaceinsouthernEuropeans
以下关于UML(UnifiedModelingLanguage,统一建模语言
货币政策的目标包括()。A.最终目标 B.操作目标 C.预期目标 D.中
药学的社会功能和任务,错误的是A.确定疾病治疗方案 B.培训药师 C.研制新
对于液压机构的SF6断路器,下列关于其操作机构的描述错误的是(____)。(A)
假设检验中的显著性水平a表示()。 A.原假设为真时拒绝原假设的概率不超过a
下列风险因素中,不属于建设项目风险类型的有( )。A.政治风险 B.经济风险
()依法要求建设单位按规定办理质量监督手续A.建设单位 B.交通运输主管部门
某国际工程,业主方在招标文件中规定了200万元的暂定金额。则每一个承包商在投标报
10个月女孩,近1周先吐后泻,大便呈蛋花汤样,腥臭黏液但无脓血,精神萎靡,皮肤弹
最新回复
(
0
)