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
29
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/3815211.html
相关试题推荐
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
随机试题
Readthearticlebelowaboutmarketresearch.Inmostofthelines(34-45
Ifyou【D1】______smoothskinthatglowswithyouth,thechancesarethatats
Forthosewhodonottakebreakfast,the
以下媒体文件格式中()是视频文件格式。A.WAV B.BMP C.CM
链球菌感染后急性肾小球肾炎A.肾小球囊大量新月体形成 B.肾小球增大,肾小球内
对异位妊娠患者,下列哪一项检查最有助于诊断A.腹部触诊有明显的肌紧张 B.附件
排卵障碍引起不孕的常见疾病为:____、____、____、____、____及
砂仁与豆蔻的共同主治病证是( )。A.脾胃虚寒吐泻 B.湿阻中焦及脾胃气滞证
A.理中丸B.大柴胡汤C.痛泻要方D.半夏泻心汤E.葛根芩连汤调和肝脾的方剂是
风险分析的程序中,第三个阶段是( )。A.风险识别B.风险估计C.风险评价D.风
最新回复
(
0
)