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
33
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
[originaltext]F:Paul,nicetoseeyoubackfromtheuniversity.Howdoyoulik
Theautomobile,alongwithahouseandagarden,is【C1】______oftheAmerican
Onlywhen______thepainting______decidewhetherthepaintingisworthbuying.A、
[originaltext]W:Beforeyousignthelease,doyouhaveanyquestions?M:Yes.
[originaltext]M:Hi,Jane,doyouhavesomechange?Ihavetomakeacallonth
会议召开期间的秘书工作要做到()。A.准备充分、勤俭节约、安全保密 B.组织
CloudcomputingisatypeofInternet-bas
在声誉危机管理中,预先制定战略性的危机管理规划主要包括哪些内容()。A.指定
合格的心理治疗家是A.有建立和睦关系的能力 B.受过系统训练 C.患者的利益
根据税收征收管理法律制度的规定,下列各项中,属于纳税申报表内容的有()。A.税款
最新回复
(
0
)