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
42
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] 【C9】
选项
A、commit
B、heat
C、power
D、back
答案
C
解析
power“给……提供动力、电力”,此处指“给一个家庭或社区提供电力”。
转载请注明原文地址:https://tihaiku.com/zcyy/3200644.html
相关试题推荐
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
TheexploitationofthepowerintheSun’sraysisaformofalternativeen
Thereareseveral______toyourplan.A、alternativesB、alternationsC、alternator
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
随机试题
A--InternationalLogisticsB--DistributionChannelsC-
Weholdcertainprofessionstoahigherstandardwhenitcomestothemental
[originaltext]W:Iwanttobookapackagetour.I’dliketostopoverfivedaysi
Asasocietywemightwanttorethinkthetimeandmoneyspentoneducation,
从家用电器损坏之日()内,受害居民用户未向供电企业投拆并提出索赔要求的,即视为
下列()场所应设单独划分防烟分区。A.设备层 B.防烟楼梯间 C.消防电
SiO2含量超过60%、Fe、Mg含量较低的岩浆岩,其颜色通常有如下特征( )
妊娠12周~28周内胎儿已成形而自然堕落,称为( )。A.堕胎 B.小产
关于ERCP的叙述,下列哪项不正确?( )A.可进行胆管造影 B.可进行胰管
()对合规管理、利益冲突防范机制等提出明确要求。A:《发布证券研究报告暂行规定》
最新回复
(
0
)