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
1
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
Manystudentsfindtheexperienceofattendinguniversitylecturestobeac
Accordingtoasurvey,whichwasbasedontheresponsesofover188,000stud
Doyoufindgettingupinthemorningsodifficultthatit’spainful?Thism
Inoldtimes,wealthypeoplelikedhuntingwildanimalsforfun______(胜过四处观光).
人类无法氏囊,但主要类同器官是A.骨髓 B.脾脏 C.胸腺 D.淋巴结
A.免疫母细胞 B.陷窝细胞 C.\"爆米花\"细胞 D.典型的R-S细胞
世界卫生组织护理专家委员会规定护士在“保持健康、预防疾病、减轻痛苦、促进健康”中
下列有关法律规则的说法中,哪一选项是错误的?()A.《民法总则》第40条规定:
某商品流通企业库存商品采用毛利率法核算。2021年5月初,W类库存商品成本总额为
建设工程项目总进度目标论证中,大型建设工程项目的结构分析是根据编制总进度纲要的需
最新回复
(
0
)