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
59
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
Whatarethepositiveandnegativeimpactsoftourisminyourcountry? Oneoft
Anextremeexampleofafederalsystemistheoneadoptedinthe1970sinYug
GlobalLanguageI.WHAT?Learnedandspokeninternationally【T1】______:【
WhenMelissaMahanandherhusbandvisitedtheNetherlands,theyfeltimpris
近年来,随着中国政治及经济实力的不断提升,学中文的外国人越来越多。据统计,全球约有三千万人正在学习中文,而这一人数还在不断增加。在加拿大,虽然觉得汉语十
Completethenotesbelow.WriteONEWORDAND/ORANUMBERforeachanswer.DRIVIN
[originaltext]MalawiisoneofthepoorestnationsinAfricawithmillions
下面的程序段中,(请作答此空)是语句覆盖测试用例,()是判定覆盖测试用例。if(
我们日常生活中的碳酸饮料,碳酸饮料中的主要物质是()A.氮气 B.一氧
2012年单项选择:“小李并非既懂英语又懂俄语”对这句话理解正确的是() A
最新回复
(
0
)