首页
登录
职称英语
Since about 1800, near the beginning of the industrial revolution, coal, pet
Since about 1800, near the beginning of the industrial revolution, coal, pet
游客
2024-02-23
21
管理
问题
Since about 1800, near the beginning of the industrial revolution, coal, petroleum and gas have been used at a rapidly increasing rate. The supply of these【C1】______is limited and electric power is very【C2】______in many places. Some scientists believe solar energy is the only【C3】______that can meet the world’s enormous【C4】______for power. Great progress had been made harnessing the sun. Not only is the sun now used in cooking, 【C5】______it also supplies power for【C6】______things as beacon lights for ships and airplanes. It【C7】______telephone lines, portable radios, electric clocks, hearing aids, and even communication satellites. Some homes and office buildings in U. S. A. are now being【C8】______with solar energy. The three most【C9】______types of solar equipment so far are the furnace, the still(蒸馏器)and the cell. Solar furnaces heat water or air,【C10】______is then circulated through a building to make it comfortable. Solar stills are【C11】______important because they can provide【C12】______water at a relative cheap rate. Salt can easily be【C13】______from sea water with solar still. The most highly developed type of solar【C14】______equipment is the solar cell. Some cells are so【C15】______that they can turn 16% of the energy they receive from the sun【C16】______electric energy. One of the cell’s biggest advantages is【C17】______it can be made either small enough to carry【C18】______large enough to produce current that can run an automobile. Besides, it has a very long life. It is still too expensive for the【C19】______consumer but when ways are【C20】______to produce it more cheaply, we can expect its use to be widely-spread. [br] 【C10】
选项
A、as
B、what
C、which
D、it
答案
C
解析
逗号前的句子主谓宾齐全,所以空格所在句子是非限制性定语从句,故选which。
转载请注明原文地址:https://tihaiku.com/zcyy/3474808.html
相关试题推荐
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
Sinceabout1800,nearthebeginningoftheindustrialrevolution,coal,pet
随机试题
Shortsharptermsmakebigpointsclear.Butpeopleoftenprefertosoftent
[originaltext]M:Goodmorning,Mrs.Black.Anynews?W:Goodmorning,Mr.Brown
Nowresearchshowsthatfortheelderly,gettingfitmay______(重塑自尊).shapeupt
TradingModernistforMcmansion[A]In1949W.ClintonBackusandhiswif
[originaltext]W:Iwasworkingonapaperaboutthedifferencesbetweenwomena
AnnCurryisafamousnewspresenterof
支座A下降时,下列结构哪一种不会产生内力?()A. B. C. D.
( )决定督察长的聘任、解聘和考核,决定其薪酬待遇。A.监事会 B.股东会
(2016年真题)根据《期货交易所管理办法》的规定,下列属于期货交易所的职责的是
机电工程施工进度计划安排中的协调制约因素有()。A.工程实体现状 B.设备材
最新回复
(
0
)