首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In addition to the established energy sources such as gas, coal, oil and nuclear, there are a number of other sources that we ou
In addition to the established energy sources such as gas, coal, oil and nuclear, there are a number of other sources that we ou
admin
2011-01-08
77
问题
In addition to the established energy sources such as gas, coal, oil and nuclear, there are a number of other sources that we ought to consider. Two of these are hydroelectric and tidal power.
These two sources are【21】______ in that they are both renewable. 【22】______ , hydropower is more widely used than tidal. In【23】______ , a substantial amount of electricity is already produced in HEP (hydroelectric power)stations worldwide, 【24】______ tidal stations are still in the very early【25】______ of development.
As far as geographical【26】______ is concerned, HEP projects are to be found on lakes and rivers, while tidal【27】______ are constructed only at river mouths where tidal【28】______ is great. Unfortunately these are【29】______ in number. At present HEP stations are found mainly in Norway, Canada, Sweden and Brazil, whereas tidal plants are in【30】______ in France, Russia and China.
As regards capital【31】______ , both require very high investment. On the other hand, generating【32】______ are quite low in both cases. In fact, a large scale HEP plant is capable of producing power more【33】______ than conventional sources, such as coal, oil and nuclear plants. Tidal power also compares【34】______ with nuclear and oil generated electricity, 【35】______ the amount of money on production. 【36】______ HEP stations, tidal constructions have a long life【37】______ . It is estimated that they can operate for over 100 years. With respect to【38】______ of supply, tidal stations【39】______ from HEP ones in that they often can only supply power【40】______. HEP stations, however, pro vide a constant supply of electricity.
【30】
选项
A、operation
B、production
C、procession
D、action
答案
A
解析
in operation工作中,使用中;in production投入生产;in procession列队行进;in action在运转,在操作。该句讲的是,只有法国、俄罗斯和中国在使用潮汐电站,故选A。
转载请注明原文地址:https://kaotiyun.com/show/N2xd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
TheU.S.SupremeCourthasforbiddenprayersinpublicschools,butmanyAmericansclingtotheideathattheireducationalsys
Somepeoplewerejustborntorebel;CharlesDarwinwasoneofthem.【21】______NicholasCopernicus,BenjaminFranklinandBillGa
Somepeoplewerejustborntorebel;CharlesDarwinwasoneofthem.【21】______NicholasCopernicus,BenjaminFranklinandBillGa
Duringthe1980s,womenstartedtoplayamoreimportantrolein______.AccordingtoParagraph3,havingajob______.
Thedestructionofournaturalresourcesandcontaminationofourfoodsupplycontinuetooccur,largelybecauseoftheextreme
Somecitiesgrowverylargebecauseoftwoimportantreasons.First,theremaybeimportantnaturalresourceslikewood,gas,oi
In1990,thenumberofjobshavingnothingtodowithcomputersintheUniteStateswillbereducedto______.
In1990,thenumberofjobshavingnothingtodowithcomputersintheUniteStateswillbereducedto______.
ThedivorcerateinAmericahasreached
随机试题
阅读下面一段文字,然后回答问题。守一城,捍天下,以千百就尽之卒,战百万日滋之师,蔽遮江淮,沮遏其势,天下之不亡,其谁之功也?当是时,弃城而图存者,不可一二数;擅强兵坐而观者,相环也。不追议此,而责二公以死守,亦见其自比于逆乱,设淫辞而助之攻也。
A.茯苓B.薏苡仁C.白术D.猪苓E.泽泻具有健脾燥湿、止汗安胎功效的药物是
1岁小儿患营养不良,则其皮下脂肪消失的顺序为
注册消防工程师每年接受继续教育的时间累计不少于()学时。
期货公司有下列哪些情形的,中国证监会及其派出机构可以责令改正,并对负有责任的主管人员和其他直接责任人员进行监管谈话,出具警示函?()
在学习《中国建筑的特征》这篇文章时,某教师为了让学生更好地了解赵州桥的形状特点,提议结合课文的介绍,画出赵州桥的平面示意图。先让学生分别画图;再进行同桌交流;然后请一位学生运用投影仪展示自己的作品,并说明绘画依据;最后教师和全班同学共同评价这幅示意图。下列
A、 B、 C、 D、 B两个四分之一圆共边,排除A;两个小等腰三角形共底边,排除C;D项大三角形在两个小等腰三角形右侧,排除D;B项可由左侧图形折出。
数据结构的实质一般包括3部分:数据元素的逻辑结构、【】以及数据元素的操作(运算)。
Questions27-33ReadingPassage3hassevenparagraphsA-G.Fromthelistofheadingsbelowchoosethemostsuitableheadingfor
期货交易所会员资格不得转让。()
最新回复
(
0
)