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
45
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.
【31】
选项
A、spending
B、planning
C、financing
D、saving
答案
A
解析
spending开支;planning规划过程;financing融资;saving节省。此处表示的是两种电站的运转都需要大的花销,故选A。
转载请注明原文地址:https://kaotiyun.com/show/V2xd777K
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
Wheredoesthemoneyforpublicschoolscomefrom?
TheU.S.SupremeCourthasforbiddenprayersinpublicschools,butmanyAmericansclingtotheideathattheireducationalsys
Thedestructionofournaturalresourcesandcontaminationofourfoodsupplycontinuetooccur,largelybecauseoftheextreme
Numberoflanguagesintheworld(approx)is______.
Somecitiesgrowverylargebecauseoftwoimportantreasons.First,theremaybeimportantnaturalresourceslikewood,gas,oi
ThedivorcerateinAmericahasreached____________________________________
Whichwordbestdescribesthelawyers’predictionofthechangeindivorcerate?
Whichwordbestdescribesthelawyers’predictionofthechangeindivorcerate?
ThedivorcerateinAmericahasreached______.
随机试题
工艺分析时,()不属于零件毛坯工艺性分析内容。
简述Telnet的内容和功能。
论述审美形态与语言的关系。
对化疗较敏感但愈后较差的肺癌病理类型是
糖皮质激素治疗肾病综合征,以下哪个不正确
由于承包商的原因造成工期延误,业主进行反索赔,在确定违约金费率时,一般应考虑()因素。
ItookmydaughtertotheamusementparklastSunday.______!Wehadtogetherthere.
事业单位应当建立健全人事管理制度。()
A、Givingherthewallet.B、Puttingthewalletinthelibrary.C、Tryingtofindanycluesabouttheowner.D、Takingallthingsou
A、Theymadefrequentlong-distancecallstoeachother.B、TheyillegallyusedgovernmentcomputersinNewJersey.C、Theywerefo
最新回复
(
0
)