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
27
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.
【29】
选项
A、small
B、few
C、rare
D、scarce
答案
A
解析
这里指的是潮汐发生频率高的河流入口处的数量很少;四个选项中只有small可以修饰number,表示数量少,故选A。
转载请注明原文地址:https://kaotiyun.com/show/A2xd777K
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?
Thedestructionofournaturalresourcesandcontaminationofourfoodsupplycontinuetooccur,largelybecauseoftheextreme
Thedestructionofournaturalresourcesandcontaminationofourfoodsupplycontinuetooccur,largelybecauseoftheextreme
Numberoflanguagesintheworld(approx)is______.
Numberoflanguagesintheworld(approx)is______.
Whichwordbestdescribesthelawyers’predictionofthechangeindivorcerate?
ThedivorcerateinAmericahasreached______.
ThedivorcerateinAmericahasreached______.
随机试题
下列不能认定为自首的是()。
(2012年4月)法人属人法主要应适用于以下事项:(1)法人的成立和法人的性质;(2)法人的权利能力;_____;_____;(5)法人的合并或分立对前法人债务的继承问题等。
A.鳞癌B.腺癌C.小细胞癌D.大细胞癌E.鳞腺癌
关于中国古代法律历史地位的表述,下列哪一选项是正确的?(卷一/2012年第18题)
历史文化名城保护规划应建立()
保荐人应当对上市公司募集资金管理事项进行持续督导,上市公司应当在募集资金到账后( )内与保荐人、存放募集资金的商业银行签订募集资金专户存储三方监管协议。
组织实施职业生涯管理对组织的重要性表现在( )。
甲公司2×15年的财务报告于2×16年3月31日批准对外报出。甲公司一项无担保借款合同于2×15年10月30日到期,本息合计620万元,到期日尚未偿还,银行对其提起诉讼,要求甲公司偿还该借款并支付罚息10万元,至年末法院尚未判决;甲公司基本确定己方将败诉。
下图是2016年前五个月某派出所辖区行业场所发案数量统计图。从图中所反映情况看,派出所下一步应优先收集下列哪一个行业场所信息()。
TheWorldHealthOrganization(WHO)wassetupon7thApril1948,adatethatisnowcelebratedeveryyearasWorldHealthDay.T
最新回复
(
0
)