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
考研
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and s
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and s
admin
2013-02-09
47
问题
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and synthetic (manmade) fuels. Nuclear power can offer some【C2】______, but fear of contamination【C3】______its use. The Three Mile Island【C4】______in Pennsylvania in 1979, when atomic waste material escaped【C5】______atmosphere, limited power plant construction【C6】______.【C7】______, scientists are doing research to discover other sources of fuel.【C8】______, some scientists have added alcohol to gasoline to conserve fuel.【C9】______, this research is still in the developmental【C10】______
The sun, from which nearly all energy【C11】______, is another solution【C12】______the energy crisis. Solar power is growing rapidly in popularity. All other fuels will【C13】______out after a period of years; the sun’s power is limitless.【C14】______burning any fuel—oil, coal, or wood—causes pollution, solar energy does not.【C15】______, no nation on earth has a comer【C16】______the solar market;【C17】______, no country has control【C18】______the sun. Although solar energy is increasing in popularity, it is still impractical and very expensive, and【C19】______not widely used.
One immediate and viable (practical) solution, to the problem is conservation. We now have federal regulations【C20】______the winter temperature in public buildings to 65 degrees.
【C19】
选项
A、furthermore
B、ever since
C、therefore
D、then
答案
C
解析
前后为因果关系,所以用therefore。
转载请注明原文地址:https://kaotiyun.com/show/A2d4777K
0
考研英语一
相关试题推荐
Currently,theAmericanarmedforcesarethelargestprofessionalmilitaryontheplanet.Other(1)_____haveprofessionalsoldi
Currently,theAmericanarmedforcesarethelargestprofessionalmilitaryontheplanet.Other(1)_____haveprofessionalsoldi
Today,asmillionsofmenandwomenofchildbearingageandyoungeraresurvivingcancer,thequestionofreproductionisarisin
Untilaboutfourdecadesago,cropyieldsinagriculturalsystemsdependedon(1)_____resources,recyclingorganicmatter,buil
Whatistime?Isitathingtobesavedorspentorwasted,likemoney?Orisitsomethingwehavenocontrolover,likethewea
Supposeyouastaffmemberofacompany.Writealetterofcomplainttothepresidenttoreporttheproblemsofthecompanycant
The150millionpeoplewholiveoutsidethecountryoftheirbirthmakeuplessthan2.5percentofworldpopulation,buttheyha
Millionsofdollarsoftendependonthechoiceofwhichcommercialtouseinlaunchinganewproduct.Soyoushowthecommercial
WhichofthefollowingdoesnotapplytothemanagementofhumanresourcesinAmericancompanies?Whatisthemainideaofthe
Rome,June13—Alawthatimposesstrictrulesonassistedfertilitywillremainonthebooks,afterthefailureonMondayofah
随机试题
在《冯谖客孟尝君》中,冯谖为孟尝君所凿的“三窟”是()
A.41~55dBB.24~50dBC.26~40dBD.56~70dBE.71~90dB噪声性听力损伤和噪声聋分级标准中:中度听力损伤时听力下降
下列关于招标采购合同博弈的说法正确的有()。
建设项目工程保险的责任范围包括()。
县级以上人民政府城乡规划行政主管部门实施行政监督检查权的基本前提是必须遵循依法行政,下列选项中不属于其具体内容的是()
某歌星租用大华体育馆举办个人演唱会,每场租金30000元,共演出三场,由体育馆售票,共取得票款收入600000元,按票款收入的2%向歌星经纪人支付佣金。营业税税率为3%。体育馆应为该歌星代扣代缴的营业税税额为( )元。
教育机智体现了教师劳动的()。
强调人的身心发展的动因是人自身的内在需要.身心的发展是人的潜能的完善,这种理论是()。
Newfiguresonbusinessconfidencesuggestthattheoneplacewheretheservicesectorboomisontheebbisintheconsumersec
小许正在撰写一篇有关质量管理的论文,按照如下要求帮助小许对论文进行编辑排版。将表格及其上方的表格标题“表1质量信息表”排版在1页内,并将该页纸张方向设为横向,将标题段“表1质量信息表”置于表上方居中,删除表格最下面的空行,调整表格宽度及高度。
最新回复
(
0
)