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
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(
admin
2013-11-24
68
问题
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(manmade)fuels. Nuclear power can offer some【2】, but fear of contamination【3】its use. The Three Mile Island【4】in Pennsylvania in 1979, when atomic waste material escaped【5】atmosphere, limited power plant construction【6】.【7】, scientists are doing research to discover other sources of fuel.【8】, some scientists have added alcohol to gasoline to conserve fuel.【9】, this research is still in the developmental【10】.
The sun, from which nearly all energy【11】, is another solution【12】the energy crisis. Solar power is growing rapidly in popularity. All other fuels will【13】out after a period of years; the sun’s power is limitless.【14】burning any fuel—oil, coal, or wood—causes pollution, solar energy does not.【15】, no nation on earth has a corner【16】the solar market;【17】, no country has control【18】the sun. Although solar energy is increasing in popularity, it is still impractical and very expensive, and【19】not widely used.
One immediate and viable(practical)solution, to the problem is conservation. We now have federal regulations【20】the winter temperature in public buildings to 65 degrees.
【10】
选项
A、time
B、course
C、stage
D、progress
答案
C
解析
developmental stage意为“开发阶段”。
转载请注明原文地址:https://kaotiyun.com/show/FbhO777K
0
考博英语
相关试题推荐
Engineeringstudentsaresupposedtobeexamplesofpracticalityandrationality,butwhenitcomestomycollegeeducationIam
Fearanditscompanionpainaretwoofthemostusefulthingsthatmenandanimalspossess,iftheyareproperlyused.Iffiredi
WiththeUSeconomyslowingdown,layoffsareeverywhere.Noindustryisspared.Ifyouenduphavingtostartover,inaddition
Timeforanotherglobal-competitivenessalert.IntheThirdInternationalMathematicsandScienceStudy—whichlastyeartesteda
Mostofustellonetwoliesaday,accordingtoscientistswhostudythesethings.Andwerarelygetcaught,becausetheliesw
Therearepeoplewhoareespeciallyattracted【51】thenotionof"climbingtheladder"soasto【52】theirstatus,financialpositio
WenowfindthatagreatmanythingswethoughtwereNaturalLawsarereallyhumanconventions.Youknowthatevenintheremote
WenowfindthatagreatmanythingswethoughtwereNaturalLawsarereallyhumanconventions.Youknowthatevenintheremote
Thisproblemshouldbediscussedfirst,forittakes______overalltheotherissues.
Someritualsofmoderndomesticlivingvarylittlethroughoutthedevelopedworld.Onesuchisthemunicipalrefusecollection,
随机试题
婴幼儿头朝下摔下来,如果脸色发白、眼神发直、呕吐,就可能是(),要立刻送往医院。
Thenewsitemabouttheaircrashisfollowedbyadetailedreportmade______.
关于二尖瓣狭窄的血流动力学改变,下列哪项是错误的
A.参加体力活动,避免盲目节食 B.增加鱼、肉、蛋、奶、海产品的摄入 C.每日饮奶 D.食物要粗细搭配,易于消化 E.保证吃好早餐《中国居民膳食指南》中关于乳母膳食的建议是()。
小张应要求李某提供()等文件以供核实。在贾女士与李某就该物业的转让进行洽谈过程中,小张不得()
可用于测定路基土方最佳含水量的试验方法是()。
“备案号”栏应填()。“提运单号”栏应填()。
深化行政执法体制改革要求健全行政执法和刑事司法衔接机制,支持以罚代刑。()
新文化运动代表人()在上海创办《青年杂志》,高举“民主”和“科学”这两面旗帜。
WhichofthefollowingstatementsistrueaboutSara?
最新回复
(
0
)