首页
登录
职称英语
The most pressing nuclear energy issue is the disposal of nuclear waste. Eve
The most pressing nuclear energy issue is the disposal of nuclear waste. Eve
游客
2023-07-06
24
管理
问题
The most pressing nuclear energy issue is the disposal of nuclear waste. Even if all the reactors in existence were completely safe to operate, there would still be unsolved issue of what to do with the waste from generating electricity by means of nuclear energy. Those who claim that they feel comfortable with nuclear energy are, none the less, concerned about waste disposal methods. Seven states, including California, have put the building of nuclear plants on hold until legislators are convinced that there is a safe way to dispose of the radioactive waste from the plants.
In the meantime, pools of liquid waste and piles of solid waste from private industry and governmental bomb production grow. Since 1962, the volume of radioactive waste produced by the nuclear power industry has amounted to about 4,300 cubic meters. By the end of the twentieth century, if production continues at the same rate, there will be 40,000 cubic meters of nuclear waste.
Power plants and bomb-making are not the only sources of waste. Uranium mining and milling operations have dumped 24 million metric tons of radioactive tailing wastes at dumping sites around the nation. At places where uranium is currently milled, there is another 100 million metric tons of tailings. Uranium tailings are solid materials in the slurry(or watery mixture)of depleted ore-bearing rock, chemicals, and liquids that result from milling. Usually, the slurry is piped to holding ponds. When a uranium mill goes out of business, the ponds are left to
evaporate
, uncovering piles of dried tailings. Uncovered piles of tailings give off radioactive radon gas. Once in the air, the gas finds its way into the water supply and the food chain. Consequently, many nuclear experts agree that uranium mill tailings may be more dangerous than high-level radioactive wastes from reactors and bombs. [br] According to the passage, the term "uranium mine tailings" refers to______.
选项
A、the uranium that is taken from a mine
B、the ponds that hold liquid radioactive wastes
C、solid wastes that result from the mining of uranium
D、dangerous radon gas that escapes from uranium mines
答案
C
解析
细节题。短文第三段中间提到Uranium tailings are solid materials in the slurry(or watery mixture)ofdepleted ore-bearing rock,chemicals,and liquids that result from milling.即铀废料是加工所产生的由废弃的矿岩石、化学物和液体所组成的流质混合物中的固体物资。tailings在这里指“残渣,废料”。故选项C正确。
转载请注明原文地址:https://tihaiku.com/zcyy/2813189.html
相关试题推荐
[originaltext]M:(12)TheEnergyMinisterannouncedyesterdaytheconstructionof
[originaltext]Economistsacrosstheworldareexpressingconcernsaboutris
[originaltext]Economistsacrosstheworldareexpressingconcernsaboutris
Themostpressingnuclearenergyissueisthedisposalofnuclearwaste.Eve
Themostpressingnuclearenergyissueisthedisposalofnuclearwaste.Eve
Themostpressingnuclearenergyissueisthedisposalofnuclearwaste.Eve
[originaltext]Nuclearradiationhasacertainmysteryaboutit,partlybeca
[originaltext]Nuclearradiationhasacertainmysteryaboutit,partlybeca
[originaltext]Nuclearradiationhasacertainmysteryaboutit,partlybeca
Whatdodietingandenergypolicyhaveincommon?TheSnackWelleffect.The
随机试题
ForanygiventaskinBritaintherearemorementhanwomenareneeded.Stro
Whatdoesthepassagemainlydiscuss?[br]Theword“forage”inline1iscloses
ArecentpollindicatedthathalftheteenagersintheUnitedStatesbelieve
已知直线L1过点M1(0,0,-1)且平行于X轴,L2过点M2(0,0,1)且垂
A公司是国内一家极具影响力的汽车公司,已知该公司的β系数为1.33,短期国库券利
根据下面资料,回答题 Humangrowthisaprocesso
下列关于重要性的说法中,错误的是( )。A、重要性在计划审计工作和评价错报影响时
()变电站变压器、断路器、GIS等主设备的重要状态量发生变化时应立即上报地市公司
求学者如果孜孜于衣食居住的安适,一定谈不上好学。同样,好学的目的也不是为了---
劳动者在就业岗位之间的变换所形成的失业,称为()A.技术性失业 B.季节性失
最新回复
(
0
)