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
The most pressing nuclear energy issue is the disposal of nuclear waste. Even if all the reactors in existence were completely s
The most pressing nuclear energy issue is the disposal of nuclear waste. Even if all the reactors in existence were completely s
admin
2014-11-27
24
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.
The word "evaporate"(Line 6, Para. 3)means______.
选项
A、steam
B、strengthen
C、flow out
D、harden
答案
A
解析
含义题。根据上下文来推测词义。根据the ponds are left to evaporate,uncovering piles of dried tailings.可判断出由于池塘里的液体蒸发没有了,废料才露了出来。故选项A正确。
转载请注明原文地址:https://kaotiyun.com/show/8vv7777K
0
大学英语四级
相关试题推荐
A、Beingabilingual.B、Masteringthelanguagescompletely.C、Havingtheexperienceofdoinginterpreting.D、Meetingdifferentpe
Bynow,everyoneknowsyousaveenergybyturningoutlights.Andyou【S1】_____waterbytakingshortershowers.Butit’sjustas
Bynow,everyoneknowsyousaveenergybyturningoutlights.Andyou【S1】_____waterbytakingshortershowers.Butit’sjustas
Bynow,everyoneknowsyousaveenergybyturningoutlights.Andyou【S1】_____waterbytakingshortershowers.Butit’sjustas
Anewreportclaimsthatthemakersofsugar-laden(含糖)drinkssuchassodas,sportsdrinks,energydrinksandfruitdrinkstaked
Anewreportclaimsthatthemakersofsugar-laden(含糖)drinkssuchassodas,sportsdrinks,energydrinksandfruitdrinkstaked
Anewreportclaimsthatthemakersofsugar-laden(含糖)drinkssuchassodas,sportsdrinks,energydrinksandfruitdrinkstaked
Anewreportclaimsthatthemakersofsugar-laden(含糖)drinkssuchassodas,sportsdrinks,energydrinksandfruitdrinkstaked
Anewreportclaimsthatthemakersofsugar-laden(含糖)drinkssuchassodas,sportsdrinks,energydrinksandfruitdrinkstaked
随机试题
谈判中产生威胁的因素不包括()
男性,12岁,跌伤后发现上胸部、肩部及头颈部有多个小出血点,眼结膜及口腔黏膜有淤斑,无呼吸困难,也未发现其他损伤。治疗应采取
二级市场又称为(),是供投资者买卖已发行证券的场所。
根据保险法律制度的规定,下列关于保险代理人的说法正确的是()。
投机性需求的决定因素是()。
下列哪项属于有意义的接受学习()
古巴老渔夫桑迪亚戈在连续84天没捕到鱼的情况下.终于独自钓上了一条大马林鱼。但这鱼实在太大,把他的小船在海上拖了3天才筋疲力尽,被他杀死了绑在小船的一边.在归程中却又遭到鲨鱼的袭击,最后回港时只剩下鱼头、鱼尾和一条脊骨。他的名言是:“一个人并不是生来就要被
Newtechnologylinkstheworldasneverbefore.Ourplanethasshrunk.It’snowa"globalvillage"wherecountriesareonlyseco
HowtoWriteaDissertationI.TwonecessarypreparationsA.Planning【T1】______【T1】______B.The【T2】______ofbalancedlife【T2】
A、Toliveamorecomfortablelife.B、Togiveperformances.C、Tobeapupilofafamousviolinist.D、Toenterafamousuniversity
最新回复
(
0
)