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
Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation. Nuclear radiation ha
Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation. Nuclear radiation ha
admin
2015-12-31
24
问题
Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation.
Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses. It can’t be seen or heard, or touched or tasted, even though it may be all around us. There are other things like that. For example, radio waves are all around us but we can’t sense radioactivity without a radiation detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things.
At very high levels, radiation can kill an animal or human being outright by killing masses of cell in vital organs. But even the lowest levels can do serious damage. There is no level of radiation that is completely safe. If the radiation does not hit anything important, the damage may not be significant. This is the case when only a few cells are hit, and if they are killed outright. Your body will replace the dead cells with healthy ones. But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They reproduce themselves in a deformed way. They can grow into cancer. Sometimes this does not show up for many years.
There is another reason for some of the mystery about nuclear radiation. Serious damage can be done without the victim being aware at the time that damage has occurred. A person can be irradiated and feel fine, then die of cancer five, ten, or twenty years later as a result. Or a child can be born weak or liable to serious illness as a result of radiation absorbed by its grandparents.
Radiation can hurt us. We must know the truth.
According to the passage, the danger of nuclear power lies in______.
选项
A、nuclear mystery
B、radiation detection
C、radiation level
D、nuclear radiation
答案
D
解析
本题问根据文章内容,核能的危险性在于什么。文章第一段指出,核能对人的健康、安全、甚至于生命的危害可以归结为一个词——辐射。换言之,核能是通过辐射危害人的。因此,本题的正确答案应是D“核辐射”。
转载请注明原文地址:https://kaotiyun.com/show/izPO777K
0
在职攻硕英语联考
相关试题推荐
Chapter-A-Dayisintendedtohelppeople______.ItcanbeinferredthatthroughChapter-A-Day______.
"Couchpotatoes"inParagraph1referstothosewho______.Apartfromtechnology,thegrowingleisuretimethroughoutthetwen
Health-careserviceswillaccountforalmostone-fifthofalljobgrowthduringthe1996~2005period.Homehealth-careaidswill
Woman:Areyoupreparedfortheexamtomorrow?Man:Oh,yeah,theexamwillbeapieceofcake.Question:Whatdoesthemanmean
IthinkIwasatschool,IwasstayingwithafriendduringthevacationwhenIheardthenews.
Englandisnotabigcountry:fromnorthtosouthandfromeasttowestitisonlyaboutthreehundredmilesacross.Butforas
Englandisnotabigcountry:fromnorthtosouthandfromeasttowestitisonlyaboutthreehundredmilesacross.Butforas
Englandisnotabigcountry:fromnorthtosouthandfromeasttowestitisonlyaboutthreehundredmilesacross.Butforas
TheelectromagnetwasinventedinEnglandbyWilliamSturgeon,whotookanironrodandbentitintotheshapeofahorseshoe.T
AchainofshopsinEastYorkshire,Englandhasbeentoldthatitwouldbeacriminaloffencetosellthousandsoftubesoftoot
随机试题
女,68岁。不慎跌倒,手掌着地受伤,腕部出现“枪刺”样畸形,X线检查证实为Colles骨折,其最适合的固定方法是
羊水过多为妊娠后,肢体面目发生肿胀为
EDTA酸效应系数的定义是()。
护面墙的类型有()。
了解被审计单位及其环境一般在下列哪段时间内进行( )。下列关于计划审计工作的说法中,正确的是( )。
根据《旅行社责任保险管理办法》规定,保险责任中对导游或者领队人员的责任仅限于()所应当承担的赔偿责任。
()设施布置适用于物料比较多样化、数量中等或少量、工艺过程占主导地位或费用昂贵时的情况。其装卸搬运的特点通常是机动灵活的,如果是固定位置的,则要求通用性强,适应性好,而且是间断工作的。
综合课程
Forthelastfiftyyears,theglobehasbeenwarmingup.Itistruethattheaveragetemperature【C1】r______isonlyabouttwo
Peopledonotanalyzeeveryproblemtheymeet.Sometimestheytrytoremembera【B1】______fromthelasttimetheyhadasimilarp
最新回复
(
0
)