首页
登录
职称英语
Nuclear power’s danger to health, safety, and even to life itself can be sum
Nuclear power’s danger to health, safety, and even to life itself can be sum
游客
2024-06-03
12
管理
问题
Nuclear power’s danger to health, safety, and even to 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 cannot be seen or heard, or touched or tasted, even though it is all around us. There are other things like that. Radio waves are all around us but we cannot detect them, sense them, without a radio receiver. Similarly, we cannot sense radioactivity without a radio detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other things.
At very high levels, radiation can kill an animal or human being outfight by killing masses of cells 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 hurt anything important, the damage may not be significant. This is the case when only a few 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.
This 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 radiated and feel fine, then die of cancer five, ten or twenty years later as a result.
Radiation can hurt us. We must know the troth. [br] What can we infer from the third paragraph?
选项
A、Radiation can kill an animal immediately.
B、Radiation at any level is not harmless.
C、The deformed cells can reproduce themselves.
D、Protection from radiation is always necessary.
答案
D
解析
这是一个推断题。根据第三段,我们可以知道:无论核辐射的高与低,只要是核辐射,都会对人体造成伤害,损害人体细胞,使其发生癌变,甚至常年潜藏于人体而不被发现。因此,读者不难判断出,对核辐射的防护是必要的。因此,选D项。
转载请注明原文地址:https://tihaiku.com/zcyy/3617892.html
相关试题推荐
Nuclearpower’sdangertohealth,safety,andeventolifeitselfcanbesum
Nuclearpower’sdangertohealth,safety,andeventolifeitselfcanbesum
Nuclearpower’sdangertohealth,safety,andeventolifeitselfcanbesum
Theconceptofhealthholdsdifferentmeaningsfordifferentpeopleandgrou
Theconceptofhealthholdsdifferentmeaningsfordifferentpeopleandgrou
Beingamanhasalwaysbeendangerous.Thereareabout105malesbornfore
Beingamanhasalwaysbeendangerous.Thereareabout105malesbornfore
Beingamanhasalwaysbeendangerous.Thereareabout105malesbornfore
[originaltext]Notlongagoitwasassumedthatthedangersmanwouldmeeti
Thehealth-careeconomyisfilledwithunusualandevenuniqueeconomicrela
随机试题
Pursuingacareerisanessentialpartofadolescentdevelopment."Theadole
TherearemanydialectsofChinesewithradicallydifferentpronunciationsofth
为保证电力系统运行的稳定性,维持电力系统频率、电压的正常水平,系统应有足够的静态
患者,男性,51岁,昏迷。因过度换气,肌肉抽搐,面颊潮红。血气分析示:PaCO3
关于外科预防用药的叙述正确的是A、清洁手术的手术野无污染,但必须按常规预防应用抗
在讲“平面直角坐标系”时,王老师在讲授该知识前提出了这样一个问题:在数轴上一个点
关于社会工作价值观的说法,正确的有()。A:社会工作者应当使用统一规范的服务方法
常用络石藤而不用海风藤治疗的病证有A.风寒湿痹 B.喉痹痈肿 C.跌打损伤
党的群众路线教育实践活动要以( )的勇气和态度查找问题、剖析原因。A.高度负责
与其他资源相比,人力资源最为重要的特性包括()A.社会性 B.能动性 C.
最新回复
(
0
)