首页
登录
职称英语
[originaltext] Nuclear power’s danger to health, safety, and even to life it
[originaltext] Nuclear power’s danger to health, safety, and even to life it
游客
2023-08-22
13
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, 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 arc all around us but we cannot detect them or sense them without a radio receiver.(23)But unlike common radio waves, nuclear radiation is not harmless human beings and other things.
At very high levels, radiation can kill an animal or human being 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 arc killed outright, your body will replace the dead cells with healthy ones.(24)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. So stay away from radiation please.
Questions 23 to 25 are based on the passage you have just heard.
23. What is the one feature of radio waves that is different from the nuclear radiation?
24. What is the case that we may get cancer when hurt by nuclear radiation?
25. What is the purpose of this passage?
选项
A、To make clear the aftermath of nuclear radiation.
B、To explain why radiation has some mystery.
C、To compare the nuclear radiation and the radio waves.
D、To warn the readers against the nuclear radiation.
答案
D
解析
主旨题。四个选项均为不定式短语,可看出是在总结目的或大意,可推测本题是在问主旨大意,听时需注意对全文主旨大意的把握。本文分几个部分讲到了核辐射对人体的有害性,最后一句以祈使句的形式提醒人们远离核辐射,可知选D,其他选项均不准确。
转载请注明原文地址:https://tihaiku.com/zcyy/2947139.html
相关试题推荐
[originaltext]Over1,000peoplegetstruckbylightningeveryyearintheU
[originaltext]Over1,000peoplegetstruckbylightningeveryyearintheU
[originaltext]Over1,000peoplegetstruckbylightningeveryyearintheU
[originaltext]Inarecentstudyofsix-andseven-year-oldsinthePhiladel
[originaltext]Todaymostastronomersacceptthenotionthatgroupsofstars
[originaltext]Todaymostastronomersacceptthenotionthatgroupsofstars
[originaltext]M:Hi,Minnie,howareyoudoing?W:Prettygood.Thanks.Haveyo
[originaltext]M:Hi,Minnie,howareyoudoing?W:Prettygood.Thanks.Haveyo
[originaltext]M:Hey.HaveyoueverheardoftheOscars?W:Well,Iknowthemq
[originaltext]W:ThisschoolisluckytohaveateacherasgoodasProf.Helen
随机试题
JustlikeChinese,Westernersgivegiftsonmanyoccasions,suchas,onbirt
在下列选项中,符合办事公道规范的有()。A.顾全大局、服从上级 B.秉公执法
施工项目管理的主体是以项目负责人为首的项目经理部,即作业管理层,管理的客体是具体
对于生产经营单位存在的重大危险源,应根据规范进行危险性评估,评估结束后应出具重大
建筑工程恢复施工时,应当向发证机关报告;中止施工满( )的工程恢复施工前,建设
既能活血散瘀,又能镇惊安神的药物是A.合欢皮 B.酸枣仁 C.远志
注氮式灭火装置氮气瓶压力降低,应()。补充氮气$;$更换压力表$;$更换氮气瓶$
A. B. C. D.
当地时间4月18日,使用我国自主三代核电技术华龙一号建设的()投入商业运行
投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()
最新回复
(
0
)