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
2024-04-20
73
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、Radio waves can not be detected without a radio receiver.
B、Radio waves can not be seen or heard.
C、Radio waves are harmless to human being.
D、Radio waves are all around us.
答案
C
解析
推理题。本题将radio wave和nuclear radiation做了对比分析,要求选出两者的不同之处,需抓住表示对比的连接词unlike引导的句子,句子说明核辐射是有害的,则可推断无线电波和它的不同之处为对人体无害,选C。
转载请注明原文地址:http://tihaiku.com/zcyy/3563401.html
相关试题推荐
[originaltext]Nuclearpower’sdangertohealth,safety,andeventolifeit
[originaltext]Americansadvocateindividualitymorethananyotherthings,
[originaltext]Americansadvocateindividualitymorethananyotherthings,
[originaltext]AmericanvisitorstoEasternAsiaareoftensurprisedandpuz
[originaltext]AmericanvisitorstoEasternAsiaareoftensurprisedandpuz
[originaltext]AmericanvisitorstoEasternAsiaareoftensurprisedandpuz
[originaltext]M:Hi.Uh,(9)haven’twemetbefore?Youlooksofamiliar.W:Yea
[originaltext]M:Hi.Uh,(9)haven’twemetbefore?Youlooksofamiliar.W:Yea
[originaltext]M:Hey,wheredidyoufindthejournal?Ineedittoo.W:Righth
[originaltext]M:Hey,wheredidyoufindthejournal?Ineedittoo.W:Righth
随机试题
Hookingupthenewspeakerstoyourcomputerwill______thesound,makingitlo
Droppingoutofuniversitytolaunchastart-upisoldhat.ThetwistwithJ
全党要充分认识这场伟大斗争的长期性、复杂性、艰巨性,发扬斗争精神.提高斗争本领,
传播者又称()。A.信息员 B.受众 C.受传者 D.观众
男,皮肤黄染,肝质硬、肿大。实验室检查:清蛋白↓↓,α球蛋白和α球蛋白正常,β球
下列各句中加点的词语,使用不恰当的是()。A. B. C. D.
下列属于妊娠禁用药的是A.马钱子B.附子C.巴豆D.甘遂E.大黄
甲亢患者甲状腺手术前2周,应用大剂量碘剂的目的在于A.防止手术后甲状腺功能低下B
下列各项中,属于劳动合同订立原则的有()。A.公平原则 B.平等自愿原则
根据《环境影响评价技术导则—大气环境》,下列调查内容中,属于面源调查的有( )
最新回复
(
0
)