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《nuclear power’s danger to health, safety, and even life itself 阅读理解答案》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、Nuclearpower’sdangertohealth,safety,andevenlifeitself阅读理解答案 Nuclearpower’sdangertohealth,safety,andevenlifeitselfcanbesummedupinoneword:radiation. Nuclearradiationhasacertainmysteryaboutit,partlybecauseitcannotbedetectedbyhumansenses.Itcan’tbeseenorheard,ortouchedortasted,eventhoughit
2、maybeallaroundus.Thereareotherthingslikethat.Forexample,radiowavesareallaroundusbutwecan’tdetectthem,sensethem,withoutaradioreceiver.Similarly,wecan’tsenseradioactivitywithoutaradiationdetector.Butunlikecommonradiowaves,nuclearradiationisnotharmlesstohumanbeingsandotherlivingthings. At
3、veryhighlevels,radiationcankillananimalorhumanbeingimmediatelybykillingmassesofcellsinvitalorgans.Buteventhelowestlevelscandoseriousdamage.Thereisnolevelsofradiationthatiscompletelysafe.Iftheradiationdoesnothitanythingimportant,thedamagemaynotbeserious.Thisisthecasewhenonlyafewcellsareh
4、it,andiftheyarekilledimmediately.Yourbodywillreplacethedeadcellswithhealthyones.Butifthefewcellsareonlydamaged,andiftheyreproducethemselves,youmaybeintrouble.Theycangrowintocancer.Sometimesthisdoesnotshowupformanyyears. Thisisanotherreasonforsomeofthemysteryaboutnuclearradiation.Seriou
5、sdamagecanbedonewithoutthevictimbeingawareatthetimethatdamagehasoccurred.Apersoncanbeirradiated（辐射）andfeelfine,thendieforcancerfive,ten,ortwentyyearslaterasaresult.Orachildcanbebornweakasaresultofradiationabsorbedbyitsgrandparents. Radiationcanhurtus.Wemustknowthetruth. 61.Whatisthema
6、inideaofthepassage? A.Howtodetectnuclearradiation. B.Howradiationkillaman. C.Themysteryaboutnuclearradiation. D.Seriousdamagecausedbynuclearradiation. 62.Whichofthefollowingstatementsistrue? A.Nuclearradiationcancausecancertohumanbeings. B.Nuclearradiationcanbesafetohumanbeingsif
7、itslevelislow. C.Nuclearradiationcanbedetectedbyhumansenses. D.Nuclearradiationisjustlikecommonradiowavesclip_image002[8]. 63.Howcannuclearradiationkillananimal? A.Bydamagingitsheart.B.Bykillingafewcells. C.Bykillingmanycellsinimportantorgans.D.Byhittinganyplaceinitsbody.
