首页
登录
职称英语
Scientists who believe cell phones are dangerous have been throwing out hypo
Scientists who believe cell phones are dangerous have been throwing out hypo
游客
2023-11-17
20
管理
问题
Scientists who believe cell phones are dangerous have been throwing out hypotheses to explain away the negative results. Maybe something about the【1】animals raised their rates of cancer or sperm problems, so【2】the exposed animals didn’t seem to be harmed. Maybe the studies should have used pulsed,【3】radiation rather than a continuous beam, the better to【4】the way we actually use mobile phones. Maybe it matters【5】the lab animals are zapped【6】in a device like a Ferris wheel or while【7】around in cages. On the other hand, if these details do【8】, maybe that in itself is significant.
Scientists who【9】claims that cell-phone radiation is causing an epidemic of brain cancer【10】that there isn’t any mechanism.【11】textbook biophysics, only radiation that has enough energy to ionize molecules—that is, knock off electrons—can【12】cancer. Cell phones don’t【13】energy great enough to ionize molecules in living cells. Their【14】is "far below the cancer energy threshold,"【15】physicist Robert Park of the University of Maryland, who often【16】junk science. But whenever he makes that【17】in his What’s New e-newsletter, he gets【18】with angry responses insisting there are other ways low-energy radiation can【19】"I don’t like cell phones and I don’t like writing about cell phones," says Park,【20】the damned issue just won’t go away. " [br]
选项
A、run
B、running
C、wander
D、wandering
答案
B
解析
词义辨析题。正当在笼子里跑的时候,而不是“闲逛”。
转载请注明原文地址:https://tihaiku.com/zcyy/3194098.html
相关试题推荐
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
随机试题
A.attemptB.chargedC.crucialD.delicateE.essentiallyF.eventually
Itishardtotrackthebluewhale,theocean’slargestcreature,whichhas
Thedoctor,______tomakehernervous,didnotfullyexplaintheseriousnessof
WhatMakesSoundBeautiful?(69)Beautyiscertainlymor
Whenyoungpeoplegettheirfirstrealjobs,theyfacealotofnew,confusi
Forthispart,youareallowed30minutestowriteacompositionentitledProspe
某天体物理中心A委托承建单位C建立分布式高性能计算系统,对宇宙辐射进行大规模数值
某人误食某种物质1小时候后,出现头晕、头痛、恶心、呕吐、多汗、胸闷、视力模糊、无
道路客运站经营者应当持《道路运输经营许可证》依法向()办理有关登记手续。A:工商
关于建设经营移交(BOT)、公司合伙经营(PPP)、私人主动融资(PFI)和资产
最新回复
(
0
)