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
30
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、derive
B、lure
C、originate
D、trigger
答案
D
解析
词义辨析题。derive来自;lure引诱;originate源自;trigger导致。
转载请注明原文地址:https://tihaiku.com/zcyy/3194103.html
相关试题推荐
IbelievewhenIcomebackaftergraduationalltheseoldbuildings______down.A
7.______scientiststhoughttheRedPlanetwasaslifelessastheMoonwithdust
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
WhatdidmostEuropeanscholarsbelievebefore17thcenturyaboutthesizeofth
WhatdidmostEuropeanscholarsbelievebefore17thcenturyaboutthesizeofth
Mostpeoplebelievethatthegovernmentaldepartmentsshouldgive______service
AretheArtsDangerous?Artsinsp
Noonebelieveswhatthenewdirector______tohaveachieved.A、declaresB、confi
随机试题
Australiaisacontinentin______andliesbetweentheIndianOceanandtheSouth
[originaltext]M:2466.Simonspeaking.W:Hello.Isthistherightnumberfort
Thegeneralaimsofgroupdiscussionsaremanifold.Themostimportantobjec
[originaltext]W:Harry,what’sthematter?Youlookpale.M:Ijusthadaterrible
LocatedinNewSouthWales,oneofAustralia’smostagriculturally,industri
高中历史《雅典的民主政治》主要教学过程及板书设计 一、教学过程 环节一:新课导入 教师多媒体出示“世界地图”、“帕特农神庙遗址”图片。 之后讲解图片所蕴
用极坐标法测设点的平面位置时,测设的内容是()。A.测设水平角、水平距离
患者男,39岁。因反复右上腹疼痛半年入院。查体:一般情况可,皮肤巩膜无黄染。右上
与依从相比,认同更深入一层,它不受外界压力控制,行为具有一定的( )。A.自觉
(2018年真题)对中、高频均有吸声效果,且安拆便捷,兼具装饰效果的吸声结构应为
最新回复
(
0
)