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
2024-10-19
25
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、by comparison
B、expectedly
C、frankly speaking
D、indeed
答案
B
解析
词义辨析题。by comparison相比而言;expectedly可以预见地;frankly speaking坦白地讲;indeed的确。
转载请注明原文地址:https://tihaiku.com/zcyy/3808655.html
相关试题推荐
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthen
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthen
The______cycleoflifeanddeathisasubjectofinteresttoscientistsandph
Johndoesn’tbelievein______medicine;hehassomeremediesofhisown.A、stand
The______cycleoflifeanddeathisasubjectofinteresttoscientistsandph
Manypeoplebelievethattherewillbefewproblemsinourlifeinthefuture__
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Forthosewhohavehearingproblemstelephoneswithvolumecontrolsprovidethe
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossof
随机试题
"Youknowsomuchaboutliterature.It’sapityyoufailedyourdegree,"Harrys
项目经理在编制项目管理计划时,应( )。A.越简单越好 B.越详细越好 C
在粘土中的摩擦群桩中,桩间距一般不小于()。A.1D B.2D C.3
下图是“某河流的年径流量变化曲线示意图”。读图完成下题。 该河4月份的汛期
药材叶片以水浸后,对光可见黑色或棕色条纹的是A:薄荷B:淫羊藿C:金钱草D
患者女,60岁。患糖尿病15年,今晨起床时发现右侧肢体瘫痪,站立后摔倒,当时意识
振荡时系统任何一点电流与电压之间的相位角都随功角的变化而改变;而短路时,电流与电
若从现场取5组数据,均值分别为:65.23,65.75,67.03,64.8
提示酒精性肝损伤最敏感的酶学指标是 A.ALTB.ASTC.GGT
假设某国2010年的各项经济指标如下:国民生产总值4780亿美元;年底末清偿外债
最新回复
(
0
)