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
54
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、demolish
B、dismiss
C、conversely
D、strongly
答案
B
解析
词义和语法题。此处如果看出claims用作名词,就可找到正确答案。dismiss the claims that+同位语从句(反对……的提议)。demolish彻底摧毁;conversely相反地;strongly强烈地。
转载请注明原文地址:http://tihaiku.com/zcyy/3194100.html
相关试题推荐
Somescientistsaredubiousoftheclaimthatorganisms______withageasanin
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
Since1970,millionsofenthusiasts______asubstancewhichtheybelievecanre
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
Hewasoneofthegreatestscientiststheworldhaseverknown,yetifIh
随机试题
Thepossibilitythattheexplosionwascausedbysabotagecannotbe______.A、brok
[originaltext]Coachesandparentsshouldalsobecautiousthatyouthsport
SpeakerA:That’sverykindofyoutodoso.SpeakerB:________A、That’sallrigh
[originaltext]Weusuallythinkofhistoryusthestoryofimportantpeople
下列有关高等学校专业划分的说法不正确的一项是()。A.专业划分的依据越来越向学
几十年西方文学思潮不断(),从现代主义对个体本位、形式本位的大肆张扬,到后现代
根据规定,行政复议期间有下列情形之一,行政复议终止()。A、王某申请行政复议后
工程网络计划费用优化的基本思路是,在网络计划中,当有多条关键线路时,应通过不断缩
维生素A缺乏不容易引起的健康问题为( )。A.夜盲症 B.生长发育迟缓 C
患者腹痛、腹泻3天,大便呈黏液脓血便,伴发热、恶寒,首先应考虑()。A.细
最新回复
(
0
)