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
23
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、work
B、matter
C、exist
D、harm
答案
B
解析
词义辨析题和上下文题。“如果这些细节的确重要,也许本身就很有意义”。
转载请注明原文地址:https://tihaiku.com/zcyy/3808661.html
相关试题推荐
Onceuponatime,youbelievedinthetoothfairy.Youcountedonthestabil
Onceuponatime,youbelievedinthetoothfairy.Youcountedonthestabil
Onceuponatime,youbelievedinthetoothfairy.Youcountedonthestabil
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
随机试题
[originaltext]W:Wu,doyouhavetimetotellmemoreaboutthemultimediateac
Oneofthemostauthoritativespeakingtoustodayis,ofcourse,thevoice
Streetsellers,particularlyindevelopingcountries,【C1】______largeamounts
下列兵种属于中国人民解放军海军的是:A、边海防部队 B、电子对抗兵 C、岸防
磺胺药抗菌机制是A、抑制DNA螺旋酶 B、抑制二氢叶酸还原酶 C、抑制二氢叶
A.心与脾 B.心与肾 C.肾与肝 D.肝与肺 E.心与肺主要体现在气血
患者血清与A型、B型红细胞均产生凝集,与O型红细胞不产生凝集,根据ABO血型系统
简述职业生涯管理的概念与分类。
《汽车贷款管理办法》为便于对汽车贷款进行风险管理,将借款人细分为个人、汽车经销商
与行为疗法相对应的是A.确定来访者的受暗示程度 B.对来访者进行梦的分析 C
最新回复
(
0
)