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
42
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、do harm
B、do in
C、do over
D、do up
答案
A
解析
固定搭配题。“其他低耗能的放射也带来危害”。do in伤害;do over重复做;do up固定。
转载请注明原文地址:http://tihaiku.com/zcyy/3808672.html
相关试题推荐
Onceuponatime,youbelievedinthetoothfairy.Youcountedonthestabil
Onceuponatime,youbelievedinthetoothfairy.Youcountedonthestabil
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
随机试题
Theendlesspublicappearancesandshakingofhandsareaninevitablepartofan
byColumbus,alltheargumentscametoanend.A、Tilenewlandwasdiscover
[originaltext]LyndonB.Johnsonwasthe8thVicepresidentoftheUnitedSt
对聘用到护理、艺术、体育专业岗位工作的文职人员,最低学历可以是()。A.
财务指标分析法是指设置一系列的财务指标,包括()等,通过单一指标或多项指标的综
共用题干 EnergyandPublicLandsTheUnited
下列各句中,没有语病的一项是: A《最强大脑》国际PK赛第一场,中国男孩李云龙
C原题中第一个图形,五角星面的黑色角对着圆形面。直接排除ABD,选择C选项。
MIC指的是A.抗生素后效应 B.最低抑菌浓度 C.最低杀菌浓度 D.抗菌
甲国有独资公司的董事会作出了下列决议,其中符合法律规定的是()。A.聘任赵某为
最新回复
(
0
)