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
2023-11-16
12
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【C1】______animals raised their rates of cancer or sperm problems, so【C2】______the exposed animals didn’t seem to be harmed. Maybe the studies should have used pulsed,【C3】______radiation rather than a continuous beam, the better to【C4】______the way we actually use mobile phones. Maybe it matters【C5】______the lab animals are zapped【C6】______in a device like a Ferris wheel or while【C7】______around in cages. On the other hand, if these details do【C8】______, maybe that in itself is significant.
Scientists who【C9】______claims that cell-phone radiation is causing an epidemic of brain cancer【C10】______that there isn’t any mechanism.【C11】______textbook biophysics, only radiation that has enough energy to ionize molecules—that is, knock off electrons—can【C12】______cancer. Cell phones don’t【C13】______energy great enough to ionize molecules in living cells. Their【C14】______is "far below the cancer energy threshold,"【C15】______physicist Robert Park of the University of Maryland, who often【C16】______junk science. But whenever he makes that【C17】______in his What’s New e-newsletter, he gets【C18】______with angry responses insisting there are other ways low-energy radiation can【C19】______. "I don’t like cell phones and I don’t like writing about cell phones," says Park, "【C20】______the damned issue just won’t go away. " [br] 【C3】
选项
A、instant
B、long
C、on-off
D、short
答案
C
解析
上下文题。由后面的“radiation rather than a continuous beam”可知此处的含义是“非连续的”。
转载请注明原文地址:https://tihaiku.com/zcyy/3191770.html
相关试题推荐
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
随机试题
Manypeopleviewretirementasatimetostopworking.Butnewresearchshow
Sinceherfathercouldnotdrivehertotheairport,sherequestedheruncleto
PassageOneItcanbeshowninfactsendfiguresthatcyclingistheche
以下关于报警阀及末端试水装置的说法()错误。A.报警阀组控制的喷头只保护不
水磨石面层的石粒,应采用美观的、坚硬可磨的白云石、大理石,石粒应洁净无杂物,其粒
在2009年上半年中,外资实际投资额占当月实际投资额比例最大的月份是()。
A.脾、肾静脉分流术 B.门腔静脉分流术 C.脾切除+贲门周围血管离断术
非公开募集基金应当向合格投资者募集,合格投资者累计不得超过( )人。A.50
(2015年11月)企业在不同发展阶段应选择与薪酬水平相应的薪酬政策,但不包括
A.2分子ATP B.5分子ATP C.3分子ATP D.2.5分子ATP
最新回复
(
0
)