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
29
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] 【C8】
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/3191775.html
相关试题推荐
Forthosewhohavehearingproblemstelephoneswithvolumecontrolsprovidethe
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossof
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossof
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
随机试题
Saks,611FifthAve.(MidtownEast/MurrayHill),near50thSt.,212-753-
实行学费补偿、国家助学贷款代偿和学费减免的年限计算,下列说法正确的是()A.按照
下列关于钢材的技术性能的相关说法中,正确的是()。A.钢材最重要的使用性能是力
长时间运动血糖下降时首先受影响的是()A.肺 B.肝 C.脑 D.心
阅读有关语感的研究论文节选,按照要求答题。 语感是对言语的直感,要想提升语
(2017年真题)关于基金信息披露的禁止性行为,下列说法错误的是()。A.
对焦虑症患者的心理护理,不恰当的是A、指导患者进行放松训练 B、鼓励患者倾诉内
当直流电源设备出现蓄电池组整组容量小于等于50%时,缺陷性质为()(A)一般缺
()是指先于学习任务本身呈现的一种引导性材料,它的抽象、概括和综合水平高于学习任
设计施工总承包合同履行过程中,()组织竣工验收。A.发包人 B.承包
最新回复
(
0
)