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
10
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] 【C15】
选项
A、notes
B、notifies
C、notices
D、confirms
答案
A
解析
词义辨析题。notes评论;notifies通知;notices注意;confirms确认,确信。
转载请注明原文地址:https://tihaiku.com/zcyy/3191782.html
相关试题推荐
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseof
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseof
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseof
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthen
Modernscientists______thattruthisnotsomethingthatweassume,butsomethi
随机试题
[originaltext]Parentsshouldstopblamingthemselvesbecausethere’snota
TheresultofEnclosureMovementwereasfollowsEXCEPTA、farmsbecamebiggerand
IfU.S.softwarecompaniesdon’tpaymoreattentiontoquality,theycoul
下列关于URL的解释错误的是()。A.它是一种网络服务 B.它的中文意思是统一
在买卖合同中,买受人的义务有()。A.对标的物提供质量保证 B.受领标的物
下列哪种物质不是舒血管物质A.一氧化氮 B.激肽 C.乙酰胆碱 D.前列环
碳酸利多卡因优于盐酸利多卡因的主要原因是()A.起效快弥散广 B.循环稳定
挂牌公司下列股东权益变动行为中,投资者及其一致行动人应当在该事实发生之日起2日内
五名工人按甲—乙—丙—丁—戊的顺序轮流值夜班,每人值班1天休息4天。某日乙值夜班
下列有关注册会计师对以前审计获取的审计证据的考虑中,错误的是()。A.如果本期信
最新回复
(
0
)