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
20
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
有公司采用弹性工作制,更注重效率,而不是压力。(emphasison)Somecompanieshaveintroducedflexiblework
Countriesatalllevelsofeconomicdevelopmentfaceasimilarchallenge:to
A.过敏性休克 B.感染性休克 C.心源性休克 D.低血容量性休克 E.
下列关于《商业银行资本管理办法(试行)》中对资本监管的要求,不正确的是()
以下哪项不是"望目态"的范畴A.瞳孔缩小B.目睛凝视C.睡眠露睛D.胞睑下垂E.
某套商品住宅总价为25万元,套内建筑面积92m2,套内墙体面积15m2,套内阳台
6个月患儿,腹泻水样便,每天10余次。为稀水样便,今日患儿昏睡,呼吸深快,尿量极
历史文化名城保护规划必须遵循()的原则。A.保护历史真实载体 B.保护历
下列关于债券投资收益计算公式,正确的有()。A.持有期收益率=票面利息/购买价
属于核苷衍生物,可改善脑组织代谢,促进大脑功能恢复、促进苏醒的是A.吡拉西坦
最新回复
(
0
)