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
37
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] 【C19】
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:https://tihaiku.com/zcyy/3191786.html
相关试题推荐
Morethanonce,Ibelieveeverybodyelseinourcompanywouldagreewithme,___
Manypeoplebelievethatourspecies______threatenedwithextinction.A、isB、ar
Thescientistshaveabsolutefreedomastowhatresearchtheythinkitbestto_
Whatisthispassagemainlyabout?[br][originaltext]Scientistssayshark
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecaus
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
随机试题
AnApproachtoFactualWritingI.Thedemandsofdiffer
下列句子中,使用了夸张修辞手法的有( )。A.问君能有几多愁,恰似一江春水向东
阵压结构变压器的中压绕组放在中间,而()放在最里层。A.高压绕组
中部某市为提升城市防洪能力,改善流域生态环境,拟对当前水系进行综合治理,工程任务
以下关于社区的说法错误的是A.社区是指若干社会群体或社会组织聚集在某一地域里所形
川崎病发病早期10天以内宜给予何种药物来迅速退热和预防冠状动脉病变的发生A、阿司
Thechangeinthatvillagewasmiraculou
运输企业用来提高其市场占有率的方法有( )。 A.吸引更多的新顾客
A.2 B. C. D.1
呕吐带发酵味的数餐前的食物可见于A.急性糜烂性胃炎 B.慢性胃炎 C.消化性
最新回复
(
0
)