首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Scientists who believe cell phones are dangerous have been throwing out hypotheses to explain away the negative results. Maybe s
Scientists who believe cell phones are dangerous have been throwing out hypotheses to explain away the negative results. Maybe s
admin
2012-05-04
27
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. "
【C7】
选项
A、run
B、running
C、wander
D、wandering
答案
B
解析
词义辨析题。正当在笼子里跑的时候,而不是“闲逛”。
转载请注明原文地址:https://kaotiyun.com/show/GUmK777K
0
专业英语四级
相关试题推荐
I’msureyoursuggestionwill______theproblem.
Toanespeciallysensitivechild,asimplescoldingcanbea______experience.
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseofraysfromthesunandotherstars.Theatmosphereag
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______istomakearecordofsomethinginordertoshowot
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthenations.Theythinkthatifcountriesplaygamestoget
In"Heishappytoseeherback",backisthe______ofthesentence.
______thattheyfulfilledtheplanaheadofschedule.
IsraeliPrimeMinisterBenjaminNetanyahu______.
Theboysandgirls______togetherroundthecampfiretellingstoriesandsingingsongs.
Someyoungmen______stronglyofcohabitationwithasharedlifewithoutasharedbackground.
随机试题
弱脉与濡脉的区别要点是
适用于内镜消毒的消毒剂是
关于建筑造型,说法错误的是()。
沟通是信息传递和交流的过程,包括()。
在建立了“四边形”概念后,再学习平行四边形、梯形、菱形、矩形、正方形等概念,这属于().
肉菜市场在你们小区旁边,出现堵车、影响出行的现象,街道办让你解决。你怎么办?
某客户于2004年11月1日将10万元存入商业银行,选择2年期的整存整取定期存款。2005年11月1日由于急于购买住房需要资金,鉴于定期存款未到期支取将视同活期存款计算利息,导致损失一部分利息收入,因此,该客户决定不将存款取出,而是先向商业银行申请1年期贷
当事务中的一部分操作失败时,整个事务应全部视为错误,事务对数据库所做的任何改变必须撤销,这称为【】。
GLOBALISATONFormany,thesurpriseoffindingaMcDonald’soutletinMoscoworBeijingprovidesnogreatersymbolofthesp
Hewasn’taskedtotakeonthechairmanshipofthesociety,______insufficientlypopularwithallmembers.
最新回复
(
0
)