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
2023-11-17
48
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【1】animals raised their rates of cancer or sperm problems, so【2】the exposed animals didn’t seem to be harmed. Maybe the studies should have used pulsed,【3】radiation rather than a continuous beam, the better to【4】the way we actually use mobile phones. Maybe it matters【5】the lab animals are zapped【6】in a device like a Ferris wheel or while【7】around in cages. On the other hand, if these details do【8】, maybe that in itself is significant.
Scientists who【9】claims that cell-phone radiation is causing an epidemic of brain cancer【10】that there isn’t any mechanism.【11】textbook biophysics, only radiation that has enough energy to ionize molecules—that is, knock off electrons—can【12】cancer. Cell phones don’t【13】energy great enough to ionize molecules in living cells. Their【14】is "far below the cancer energy threshold,"【15】physicist Robert Park of the University of Maryland, who often【16】junk science. But whenever he makes that【17】in his What’s New e-newsletter, he gets【18】with angry responses insisting there are other ways low-energy radiation can【19】"I don’t like cell phones and I don’t like writing about cell phones," says Park,【20】the damned issue just won’t go away. " [br]
选项
A、but
B、besides
C、hence
D、meanwhile
答案
A
解析
逻辑关系题。此处表示转折关系。besides表示递进关系;hence(因此)表示因果关系;meanwhile(同时)表示并立关系。
转载请注明原文地址:https://tihaiku.com/zcyy/3194111.html
相关试题推荐
Wearealwaystaughttobehonestsincechildhood.However,somebelievehone
Manypeoplebelievethattherewillbefewproblemsinourlifeinthefuture__
______wouldtheybelieveyourexplanationthatyouwerelatebecauseyouwereki
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Whydoadultsbelievethatalcoholicawarenessprogramsteachyoungpeople
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossof
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossof
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
Americansbelievetimeisalimitedresource;theytrytoconserveandmana
随机试题
[audioFiles]audio_ehbm_j37001(20082)[/audioFiles]A、TakeNo.232bus.B、Youcan
[originaltext]Today,I’llbetalkingabouttheinventionofthecameraandp
男,34岁,突起上腹痛3小时,伴恶心、呕吐,发病前有酗酒史。查体:血压12.01
结肠癌Duke分期中,C期正确的描述是()。A.肿瘤局限于肠壁 B.肿瘤穿透
中性点经消弧线圈接地系统,应运行于(____)状态。欠补偿$;$过补偿$;$全补
根据工业用地在城市中的布置,属于按环境污染分类的是()。A.一般工业 B.
商场的自动扶梯以匀速由下往上行驶,两个孩子在行驶的扶梯上上下走动,女孩由下往上走
以下哪个是根据针对火险的财险精算原理,对贷款组合违约率进行分析,并假设在组合中,
材料采购招标项目评标中,某投标人提供国内货物,对该投标人评标总价的计算以(
某建筑施工企业,一年内发生两起安全生产事故,则企业()应对企业安全生产全面负
最新回复
(
0
)