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
28
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] 【C13】
选项
A、commit
B、emit
C、permit
D、transmit
答案
B
解析
词义辨析题。commit实施,通常搭配suicide(自杀)和crime(犯罪);emit放射;permit允许;transmit传播,广播。
转载请注明原文地址:https://tihaiku.com/zcyy/3191780.html
相关试题推荐
Scientistssaythatmanyfactors______greatchangesintheweather.A、broughta
KoehlersaidinaninterviewwithaGermannewspaperthathedidn’tbelieve[ori
OfficialssaywaterlevelsalongtheBrahmaputraRiverstillareatdangerousle
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseof
Spaceisadangerousplace,notonlybecauseofmeteorsbutalsobecauseof
ThesearchforacheapalternativefuelhasledAmericanscientiststostudythe
ItishardtobelievethatShanghai______sofastwitheachpassingday.A、isch
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthen
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthen
Modernscientists______thattruthisnotsomethingthatweassume,butsomethi
随机试题
[originaltext]Jameswroteaplayfortelevisionaboutafamilywhocamet
“因为中国资产阶级根本上与剥削农民的豪绅地主相联结相混合,中国革命要推翻豪绅地主
5.29x0.9259=()。A.4.8 B..4.90 C.4.89
治疗新生儿黄疸湿热熏蒸证,应首选的方剂是( )。A.四逆散 B.四妙散 C
A.格列本脲 B.丙硫氧嘧啶 C.甲巯咪唑(他巴唑) D.阿苯达唑 E.
患者剖宫产后5天,高热寒战,小腹疼痛拒按,恶露量时多时少,色黯紫如败酱,气臭秽,
有一蛋白质水解产物在用pH6阳离子交换剂层析时,第一个被洗脱下来的氨基酸是A.缬
个人信用贷款的特点不包括()。A.贷款额度小 B.贷款风险较低 C
我国社会主义教育目的的基本点是什么?
录入的对账单内容一般包括()。A、入账日期 B、结算方式 C、结算单据字号
最新回复
(
0
)