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
2024-10-18
58
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/3806344.html
相关试题推荐
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
Scientistswhobelievecellphonesaredangeroushavebeenthrowingouthypo
随机试题
Aircannot______,butitisallaroundus.A、isseenB、seeC、beseenC情态动词cannot
Weworktomakemoney,butit’sa______thatpeoplewhoworkhardandlongoften
【B1】[br]【B3】A、whereB、whenC、whatD、whichB结构衔接题。这句中的表语是由when引导的表语从句,是说明summer
下列有关酸、碱。盐的知识,其中正确的是()。 A.常温下,酸溶液的pH一
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
地理因素、人口因素、消费心理因素和消费行为等因素是划分( )市场的标志。
活性炭吸附装置中,废水容积为100L,废水中吸附质浓度为0.8g/L,吸附平衡时
2013年1~2月,全国公共财政收入(由中央财政收入与地方财政收入组成)2242
以下()项目适合用假设开发法估价。A:普通住宅 B:在建工程估价 C:标准厂
十四五规划提出,拓展投资空间。发挥( )撬动作用,激发民间投资活力,形成市场主导
最新回复
(
0
)