首页
登录
职称英语
Warning: Holding a cell phone against your ear or storing it in your pocket
Warning: Holding a cell phone against your ear or storing it in your pocket
游客
2024-10-08
39
管理
问题
Warning: Holding a cell phone against your ear or storing it in your pocket may be hazardous to your health.
This paraphrases a warning that cell phone manufacturers include in the small print that is often (1)______when a new phone is purchased. Apple,(2)______, doesn’t want IPhones to come closer to you than 1. 5 centimeters; Research In Motion, BlackBerry’s manufacturer,(3)______2.5 centimeters.
If health issues(4)______ cell phone use, the implications are huge. According to a recent survey, Americans chat(5)______ cell phones 2. 26 trillion minutes annually, which(6)______$109 billion for the wireless carriers. Epide-miologists(流行病学家)pointed out that brain cancer isa(n)(7)______. Overall, there has not been a(n)(8)______in its incidence since cell phones arrived. But the average(9)______ an increase in brain cancer in the 20-to-29 age group(10)______a drop for the older population.
"Most cancers have(11)______ causes," an expert says, (12)______she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer.
Besides, children are more (13)______ to radiation than adults, other scientists point out. Radiation that(14)______ only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains(15)______more absorptive fluid.
Henry Lai, a research professor at the University of Washington, began laboratory radiation studies in 1980 and found that rats(16)______ radio frequency radiation had(17) ______DNA in their brains.
Ms. Davis recommends(18)______ wired headsets or the phone’s speaker. Children should text (19)______ call, she said, and pregnant women should keep phones away from the abdomen(20)______. [br] (12)
选项
A、or
B、but
C、and
D、otherwise
答案
B
解析
语篇衔接题。[B]but符合此处的逻辑关系,故为正确答案。[A]or表示选择,与此处的逻辑关系相悖,排除;[C]and表示承接;[D]otherwise表示“否则,要不然”,上述两项均与原文不符,排除。
转载请注明原文地址:https://tihaiku.com/zcyy/3792932.html
相关试题推荐
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Nepal’sgovernmentdeployedairpatrolsandpoliceofficerstoguardagainst[or
随机试题
[originaltext]I’dliketolookatavitalaspectofe-commerce,andthatisthe
企业发行方发行除股票以外的其他金融工具为权益工具的,应按实际收到的金额,借记“银
人体膳食调查报告的主体内容应包括( )。A.居民食物摄入状况 B.居民能量和
不行径内囊后肢的纤维束是()A.皮质脊髓束 B.皮质脑干束 C.听辐
2013年全国中高等学校中,普通本专科生约是网络本专科生的()倍。 A.3
下列关于风险预警程序的排序中,正确的是()。A.信用信息的收集和传递、风险
(2015年真题)二母宁嗽丸的功效是( )。A.清热化痰,降气平喘 B.清肺
房地产开发项目管理的进度目标包括()A.开发项目达到交付使用条件的总时间目标
用()确定人工定额,通常作为一次性定额使用。A、技术测定法 B、统计分析法
慢性肺脓肿较急性肺脓肿更为常见的体征是A.肺部闻及支气管呼吸音 B.肺部叩诊呈
最新回复
(
0
)