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
2024-09-22
36
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【C1】______ when a new phone is purchased. Apple, 【C2】______, doesn’t want iPhones to come closer to you than 1.5 centimeters; Research In Motion, BlackBerry’s manufacturer,【C3】______2.5 centimeters.
If health issues【C4】______cell phone use, the implications are huge. According to a recent survey,Americans chat【C5】______cell phones 2.26 trillion minutes annually, which【C6】______ $100 billion for the wireless carriers. Epidemiologists(流行病学家)pointed out that brain cancer is a( n) 【C7】______. Overall, there has not been a(n) 【C8】______ in its incidence since cell phones arrived. But the average【C9】______an increase in brain cancer in the 20-to-29 age group【C10】______a drop for the older population.
"Most cancers have【C11】______causes," an expert says,【C12】______she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer.
Besides, children are more【C13】______ to radiation than adults, other scientists point out. Radiation that【C14】______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【C15】______ more absorptive fluid.
Henry Lai ,a research professor at the University of Washington,began laboratory radiation studies in 1980 and found that rats【C16】______ radio frequency radiation had【C17】______DNA in their brains.
Ms. Davis recommends【C18】______wired headsets or the phone’s speaker. Children should text【C19】______ call, she said, and pregnant women should keep phones away from the abdomen【C20】______. [br] 【C12】
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,故排除;[C]and表示承接,故排除;[D]otherwise表示“否则,要不然”,与文意不符,故排除。
转载请注明原文地址:https://tihaiku.com/zcyy/3768812.html
相关试题推荐
Thousandsofpeopleturnedoutintothestreetsto______againstthelocalautho
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
Warning:Holdingacellphoneagainstyourearorstoringitinyourpocket
随机试题
Inrecentyears,moreandmoreforeignersareinvolvedintheteachingprogr
Yourusualteacherhaslosthisvoiceand______Iamtakinghisplacetoday.A、n
Itiscommonlyheldthatdrinkingmoderateamountsofalcoholcanreducethe
患者,女性,22岁。因转移性右下腹痛被诊断为“阑尾炎”2年,采取保守治疗。本次患
电视业的崛起,导致了电影业的衰退,这种衰退属于( )。A.绝对衰退 B.相对
产生抗体的细胞是A.T细胞 B.肥大细胞 C.浆细胞 D.NK细胞 E.
鞋匠∶缝纫机∶大头皮鞋()A.园丁∶洒水壶∶鹿角海棠 B.矿工∶十字镐∶钙铁
某企业对商品在期未时按“成本与可变现净值孰低”计量,某商品的估计售价为60000
3月中旬,某饲料厂预计两个月后将需要玉米5000吨,决定利用玉米期货进行套期保值
信用货币具有强制性表现为()。A.与黄金完全脱离 B.信用货币实际上是
最新回复
(
0
)