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
2023-11-03
7
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] 【C5】
选项
A、on
B、in
C、from
D、at
答案
A
解析
介词辨析题。[A]on与the phone构成固定搭配,意为“打电话,通电话”,故为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3154237.html
相关试题推荐
Lifeinsuranceisfinancialprotectionfordependentsagainstloss______oftheb
Whatisthemainpurposeforholdingsuchaspecialcontest?[originaltext]A
InEurope,theumbrellawasfirstusedagainsttherainA、inFrance.B、inEngland
Asadefenseagainstair-pollutiondamage,manyplantsandanimals______asubs
Stellaheldhergroundagainstseveralattemptsto______herassecretaryofth
Someimportantmusiccompaniesusedlawstoguardagainst______.[br][original
Whenahurricaneisabouttooccur,warningisusuallygivenbytheweatherbure
WhichofthefollowingimperativesentencesindicatesWARNING?A、Bequiet,please
Someforeigners’boldremarksagainsttheauthoritiesraisedeveryone’seyebrows
Theprofitsrisewasachieved______abackdropoffallingcosts.A、withB、against
随机试题
[originaltext]M:Sohowcomeyouchosepsychology?W:Well,atlustIdidn’tha
Ahuman’seyesightisnotas______asthatofaneagle.A、eccentricB、acuteC、se
Competitionintheearlymovieindustrywas【B1】______.Toforcetheircompeti
[originaltext]Goodmorning.Haveyoueverboughtashirtordressonlineon
[originaltext]M:I’mnevergoingtothatcoffeehouseagain!W:Why?Whathappen
楼梯平面图一般有底层平面图、标准层平面图和顶层平面图三个。
噪声测量时,被测声源是稳态噪声,采用()的等效声级.1min;3min;5m
抨击嘲讽教会的贪婪腐化的著作有()A.《愚人颂》《巨人传》《十日谈》 B.《神
异议就是个人对自己的()中反映的信息持否定或不同意见。A.信用报告 B.数据
妊娠期龈炎的直接病因是A.妊娠 B.激素水平变化 C.血液循环加快 D.血
最新回复
(
0
)