Do Cell Phones Pose Health Problems? 中学英语课外阅读阅读材料摘要:赵雅君河北省唐山市第一中学中学科技
Some researchers believe that the radiation emitted by cell phones may constitute a health risk to the user. The Stealth Radar Shield™ uses advanced radar-absorbing and stealth technology to absorb up to 98 percent of the radiation emitted from the earpiece areas of wireless a...
. Health problems caused by the use of smartphones. . The danger of coliforms infection. . The influence that smartphones have on our life. 相关知识点: 试题来源: 解析 【答案】【小题1】D【小题2】C【小题3】A【小题4】B 【解析】试题分析:本文阐述了智能手机在给人们方便的同时五无形中...
aHowever, the cell phone has many disadvantages. For one thing, the machine itself is very expensive and its local service is very costly, not to mention its global service. For another, the radiation transmitted from the mobile phones might do harm to the user's health.[translate]...
Health problems caused by the use of smart-phones. . The danger of coli forms infection. . The influence that smart-phones have on our life. 相关知识点: 试题来源: 解析 26.D.推理判断题.根据文章第一段It can call people.It connects to the Internet.It enables you to play fun games...
put it close to you when a new phone is bought. Apple company, for example, doesn't want iPhones to come closer to you than 1.5 centimeters; Research In Motion, BlackBerry's producer, recommends 2.5 centimeters.If cell phone use can cause health problems, the result will be very serious...
aHowever, the cell phone also has many disadvantages. For one thing, the machine itself is very expensive and its local service is very costly, not to mention its global service. For another, the radiation from the mobile phones might do harm to the user’s health. [translate] ...
phones are used in public places more than people realize D. Most people don’t know how dirty their cell phones are 4. What is the article mainly about? A. Tips on the use of phones B. Health problems caused by the use of phones C. The danger of coliforms infection D. The ...
Public health data show no association between exposure to radio frequency energy from cell phone use and health problems. While the video in question is misleading, there is evidence to suggest that cell phones may emit varying degrees of electromagnetic waves depending on battery charge and how ...
David was convinced that high doses of radiation from the cellphone was the cause.Reynard v. NEC — the first tort suit in the United States to claim a link between phone radiation and brain cancer — illustrated one of the most complex conceptual problems in cancer epidemiology. In principle...