首页
登录
职称英语
How important is your cell phone? So far, no studies have proven【B1】______ t
How important is your cell phone? So far, no studies have proven【B1】______ t
游客
2023-07-03
35
管理
问题
How important is your cell phone? So far, no studies have proven【B1】______ that the radio signals from cell phones cause brain cancer or other health problems. But a new study in the United States has some people wondering what to think The scientists found that holding a cell phone to your ear for at least 50 minutes 【B2】______brain cell activity. Even the scientists themselves are not sure about the【B3】______of their findings. Dr. Volkow says she would not be concerned that 50 minutes of cell phone【B4】______would harm anyone, but the research does illustrate the need to study whether or not there are【B5】______ impacts of such behaviors over several years. Her team studied 47 healthy volunteers between January and December of 2009. The volunteers had cell phones placed against both ears while the scientists made【B6】______of their brain activity. The result shows that even though the radio frequencies that are【B7】______ current cell phone technologies are very weak, they are able to activate the human brain to have an effect. Experts say people who are concerned about mobile phones can【B8】______like using a hands-free device. Dr. Giuseppe Esposito is a nuclear medicine【B9】______at Georgetown University Medical Center in Washington. He says after many years of studies, better kinds of research are still needed to【B10】______questions about cell phone safety. These studies would take years. [br] 【B3】
选项
答案
significance
解析
由空格前的about the可知,空格处需填入一个名词。结合录音可知,答案为significance,意为“意义,重要性”。
转载请注明原文地址:https://tihaiku.com/zcyy/2805154.html
相关试题推荐
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
Friendsplayanimportantpartinourlives.Andalthoughwetaketheactof
[originaltext]Acommunitytheatreisanimportantpartofalmosteverycity
[originaltext]W:Ihaveaveryimportantthingtoaskyou.DoyouspeakFrench?
[originaltext]W:Ihaveaveryimportantthingtoaskyou.DoyouspeakFrench?
[originaltext]W:Ihaveaveryimportantthingtoaskyou.DoyouspeakFrench?
随机试题
[originaltext]M:WhathashappenedtoMary?Shelookssoupset.W:Shelosthe
Whensocialscientistsusethetermculturetheytendtobetalkingabouta
关于数字印刷,说法正确的有( )。A.数字印刷能够实现可变数据印刷 B.数字
经前期综合征多发生于A.与年龄无关 B.中老年妇女 C.生育年龄妇女 D.
下列关于重置成本的说法中,错误的是()。A.重置成本一般可以分为复原重置成本和
假如你正在讲课,突然两位同学在课堂上打起架来,作为教师的你会怎么办?
股票的( )决定股票的市场价格。A.供求状况 B.内在价值 C.市场价值
.—般情况下,可转换债券的风险()。 A.高于股票B.低于普通债券 C
下列属于良好家庭交往方式的是()。A.权威 B.放纵型 C.溺爱型 D.
系统抽样法的关键是计算()。单选A.样本量 B.总体 C.统计量
最新回复
(
0
)