首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
How important is your cell phone? So far, no studies have proven【B1】______ that the radio signals from cell phones cause brain c
How important is your cell phone? So far, no studies have proven【B1】______ that the radio signals from cell phones cause brain c
admin
2015-09-13
31
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.
【B7】
选项
答案
emitted from
解析
分析句子结构可知,空格处需填入一个动词(词组)的过去分词与are一起作从句的谓语部分。结合录音可知,答案为emitted from,意为“从……发出”。注意,此处应用被动语态。
转载请注明原文地址:https://kaotiyun.com/show/nal7777K
0
大学英语四级
相关试题推荐
A、Atouristmap.B、Anewsreport.C、Amuseumguide.D、Asciencetextbook.C选项A)Atouristmap(一张导游图),B)Anewsreport(一则新闻报道),C)A
Heredity(遗传)isnottheonlythingthatinfluencesourcolour.Whereandhowweliveafterwearebornisimportanttoo.Forinst
ResearchersattheLondonSchoolofHygieneandTropicalMedicinepublishedastudyshowingthat,becauseoffoodproductionand
Soonafterstartinghisjobassuperintendent(监管人)oftheMemphis,Tenn.,publicschools,KrinerCashorderedanassessmentofhi
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstructionmanual.Andeachchildisdifferent.Sopare
A、Theywouldhaveenjoyedahappierlife.B、Theywouldhavehaddifficultybeingpromoted.C、Theywouldhavebeenshiftedaround
AccordingtoAmericanlaw,ifsomeoneisaccusedofacrime,heisconsidered【B1】______untilthecourtprovesthepersonisguil
Livinginatimewhenanever-increasingnumberofnewsproviderspushaconstantstreamofheadlinesatuseveryday,peopleca
A、HethinkstheycangiveTomalift.B、Heisn’tsurewhethertherewillbespaceforTom.C、Hethinkstheweatherwillbefine
Largecompaniesneedawaytoreachthesavingsofthepublicatlarge.Thesameproblem,onasmallerscale,facespractically
随机试题
A.白细胞数5×106/L,淋巴细胞为主,蛋白0.3g/L,糖3.5mmol/LB.白细胞数50×106/L,淋巴细胞为主,蛋白1.0g/L,糖1.5mmol/LC.白细胞数2000×106/L,中性粒细胞为主,蛋白1.0g/L,糖3.5mmol/L
某水利工程,项目的合同工期为38周。经总监理工程师批准的施工总进度计划如图1所示(时间单位:周),各工作可以缩短的时间及增加的赶工费如表1所示。问题1.开工1周后,建设单位要求将总工期缩短2周,故请监理单位帮助拟定一个合理赶工方案以便与施工单位洽商
(2005年考试真题)无形资产成本在取得的当月开始摊销,处置无形资产的当月不再摊销。()
下列人物中,既是诗人也是画家的是()
行政机关在其法定职权范围内,依照法律、法规、规章的规定,可以委托下列哪一机关或者单位实施行政许可?()
东北某市一建筑工地在施工中,将埋藏在地下的装有有毒物质的罐体损坏,导致罐内有毒物质泄漏,附近居民发生大面积中毒事件。那么,有关部门应如何处理?
根据下表回答题。在2008年,日本的FDI流入量比德国()。(单位:十亿美元)
马克.吐温有一次在教堂听牧师演讲,最初他觉得牧师讲得很好,使人感动,准备捐款。过了十分钟,牧师还没有讲完,他就有些不耐烦了,于是决定只捐一些零钱。又过了十分钟,牧师还没有讲完,于是他决定一分钱也不捐。在心理学上,这种刺激过多和作用时间过久而引起心理极不耐烦
在面向对象方法中,______描述的是具有相似属性与操作的一组对象。
A、Thewomanwillgiveupthevehicle.B、Thewomanwillbuythevehicle.C、Thewomanasksforalowerprice.D、Thewomanwilltal
最新回复
(
0
)