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.
【B9】
选项
答案
expert
解析
空格前为nuclear medicine,且本句中主语为Dr.Giuseppe Esposito,所以空格处应填入一个表示某类人的名词。结合录音可知,答案为expert,意为“专家”。
转载请注明原文地址:https://jikaoti.com/ti/XU3FFFFM
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
A、Hewillgotoseeadoctorabouthiscoughing.B、Hehashadaheartattackbecauseofsmoking.C、Heiscoughingbecauseoftoo
A、Theyoungmanhadsomeunusualproblems.B、Theproblemiscommonforyoungpeople.C、It’snotcommonforyoungmentoleaveho
A、Hedoesn’talwayslisten.B、Hehasanearinfection.C、He’snevermissedameeting.D、Hehastoattendanothermeeting.A对话中男士
HowYourLanguageAffectsYourWealthandHealthA.)Doesthelanguagewespeakdeterminehowhealthyandrichwewillbe?Newre
JusticeisoneofthemostpopularcoursesinHarvard’shistory.Nearlyonethousandstudents【B1】______Harvard’shistoricSande
A、Itisquiteexpensiveandrequirestheteenstosavetheirallowance.B、Itcanbepurchasedoneatatimesoitcanbeafforde
A、Checkthegymroomforhergymbag.B、Checkwiththeclassmatesintheclassroom.C、Checktoseeifsheleftthebagintheha
A、Tolookforajob.B、Togotocollege.C、Topostaletter.D、Toborrowmoney.A行为活动题。男士原本打算高中毕业后就去上大学,但他话中的转折句butIhaveto…表明他
随机试题
Weallknowthatarrowsareoftenusedas______toshowdirections.
可在新生儿期进行筛查的疾病是()
葡萄胎排出后HCG,陕复正常的时间最迟不超过()
已知(NH3)=1.77×10-5,用广泛pH试纸测定0.1mol/dm3氨水溶液的pH值约为()。
风险识别的目的在于()。
成本分析、成本考核、成本核算市建设工程项目施工成本管理的重要环节,此三项工作而言,其正确的工作流程是()。
根据海关规定,进出口货物报关单的“贸易方式”栏填写未列名的贸易方式时,应填为“其他贸易”。在下列几种贸易方式中不可填写为“其他贸易”的有()。
基金募集失败,()应承担法定责任。
一般我们看到会眨眼的星星大部分是()。
Ioncefoundoutthatdoingafavorforsomeonecouldgetyouintotrouble.Iwasintheeighthgradeat【C1】______time,andwew
最新回复
(
0
)