首页
登录
职称英语
The biggest safety threat facing airlines today may not be a terrorist with
The biggest safety threat facing airlines today may not be a terrorist with
游客
2023-08-25
16
管理
问题
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with a portable computer in business class. In the last 15 years, pilots have reported well over 100【B1】______that could have been caused by electromagnetic interference. The source of this interference remains【B2】______, but increasingly, experts are pointing the blame at portable electronic【B3】______, such as portable computers, radio and cassette players and mobile telephones. RTCA, an organisation which advises the aviation industry, has recommended that all airlines ban such devices from being used during "【B4】______" stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to【B5】______airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing, most【B6】______enforce a total ban, given that many passengers want to work during flights.
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. Experts know that【B7】______devices emit radiation which affects those wavelengths which aircraft use for navigation and communication. But because they haven’t been able to reproduce these effects in a laboratory, they【B8】______knowing whether the interference might be dangerous or not.
The fact that aircraft may【B9】______interference raises the risk that terrorists may use radio systems in order to damage【B10】______equipment. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud. [br] 【B2】
选项
答案
unconfirmed
解析
空前的系动词remains表明,本空应填一形容词。unconfirmed意为“未确定的”。
转载请注明原文地址:https://tihaiku.com/zcyy/2956334.html
相关试题推荐
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
TheUnitedNationsDevelopmentProgrammesaystheworldisfacingawatercr
TheUnitedNationsDevelopmentProgrammesaystheworldisfacingawatercr
TheUnitedNationsDevelopmentProgrammesaystheworldisfacingawatercr
随机试题
RobSapp,27,fromKent,lovedgameswhenhewasattendingschool.Infact,
Nooneshouldbeforcedtowearauniform【C1】______anycircumstance.Uniform
[originaltext]W:Ihearit’sgoingtosnowthisafternoon.M:Goingtosnow?Th
在图形显示装置(CRT)信息指示部分中的说明中,()亮,表示有设备处于被屏蔽状
A.大 B.小 C.相等 D.无法判断
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
在招聘广告中不出现招聘企业名称的广告称为()。A.隐瞒广告 B.秘密广告
某期货公司接受客户李某委托为其进行白糖期货交易,李某根据白糖期货近期的表现,总结
关于中途站布设的原则,下列表述正确的有()。A:方便乘客乘车、换乘 B:减少十
人才管理的主要内容包括()。A.构建灵活多样的人才获取途径,实现动态人才匹配
最新回复
(
0
)