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
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in bus
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in bus
admin
2013-06-02
46
问题
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years,【B1】______ have reported well over 100 incidents that could have been【B2】______ by electromagnetic (电磁的) interference. The source of this interference remains unconfirmed, but【B3】______ , experts are pointing the blame at portable electronic 【B4】______ such as portable computers, radio and cassette players and【B5】______ telephones. RTCA, an organization which advises the aviation industry, has【B6】______ that all airlines ban such devices from being used during " 【B7】______ " stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights.【B8】______ , rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing,【B9】______ .
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. Experts know that portable devices emit radiation which effects those wavelengths (波长) which aircraft use for navigation and communication. But, because【B10】______ .
The fact that aircraft may be vulnerable to interference raises the risk that terrorists may use radio systems in order to damage navigation equipment.【B11】______ .
【B6】
选项
答案
recommended
解析
转载请注明原文地址:https://kaotiyun.com/show/HqB7777K
0
大学英语六级
相关试题推荐
A、Helosteverythingincludinghiscomputer.B、Hesufferedfromaseriouscaraccident.C、Hewentabroadtojoinhisfamily.D、H
A、Hedoesn’tunderstandhisstaff.B、Hiscomputerdoesn’tworkproperly.C、Hedoesn’tknowhowtoapplycomputertheory.D、Heis
A、Itisaseriousthreattoitscompetitors.B、Itisnotpowerfulenoughtoaffecttheworldmarket.C、Thecars’qualityisgood
A、Thewomanwantstobuyacomputer.B、Thereisnoneedtoreserveacomputerinadvance.C、Thecomputerscanbebookedupto48
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
随机试题
18岁男性,右小腿软组织挫伤4小时,急诊施行清创术后,给予静脉滴注头孢唑啉。输液约5分钟,患者出现胸闷、气急、烦躁不安和头晕,面色苍白。检查患者脉速而弱,在测血压时,患者心搏骤停。患者可能是发生了
A.5°角左右B.15°角左右C.30°角左右D.45°角左右E.60°角左右斜刺的角度为()
血钾较高者禁用的肌松药是()。
单块玻璃大于1.5m2时应使用()。
整体产品概念包括()。
按照车船使用税暂行条例的规定,对各种载货汽车,以()为计税依据。
《保护世界文化和自然遗产公约》的公约缔约国均承认,保证该国领土内的文化和自然遗产的确定、保护、保存、展出和遗传后代,主要是()的责任。
(66)is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed,length bit string.(67)i
下列关于漏洞扫描技术和工具的描述中,错误的是
Humansliketoregardthemselvesasexceptional.Manyphilosophersbelievehumansaretheonly【C1】______whichunderstandsthato
最新回复
(
0
)