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
2023-09-02
41
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 【B2】______. The source of this interference remains 【B3】______, but increasingly, experts are pointing the blame at portable electronic 【B4】______such as portable computers, radio and cassette players and mobile telephones. RTCA, an organization which advises the aviation industry, has 【B5】______that all airlines ban such devices from being used during "【B6】______" 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 【B7】______airlines. And although some airlines 【B8】______ 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 affects those wavelengths 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. As worrying, though, 【B11】______ [br] 【B9】
选项
答案
most are reluctant to enforce a total ban,given that many passengers want to work during flights
解析
most don’t want to ban totally,thinking that many people want to work during flights
转载请注明原文地址:https://tihaiku.com/zcyy/2978688.html
相关试题推荐
CampusSafety1.校园安全十分重要2.因此,学校应当…3.我们自己应当…CampusSafe
[originaltext]Oneofthebiggestchallengesfacingemployersandeducators
[originaltext]Oneofthebiggestchallengesfacingemployersandeducators
Manywriterscomplainthattheirbiggestdifficultyisfindingasubject.Som
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwith
Manyofthemostdamagingandlifethreateningtypesofweathertorrentialr
Theairlines______.(对学生购买机票给予半价优惠).Incidentally,I’vealreadyboughtmyticke
随机试题
WhatadifferenceKathleenmadeinmycollegelife!Shewasconfidentwhere
(1)Youknowtilingsarebadwhenthenationloses11,000jobsinNovemberan
常见的酶活性中心的必需基团有()。A.半胱氨酸和胱氨酸的巯基 B.组氨酸的咪
A.F1=F2=F3 B.F1=F2≠F3 C.F1≠F2=F3 D.F1
小学生容易把“b”写成“d”,这说明小学生的()还不成熟。A.感知能力 B.注
诊断急性心包炎最具特征性的临床表现是()A.发热伴胸痛 B.心电图有ST-
对可转让土地使用权抵押物估价主要考虑的因素包括()。A.土地用途 B.市场价格
发行人提交首次公开发行股票申请文件后,需要中止审查的情形有( )。[2016年
甲高级中学建设为政府投资项目,其中的教学楼工程由乙设计院设计,由丙建筑公司进行施
生物利用度的参数包括A.C.mA.x B.M C.F D.t1/2 E.
最新回复
(
0
)