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
94
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】______ .
【B8】
选项
答案
Currently
解析
转载请注明原文地址:https://kaotiyun.com/show/UqB7777K
0
大学英语六级
相关试题推荐
America’sBrainDrainCrisisLosingtheGlobalEdgeWilliamKurtzisaself-describedcomputergeek.Amoreaptdescriptionm
A、Paidmuchattentiontotheresultsofscientificdiscoveries.B、Seldomintroducedsafetylawsbeforedisastersoccurred.C、Har
A、Popmusic’sbiggesttestisthetestoftime.B、Popmusic’stunesdonothaveveryclearstyles.C、Popmusicmaynotexpressa
A、Itisaseriousthreattoitscompetitors.B、Itisnotpowerfulenoughtoaffecttheworldmarket.C、Thecars’qualityisgood
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
随机试题
男性,53岁。近1个月来多于夜间发生胸骨后压迫性疼痛,每次持续20分钟左右,今日再发胸痛2分钟,ECG如图12。该患者治疗方案最好为
不属于地高辛适应证的是
A、蛤蚧定喘丸B、苏子降气丸C、二母宁嗽丸D、橘红丸E、强力枇杷露某男,28岁,因痰热伤肺导致咳嗽日久不愈,且咳吐少量黄痰,治当清热化痰,敛肺止咳。宜选用的成药是
如果区域内成员国的所有经济部门均纳入一体化的范畴之内,这种一体化形式称为()。
出口食用动物饲料登记备案的申请,本着自愿原则,出口食用饲料可以向( )申请登记备案。
企业计划用于出租但尚未出租的土地使用权,属于企业的投资性房地产。()
王老师在讲“果实”这个概念时,列举了苹果、花生等可食果实的例子,也列举了棉籽、橡树籽等不可食果实的例子。这种教学方法称为()。(2012年上半年真题)
下列选项中,属于专用的图形图像加工处理软件的是()。
在动作技能形成的过程中,个体在了解一些基本的操作机制后,试图尝试做出某种行为的阶段是()。
Ourcountryhasbecomeasocietyofemployees.AhundredyearsorsoagoonlyoneoutofeveryfiveAmericansatworkwasemploy
最新回复
(
0
)