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
39
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】______ .
【B5】
选项
答案
mobile
解析
转载请注明原文地址:https://kaotiyun.com/show/XqB7777K
0
大学英语六级
相关试题推荐
America’sBrainDrainCrisisLosingtheGlobalEdgeWilliamKurtzisaself-describedcomputergeek.Amoreaptdescriptionm
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
Maryisadiligentandmoralstudent.Shestudiesveryhardandis________toherteachers.
道路最左侧白色虚线区域是何含义?
诊断肠阿米巴病的依据是
2009年4月,乔某因为严重肠炎到某省人民医院进行手术,手术很顺利,伤口也愈合得很快。但出院后,却时常感觉到腹内疼痛。2010年7月,经另外一家医院诊治,其腹腔内尚留有手术用的纱布。乔某认为,从2009年4月至今,自己未在任何医院进行过手术。所以这块手术纱
表示钢材塑性指标的是()。
某省农业厅负责组织编制某项农业发展的专项规划草案,环境影响评价单位是某省环境科学研究院,审批机关是农业部,如需征求公众意见,则公众意见的征求人是()。
下列哪项不是风险不确定性的表现?( )
某企业(增值税一般纳税人)因管理不善丢失外购钢材一批(已抵扣进项税额),账面成本100万元。保险公司审核后同意赔付3万元,仓库管理员李某同意赔付7万元,则该企业在企业所得税前可以扣除的损失为()万元。
依据企业所得税的相关规定,下列资产中,可采用加速折旧方法的有()。
甲是中国公民,2005年在境内开办了A、B两个个人独资企业,2006年12月,A企业取得的收入总额为10万元,B企业取得的收入总额为20万元,A企业和B企业均采用核定征收办法,核定的应税所得率均为20%;同月,甲出版书籍取得稿酬收入5万元;取得2004年
最新回复
(
0
)