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
2023-08-31
10
管理
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】______ . [br] 【B11】
选项
答案
As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2974591.html
相关试题推荐
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
随机试题
说明:根据下面内容写一封投诉信。写信日期:2012年3月20日。投诉人:陈明投诉对象:百货公司投诉商品:Smith啤酒投诉原因:过了保质期,包
Menseemtohavealwaystakeaninterestinmeteorites(陨星),but【C1】______th
Run,Rabbits,RunFromGreenwichtot
Thenewlyunemployedhavedifferentattitudestowardsnewjobs.Complaining
某地第七建设工程有限公司以总承包身份承建当地和平饭店建设项目,并将建筑起重机械的
在长跑运动中出现“第二次呼吸”,表明人体肌能水平已经达到()。A.进入工作状态
下列各项,属经间期出血常见证候的是A.肝郁证 B.肾气虚证 C.肾阳虚证
有一成片荒地需要估价。获知该成片荒地的面积为2km2,适宜进行“五通一平”的开发
不属于识别HLAⅠ类分子的NK细胞受体是A.KIR3DL B.KIR2DL
在招标的资格预审阶段,在“资格预审”中可以()。A.要求投标人必须组成联合体投
最新回复
(
0
)