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
82
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、Findanotherequipment.B、Connecthiscomputertotheoffice.C、Findthemanger’soffice.D、Dopreparationfortheminutes.B女
A、Paidmuchattentiontotheresultsofscientificdiscoveries.B、Seldomintroducedsafetylawsbeforedisastersoccurred.C、Har
A、Helosteverythingincludinghiscomputer.B、Hesufferedfromaseriouscaraccident.C、Hewentabroadtojoinhisfamily.D、H
A、Hewenttohisoffice.B、Heturnedonthecomputer.C、Hecheckedhismails.D、Helistenedtotheradio.B选项均为与He有关的完整句子且谓语动词均使
A、Problemsthemanhasencounteredwhenwritinghishistorypaper.B、Theman’sbrokencomputer.C、Thereasonwhystaringatthe
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
Internationalairlineshaverediscoveredthebusinesstravelers,themanorwomanwhoregularlyjetsfromcountrytocountryas
随机试题
实现经济发展方式转变的基本要求有哪些?
消化性溃疡最常见的并发症是
A.葶苈子B.杏仁C.白芥子D.黄药子E.苏子能止咳平喘,润肠通便,但有小毒的药物是()
A.处2万元以下的罚款B.处应召回药品货值金额3倍的罚款C.处1000元~5万元罚款D.处3万元以下的罚款药品经营企业、使用单位发现经营、使用的药品存在安全隐患却未立即停止销售或使用的()。
甲有一条驳壳船租予乙进行海上运输,租期3年。双方签订了书面合同,乙一次性向甲交付租金50万元。租赁的第二年,甲因资金紧张将该船卖予丙,双方签订了买卖合同,价格500万元。约定在船舶过户登记后、乙的租期届满前,丙分期付清全部款项。因甲无法现实交付,双方约定租
期货投资咨询机构的期货从业人员不得()。
团委组织“送知识下连队”宣传活动,分给你的宣传主题是饮食与健康。你会如何就此开展宣传活动?
A公司正在研究一项生产能力扩张计划的可行性,需要对资本成本进行估计。估计资本成本的有关资料如下:(1)公司现有长期负债:面值1000元,票面利率12%,每年付息的不可赎回债券;该债券还有5年到期,当前市价1000元;假设新发行长期债券时采用私募方式,不用
Tobeequaltootherthings,amanwhoexpresseshimselfeffectivelyissuretosucceedmorerapidlythanamanwhosecommandof
Christmasiscelebrated(11)theworld.December25isbelievedtobethebirthdayofJesusChrist.People(12)gifts.Yo
最新回复
(
0
)