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
2010-03-26
66
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 【B2】______ that could have been caused by electromagnetic interference. The source of this interference remains 【B3】______ , but increasingly, experts are pointing the 【B4】______ at portable electronic devices 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 "critical" 【B7】______ of flight, particularly take-off and landing. Some experts have gone further, calling for a 【B8】______ ban during all flights. Currently, rules on using these devices are left up to individual airlines. And 【B9】______ , given that many passengers want to work during flights.
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. 【B10】______ . But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not. 【B11】______ .
【B8】
选项
答案
total
解析
转载请注明原文地址:https://kaotiyun.com/show/Mzk7777K
0
大学英语四级
相关试题推荐
A、400dollars.B、450dollars.C、350dollars.D、500dollars.BW:Iwanttoworkinthisfirm.Howaboutthesalary?M:400dollar
A、Yes,she’salwaysbeengoodwithmoney.B、No,shehasneverbeengoodwithmoney.C、Sheusedtobeabadsaver,likeJack.D、S
A、He’llprobablyneverfinishwritingthatpaper.B、He’llfinishitthedayaftertomorrow.C、Heworksonlyduringtheday.D、He
A、Theexamformatisnotanyeasier.B、Theexamformathasn’tbeenintroducedyet.C、Theexamformatisstillunderway.D、Theex
A、Toliveinadifferentuniversity.B、Toliveathomeanddrivetoclasses.C、Totakeaparticularcourseinadifferentuniver
Thispassagemainlydiscusseshowepidemicsspreadandhowtopreventinadvance.Thesymptomsoffluusuallyincludeheadache,
A、Hewillbetrayevenhisbestfriends.B、Heisabletomakeupgoodexcuses.C、Hewillliewheneverhewants.D、Hetriestoach
A、Thefemalelead.B、Theclown.C、Thepaintedface.D、Theoldlead.DWhichisNOTincludedinthefourmaintypesofcharacter?
A、Theirlifeisworsethanbefore.B、Theirhusbandsenjoybetterrightsthanthem.C、Therearemorechancesforthemthaneverb
Peoplewhoarehitbylightningandsurviveoftenhavelong-termeffects.Thesemayincludememoryloss,sleepdisorders,muscle
随机试题
对于混凝土4级围堰,其洪水重现期是()。
下列溶剂中,()不可以用作溶剂吸收脱除炔烃。
乙型肝炎病毒相关性,肾炎的主要诊断依据是
关于过敏反应及其处置的叙述,错误的是
假定某一筛选计划检查了1000人,又假定某病的流行率为4%,而这种筛选试验的敏感度为90%,特异度为80%,据此资料,被筛选出来的阳性者中,某病人数为
不考虑间歇时间与提前插入时间,加快的成倍节拍流水施工工期等于( )。
某企业与机械进出口公司签订购买价值为2000万元的测试设备合同,为购买此设备与进出口银行签订2000万元的借款合同。后因故购销合同作废,改签融资租赁合同,租赁费1000万元。根据上述情况,该企业一共应纳印花税( )。
根据下面材料回答问题。2012年建材工业增加值同比增长11.5%,增速回落8个百分点,占全国工业增加值的6.6%。全年水泥产量21.8亿吨、同比增长7.4%,陶瓷砖92亿平方米、同比增长9.4%,天然花岗岩石材4.1亿平方米,同比增长27.2%。平板玻璃
完成句子。例如:那座桥800年的历史有了那座桥有800年的历史了。伤心的时候人们最需要在鼓励
OnenighttheFrenchmanwantoutforawalk______.WhydidtheItaliantakeoffhiswatchandgiveittotheFrenchman?
最新回复
(
0
)