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【C1】______ computer in bu
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the【C1】______ computer in bu
admin
2017-02-13
73
问题
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the【C1】______ computer in business class. In the last 15 years, pilots have reported well over 100【C2】______ that could have been caused by electromagnetic interference. The source of this interference【C3】______unconfirmed, but increasingly, experts are pointing the blame at portable electronic device, such as portable computers, radio and cassette players and mobile telephones.
RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban(禁止) such devices from being used during "【C4】______" stages of flight, 【C5】______ take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, 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, most are【C6】______to enforce a total ban, given that many passengers want to work during flights. The difficulty is【C7】______ how electromagnetic fields might affect an aircraft’s computers. Experts know that portable device emit radiation which 【C8】______ those wavelengths which aircrafts use for navigation and communication. 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.
The fact that aircraft may be vulnerable (易受损的)to interference raises the risk that terrorists may use radio systems in order to damage navigation【C9】______. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too【C10】______.
A) definite I) portable
B) incidents J) enormous
C) effects K) predicting
D) remains L) liberal
E) critical M) affects
F) particularly N) equipment
G) reluctant O) loud
H) refreshing
【C10】
选项
答案
O
解析
loud意思是“大声的”。根据原文“令人担忧的是乘客没有听到飞机上要求关掉收音机的指示,因为他把音乐的声音开得太大。”可知答案为O。
转载请注明原文地址:https://kaotiyun.com/show/CJi7777K
0
大学英语四级
相关试题推荐
Peoplestudytheirfamilyhistoryfordifferentreasons.Forsome,genealogy(家谱学)isimportanttotheir【B1】______.Otherpeople
A、Hethinksit’sgoodforhealthtohavesomeicecream.B、Hecan’teatanysnacksbecauseofhistoothache.C、Heonlybelieves
Childrenwhosemindswandermighthavesharperbrains,researchsuggests.Astudyhasfoundthatpeoplewho【B1】______constantlyd
Thepopularassumptionthatwomen’spowersofintuitionexceedthoseofmenhasbeenoverturnedbyanewstudy.Psychologistswh
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threateningproblemsafteranoperationto【B1】______blockedbl
Memoryisourmostimportantpossession.Withoutmemory,youwouldn’tknowwhoyouare.Youcouldn’tthinkaboutthepastorpla
Itislogicaltosupposethatthingslikegoodlabourrelations,goodworkingconditions,goodwagesandbenefits,andjob【B1】__
越来越多的中国富人把高尔夫当作其财富和生活方式的标志。直到20世纪80年代,经济预测家才意识到高尔夫运动可以作为一种吸引外资的手段。1984年,中国在广东省建起了第一个高尔夫球场,当时的设计者是高尔夫球星阿诺德·帕尔默(ArnoldPalmer)先生。据
BackinthecarefreedaysoftheNoughtiesboom,Britain’syoungstersweresweptalongbythebuy-now-pay-latercultureembraced
HalloweenA)OnOctober31st,dozensofchildrendressedincostumesknockontheirneighbors’doorsandyell"TrickorTrea
随机试题
布莱尔政府实行的是“竞争性政府改革”。()
患儿,女,4岁。发育较差,偶有胸痛,无口唇发绀。可能原因为
合成的高分子膜材多数可降解或溶解、但是成膜脱膜性能较差
下列关于我国证券交易所的说法,错误的是()。
青少年偏差行为小组的第五次活动中,组员进行角色扮演。一组人扮演文明的角色,另一组人扮演不文明的角色,然后,双方互换角色,并表达各自的感受。小组活动结束前,社会工作者布置了家庭作业,让组员回去使用礼貌语言与家人和朋友交流。这些做法体现了小组工作中()
各级公安机关的法制部门是公安机关法制工作和内部执法监督工作的主管部门,其主要职能包括()。
求.
假定有以下通用过程:FunctionFun(nAsInteger)AsIntegerx=n*n:Fun=x-11EndFunction在窗体上画一个命令按钮,其名称为Command1,然后编写如下事件过程:
假定输入的字符串中只包含字母和*号。请编写函数fun,它的功能是:除了字符串前导的*号之外,将串中其它“*”号全部删除。在编写函数时,不得使用C语言提供的字符串函数。函数fun中给出的语句仅供参考。例如,字符串中的内容为:****A*BC*DEF
在考生文件夹下,打开文档WORD1.DOCX,按照要求完成下列操作并以该文件名(WORD1.DOCX)保存文档。【文档开始】为什么铁在月秋上不生锈?众所周知,铁有一个致命的缺点:容易生锈,空气中的氧气会使坚硬的铁变成一堆松散的
最新回复
(
0
)