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
26
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
Forthispart,youareallowed30minutestowriteashortessayonthefollowingquestions.Youshouldwriteatleast120words
A、Thewomantendstoneglectherownstudy.B、Thewoman’swrittenasuccessfulnovelbefore.C、Thewoman’salwaysabsorbedinre
Whatdostudentsthinkofe-textbooks?AdministratorsatNorthwestMissouriStateUniversitywantedto【B1】______.Earlierthisy
A、Itisofhighquality.B、ItisjustOK.C、Itisoriginal.D、Itispopular.B娱乐休闲类,观点态度题。男士认为这张唱片很不错,女士说歌词还行,但旋律太没有新意了。由此可以推断,女
A、Amanager.B、Anofficial.C、Adriver.D、Apostalclerk.C女士说:“请在曼哈顿邮局让我下车。”男士回答说:“哦,有1个小时的车程呢。何不……?”可见女士是在车上和司机说话,C正确。关键词drop和
A、It’sdelayed.B、It’sovercrowded.C、It’snearlyempty.D、It’scancelled.A根据选项,本题应该是问某事物的状况。关键在于听懂behindschedule“落后于预定计划”,在此对
A、Hehasapainintheneck.B、Helistenstomusicwhilesleeping.C、Hecareslittleaboutotherpeople.D、Heisfedupwiththe
Backintheday,agoodreportcardearnedyouaparentalpatontheback,butnowitcouldbemoneyinyourpocket.Experiments
A、Theycandoeverythingthatpeoplecan’tdo.B、Theywillbeimprovedintwoyears.C、Theycanworkindangeroussituations.D、
A、Goldwasdiscoveredinthecity.B、Thecity’spopulationgrewtotwelvethousand.C、TheGoldenGateBridgewasconstructed.D、
随机试题
下列选项中,符合慢性粒细胞白血病急粒变特点的有
某水闸建筑在砂质壤土地基上,水闸每孔净宽8m,共3孔,采用平板闸门,闸门采用一台门式启闭机启闭,闸墩厚度为2m,因闸室的总宽度较小,故不分缝。闸底板的总宽度为30m,净宽为24m,底板顺水流方向长度为20m。施工中发现由于平板闸门主轨、侧轨安装出现严重偏差
水利工程施工监理专业乙级资质的监理单位,可以承担监理业务有()。
根据课程标准系统表述学科内容的教学用书是()。
根据《人民警察奖励条令》,人民警察奖励等级由低到高依次是()、二等功、一等功、授予荣誉称号。
下列选项中,属于生理性动机的有()
设(X1,X2,…,Xn)(n≥2)为标准正态总体X的简单随机样本,则().
WhatdoesTomthreatentodoifhecan’tgetwhathewants?
Theperiod______danceclassesincreasesgraduallyfromtwoorthreehoursadaytofiveorsix.
Whichofthefollowingisthereasonforpeople’sdissatisfactionwithtraditionalhanks?
最新回复
(
0
)