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
2024-02-01
6
管理
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 [br] 【C2】
选项
答案
B
解析
incident意思是“事故”。根据原文“最近15年来,飞行员报告称,超过100起飞行事故都是由电磁干扰引起的。”可知答案为B。
转载请注明原文地址:https://tihaiku.com/zcyy/3411724.html
相关试题推荐
[originaltext]M:I’mundertheimpressionthatUnitedAirlinesflightsarealwa
[originaltext]M:I’mundertheimpressionthatUnitedAirlinesflightsarealwa
[originaltext]M:I’mundertheimpressionthatUnitedAirlinesflightsarealwa
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threatening
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threatening
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threatening
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threatening
Anewstudyreportsthecommondrugaspiringreatlyreduceslife-threatening
Facingapotentialclimatedisaster,theworld’sgovernmentsagreedtolimit
Facingapotentialclimatedisaster,theworld’sgovernmentsagreedtolimit
随机试题
患者,女性,69岁。右眼渐进性无痛性视力下降3年。眼部检查:视力:右眼0.2,左
深Ⅱ度烧伤局部损伤的深度达A:表皮层,生发层健在 B:表皮层,甚至真皮乳头层
截至2015年底,中国创业投资各类机构数已达1775家,同比增长14.4%。其中
合成脂酸所需的NADPH来自下列酶催化的反应 A.6-磷酸葡萄糖脱氢酶B.
某市突降特大暴雨导致市中心广场地下商场漫水,导致正在购物的人群蜂拥至南入口,在上
A.温肺止咳 B.利水 C.解痉 D.安胎 E.助阳化气紫苏除发表散寒外
职工一方与用人单位通过平等协商订立集体合同时,( )可以担任职工一方集体协商代
某18层办公楼,建筑面积32OOOm2,总高度71m,钢筋混凝土枢架-剪力墙结
脑梗死临床表现中,不应有的症状或体征是A.意识不清 B.肢体瘫痪 C.头痛
最新回复
(
0
)