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
Few people expect luxury while flying, but these days, even the basics seem to be in bad shape. It’s not uncommon to find your t
Few people expect luxury while flying, but these days, even the basics seem to be in bad shape. It’s not uncommon to find your t
admin
2021-08-03
46
问题
Few people expect luxury while flying, but these days, even the basics seem to be in bad shape. It’s not uncommon to find your tray table broken, the in-flight entertainment system not working and your seat【D1】______ worn—all of which can make you think, how old is this plane anyway?
The reality for many U.S. air travelers is that most of their journeys take place on planes that have been in service for a【D2】______ or more.
The average age of the fleet of the seven large U.S. passenger airlines is about 14 years old, according to The Airline Monitor. It found American and Delta/Northwest had the oldest fleets, at about 16 years on average. As of the end of 2008, a small percentage of the【D3】______ Delta/Northwest’s planes dated back to the late 1960s. U.S. fleets are among the oldest in the world, said Richard Aboulafia, an【D4】______ analyst.
"I’m not really sure that people should read that much into that," Aboulafia said. "From a safety standpoint, a lot of the older planes were built tougher and with【D5】______【D6】______, there’s no reason why a plane can’t stay safe for 25 to 30 years."
It’s also important to remember that a plane may be 20 years old, but its engines and other major systems could have been recently【D7】______ or upgraded, said Aboulafia. There’s less pressure on the airlines to 【D8】______ the【D9】______, unless it’s a safety【D10】______ or a redesign that will save money.
【D6】
选项
答案
maintenance
解析
转载请注明原文地址:https://kaotiyun.com/show/ne3K777K
0
专业英语四级
相关试题推荐
Peopleproducewasteeverydaytheylive.Somewastecanbedegradedwhileotherscannot.Therefore,wastesortingisamust.
(1)Ifyou’relikemostpeople,you’rewaytoosmartforadvertising.Youfliprightpastnewspaperads,neverclickonadsonlin
(1)Ifyou’relikemostpeople,you’rewaytoosmartforadvertising.Youfliprightpastnewspaperads,neverclickonadsonlin
The_____talksbetweenChinaandtheUnitedStateswerethebaseofthelateragreement.
ThatsummerIdrovewestwithafriend,andwe_____alittlemoneydoingoddjobsandasmuchaspossiblevisitedhisrelatives
Don’texpecttoomuchfromme.I’m______thanyou.
OnlineEducationIntroductionOnlinecoursescanbringthebestqualityeducationtopeoplearoundtheworldforfree.Comp
OnlineEducationIntroductionOnlinecoursescanbringthebestqualityeducationtopeoplearoundtheworldforfree.Comp
随机试题
2017年进口额排前三的国家或地区进口额之和是:
A.乙酰胆碱B.肾上腺素C.去甲肾上腺素D.神经肽Y交感缩血管神经纤维末梢释放的递质为
沉淀反应的抗原是()
患者,男性,58岁。寒战、高热5天,体温39~40℃,咳嗽,咳少许黏液痰,曾用青霉素治疗3天,体温未下降,咳嗽加重,咳出大量脓臭痰。查体:肺部无阳性体征,胸片示可见偏心空洞,壁厚,内壁凹凸不平。据诊断,对患者应选用治疗方案为
输卵管妊娠破裂需要鉴别的是陈旧性宫外孕需要鉴别的是
隐匿性肾小球肾炎治疗主要原则
旗形的持续时间一般在3周以上。()
某家电企业2007年亏损40万元,2008年亏损18万元,2009年实现利润50万元,营业外支出中有非广告性的赞助费2万元,为协作单位贷款担保而支付的贷款本息25万元;工资总额106万元(计税工资月人均800元,在册职工100人)已按工资总额和规定比例计提
甲为外交部官员,在履行公务出访其他国家时接受对方赠送的礼品,价值超过50万元,甲将礼品占为己有。甲的行为构成()。
H国赤道雨林的面积每年以惊人的比例减少,引起了全球的关注。但是,卫星照片的数据显示,去年H国雨林面积的缩小比例明显低于往年。去年,H国政府支出数百万美元用以制止滥砍滥伐和防止森林火灾。H国政府宣称,上述卫星照片的数据说明,本国政府保护赤道雨林的努力取得了显
最新回复
(
0
)