首页
登录
职称英语
Few people expect luxury while flying, but these days, even the basics seem
Few people expect luxury while flying, but these days, even the basics seem
游客
2024-09-19
46
管理
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. [br] 【D6】
选项
答案
maintenance
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3765067.html
相关试题推荐
Whydopeopleleavehometotravelaccordingtothepassage?[br][originaltext
Whydopeopleleavehometotravelaccordingtothepassage?[br][originaltext
Howmanypeoplegotwoundedinthisincident?[originaltext]AtleasttwoLib
Inmostpeople’sideas,peoplelosetheabilitytolearnlanguagewell[br][or
Inmostpeople’sideas,peoplelosetheabilitytolearnlanguagewell[br][or
Highereducationisn’tforeveryone,andpeoplehaveavarietyofpathstoc
Highereducationisn’tforeveryone,andpeoplehaveavarietyofpathstoc
Highereducationisn’tforeveryone,andpeoplehaveavarietyofpathstoc
Highereducationisn’tforeveryone,andpeoplehaveavarietyofpathstoc
HowmanypeoplediedoneregionaloneaftercycloneIvan?[br][originaltext]
随机试题
Formostofus,workisthecentral,dominatingfactoflife.Wespendmore
Whenhefailshisfinalexamination,heissureofauniversityplace.A、IfB、In
Fertilizerusehasexploded,overloadingplantsworldwide,likelyalteringe
下列关于五脏与血液关系的叙述,错误的是( )。A.肾精化生血 B.脾主统血
()是指通过受教育者自身以外的力量,对其进行职业行为规范、职业义务和责任等
下列人员违反法律、行政法规或者中国证监会有关规定,可以对其实施证券市场禁入措施的
治疗下焦之下血的是A.茜草B.藕节C.地榆D.仙鹤草E.蒲黄
在片剂制备时加入片剂润滑剂的作用是A、促进片剂在胃中湿润 B、防止颗粒黏冲
防小动物管理:(____)场所需要装防鼠挡板。高压配电室$;$电缆层室、蓄电池室
A、有界函数 B、无界函数 C、单调函数 D、周期函数
最新回复
(
0
)