资料：American Airlines CEO takes blame for maintenance errors, disrupted flightsFriday, April 11,2008By TERRY MAXON and DAVE MICHAELS/The Dallas Morning NewsAmerican Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.The ultimate problem that prompted the grounding of the American Airlines fleet is that ______.A.it has not done any inspections beforeB.its airplanes are far too old to fly any moreC.it has not met the FAA maintenance standardD.the fatality rate has doubled in the last 15 years
资料：American Airlines CEO takes blame for maintenance errors, disrupted flights
Friday, April 11,2008
By TERRY MAXON and DAVE MICHAELS/The Dallas Morning News
American Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.
MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.
“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”
American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.
The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.
On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.
The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.
“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”
Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.
The ultimate problem that prompted the grounding of the American Airlines fleet is that ______.
Friday, April 11,2008
By TERRY MAXON and DAVE MICHAELS/The Dallas Morning News
American Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.
MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.
“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”
American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.
The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.
On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.
The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.
“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”
Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.
The ultimate problem that prompted the grounding of the American Airlines fleet is that ______.
A.it has not done any inspections before
B.its airplanes are far too old to fly any more
C.it has not met the FAA maintenance standard
D.the fatality rate has doubled in the last 15 years
B.its airplanes are far too old to fly any more
C.it has not met the FAA maintenance standard
D.the fatality rate has doubled in the last 15 years
参考解析
解析：本题考查的是细节理解。
【关键词】The ultimate problem; prompted the grounding of the American Airlines fleet
【主题句】
倒数第四段On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections. 周二，美国停止其老龄化MD-80舰队（该舰队平均飞行年龄超过18岁，其中一些超过25年），来重新检查喷气式飞机右轮舱内的线束。而仅在两周前，它刚刚执行了相同的检查。
【解析】题目意为“导致美国航空机队停飞的最终问题是_______。”选项A意为“它以前没有做过任何检查”；选项B意为“它的飞机太老，不能再飞行了”；选项C意为“它没有达到FAA维护标准”；选项D意为“死亡率在过去15年翻了一番”。根据主题句，飞机两周前刚刚进行了检查，选项A错误；选项C、D均非停飞最终原因，因此选项B正确。
【关键词】The ultimate problem; prompted the grounding of the American Airlines fleet
【主题句】
倒数第四段On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections. 周二，美国停止其老龄化MD-80舰队（该舰队平均飞行年龄超过18岁，其中一些超过25年），来重新检查喷气式飞机右轮舱内的线束。而仅在两周前，它刚刚执行了相同的检查。
【解析】题目意为“导致美国航空机队停飞的最终问题是_______。”选项A意为“它以前没有做过任何检查”；选项B意为“它的飞机太老，不能再飞行了”；选项C意为“它没有达到FAA维护标准”；选项D意为“死亡率在过去15年翻了一番”。根据主题句，飞机两周前刚刚进行了检查，选项A错误；选项C、D均非停飞最终原因，因此选项B正确。
相关考题：
CA volcanic eruption in Iceland has sent ash across northern Europe. Airlines have stopped or changed the flights across the Atlantic Ocean, leaving hundreds of passengers stuck in airports.Grirmsvom is one of the largest and most active volcanoes in Europe. What makes Grimsvom different is that it lies under a huge glacier（冰川） of ice up to 12 maters thick. The hot volcano heats up the ice above it, which then forms a layer（层）of water between the glacier and the volcano This layer of water puts pressure on the volcano, keeping it stable, As the water flows out from under the glacier, the pressure lifts. The lava（岩浆） from the volcano then comes up to the surface. This is exactly what happened today.Now, airlines have to make changes to their flights so as not to fly through the clouds of volcanic ash. According to KLM. one of Europe’s biggest airlines, airplanes cannot go under the cloud or over it. Going through the cloud can result in ash getting stuck in the airplane’s engines, causing damage to the plane.The eruption has also caused problems for animals in Iceland. The volcano left ash and sharp. Glass-like rocks all over the countryside. Farmers are keeping their animals inside to stop them from eating ash- covered grass to the sharp object.64. What makes Grimsvom different from other volcanoes?A. It is below ice.B. It lies under the seaC. It is the largest volcanoD. It is lava affects the airlines
We work closely()every large airline like Air China, Air France and American Airlines. A、inB、toC、with
（ ）refers to the process of testing and then eliminating errors.A. Debugging B. Programming C. Analysis D. Maintenance
During this period American car manufacturers set about improving their products and work efficiency.As a result,the yearly income of the average family increased from 1950 to 1975 faster than the price of cars.For this reason（ ）a new car takes a smaller part of a family s total earmnings today.A.bringingB.obtainC.boughtD.purchasing
（75）refers to the process of testing and then eliminating errors.A.DebuggingB.ProgrammingC. AnalysisD.Maintenance
Everyone knows airline pricing is based on supply and demand. Fares are mores expensive during peak travel seasons like summer and to prime destinations like European capitals. So if a flight to Rome costs more than a flight to Milan you d think that demand for Rome must be higher or supply lowerWhat’s puzzling is that you can pay a high price to a given destination but a dramatically lower price for the exact same flight if you agree to go on to another destination.Take Alitalia to Rome for instance for travel in August A round-trip economy flight directly to Rome leaving JFK at 10:05 p.m on Alitalia 611 on August 5 costs $1,655 when booked on April 30 Compare that to $903 for a round-trip economy ticket to Milan(stopping in Rome)leaving JFK on the exact same Alitalia 611 flight at 10:05 p.m on August 5. So why is Alitalia willing to fly you to Rome for $752 less than it would otherwise plus give you an extra one-and-a-half-hour flight to Milan?Airlines have increased their profitability in recent years by segmenting the market for air travel and charging customers different prices for the same product. In this case the market is segmented based on demand for direct flights. Airlines know most people prefer the shortest route to their destination so they make customers pay up for the privilege of flying direct(They also make it a little more inconvenient if you don’t pay up for a direct flight in order to encourage you to fly direct)When process become so obviously illogical it may be time to why air tickets can’t be transferred or resold just like any other normal product If the airlines are entitled to exploit the free market shouldn’t customers be allowed to do the same thing? Why may prices for direct flights be higher according to the passage?A. Because all people prefer the shortest route to their destinationB. Because airlines take advantage of people’s preference for direct flightsC. Because connecting flights may cause inconvenienceD. Because airlines charge customers different prices for the same product
Which of the following is NOT a condition of the sale?A.Flights must begin after May 21stB.Flights must fall between May 1st and October 1stC.Flights must end by October 1stD.Flights must be paid for by May 1st
Adion Airlines cannot ____that all flights depart on time.A. guaranteeing B. guarantee C. guaranteed D. guarantees
It is true that CEO pay has gone up-top ones may make 300 times the pay of typical workers on average,and since the mid-1970s CEO pay for large publicly traded American corporations has,by varying estimates,gone up by about 500%The typical CEO of a top American corporation now makes about S18.9 million a year.The best model for understanding the growth of CEO pay is that of limited CEO talent in a world where business opportunities for the top firms are growing rapidly.The efforts of America's highest-earning 1%have been one of the more dynamic elements of the global economy.It's not popular to say,but one reason their pay has gone up so much is that CEOs really have upped their game relative to many other workers in the U.S.economy.Today's CEO,at least for major American firms,must have many mere skills than simply being able to“run the company"CEOs must have a good sense of financial markets and maybe even how the company should trade in them.They also need better public relations skills than their predecessors,as the costs of even a minor slipup can be significant.Then there's the fact that large American companies are much more globalized than ever before,with supply chains spread across a larger number of countries.To lead in that system requires knowledge that is farly mind-boggling plus,virtually all major American companies are beyond this major CEOs still have to do all the day-to-day work they have always done.The common idea that high CEO pay is mainly about ripping people off doesn't explain history very well.By most measures,corporate governmance has become a lot tighter and more rigorous since the 1970s.Yet it is principally during this period of stronger govemnance that CEO pay has been high and rising.That suggests it is in the broader corporate interest to recruit top candidates for increasingly tough jobs.”Furthermore,the highest CEO salaries are paid to outside candidates,not to the cozy insider picks,another sign that high CEO pay is not some kind of depredation at the expense of the rest of the company.And the stock market reacts positively when companies tie CEO pay to,say,stock prices,a sign that those practices build up corporate value not just for the CEO.The most suitable title for this text would be______A.CEOs Are Not OverpaidB.CEO Pay:Past and PresentC.CEOs'challenges of TodayD.CEO Traits:Not Easy to Define
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资料：American Airlines CEO takes blame for maintenance errors, disrupted flightsFriday, April 11,2008By TERRY MAXON and DAVE MICHAELS/The Dallas Morning NewsAmerican Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.What situation is being reported in the passage?A.American Airlines is trying to meet the FAA regulations.B.American Airlines is canceling 570 flights today.C.American Airlines is blaming its CEO Gerard Arpey.D.American Airlines is making internal inspections.
资料：American Airlines CEO takes blame for maintenance errors, disrupted flightsFriday, April 11,2008By TERRY MAXON and DAVE MICHAELS/The Dallas Morning NewsAmerican Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.According to the passage, American Airlines ______.A.is going to have a new chairman and CEOB.only operates from Dalls/Fort Worth International AirportC.is an airline that has 3000 MD-80 airplanesD.is a company that is headquartered in Fort Worth, Dallas
资料：American Airlines CEO takes blame for maintenance errors, disrupted flightsFriday, April 11,2008By TERRY MAXON and DAVE MICHAELS/The Dallas Morning NewsAmerican Airlines chairman and chief executive officer Gerard Arpey said Thursday that he is taking “personal responsibility” for the bad maintenance that has forced the carrier to cancel some 3,000 flights this week for aircraft inspections.MD-80s sat on the sidelines at Dallas/Fort Worth International Airport on Thursday, when American Airlines canceled more than 930 flights as inspections continued. The Fort Worth-based carrier has canceled 570 flights scheduled today.“I run the company.” Mr.Arpey told reporters at an afternoon news conference.” so if there’s any blame to be had, it is my fault, and I take full responsibility for this.”American canceled more than 930 flights Thursday as its mechanics, quality assurance inspectors and engineers worked to ensure that the carrier’s fleet of 300 MD-80 jets would meet Federal Aviation Administration（FAA） regulations.The Fort Worth-based carrier canceled 570 flights for today as well, and expects the disruptions to continue into the weekend, although an airline spokesman said Saturday’s cancellations should be fewer than today’s.On Tuesday, American grounded its fleet of aging MD-80s,which have an average age of more than 18 years and include some past their 25th birthday, to redo checks of the wiring harnesses in the right wheel well of the jets-only two weeks after it had performed the same inspections.The FAA has said in recent days that its enforcement hasn’t changed or become stricter. But Senator Kay Bailey Hutchison said airlines have told her they’ve noticed difference.“The standard is now being very, very rigidly enforced and leeway is being taken away.”Ms,Hutchison said.“I can’t say if it’s food or bad. But I know that it’s changed.”Today, the U.S. has five to eight aviation fatalities per 100 million people who fly each year; during the mid-1990s,it was about 45 deaths per 100 million people flown.The American Airlines has ______.A.570 airplanesB.930 different planesC.300 MD-80sD.3000 flights
资料：Everyone knows airline pricing is based on supply and demand. Fares are more expensive during peak travel seasons like summer and to prime destinations like European capitals. So if a flight to Rome costs more than a flight to Milan, you'd think that demand for Rome must be higher or supply lower.What's puzzling is that you can pay a high price to a given destination but a dramatically lower price for the exact same flight if you agree to go on to another destination.Take Alitalia to Rome, for instance, for travel in August. A round-trip, economy flight directly to Rome leaving JFK at 10:05 p.m. on Alitalia 611 on August 5 costs $1,655 when booked on April 30. Compare that to $903 for a round-trip, economy ticket to Milan （stopping in Rome） leaving JFK on the exact same Alitalia 611 flight at 10:05 p.m. on August 5. So why is Alitalia willing to fly to Rome for $752 less than it would otherwise, plus give you an extra one-and-a-half-hour flight to Milan?Airlines have increased their profitability in recent years by segmenting the market for air travel and charging customers different prices for the same product. In this case, the market is segmented based on demand for direct flights. Airlines know most people prefer the shortest route to their destination, so they make customers pay up for the privilege of flying direct. （They also make it a little more inconvenient if you don't pay up for a direct flight, in order to encourage you to fly direct.）When prices become so obviously illogical, it may be time to revisit why air tickets can't be transferred or resold just like any other normal product. If the airlines are entitled to exploit the free market, shouldn't customers be allowed to do the same thing?Why may prices for direct flights be higher according to the passage?A.Because all people prefer the shortest route to their destination.B.Because airlines take advantage of people’s preference for direct flights.C.Because connecting flights may cause some inconvenience.D.Because airlines charge customers different prices for the same product.
OAG的全称是（ ）。 A．Official Airlines Guide B．Official Airways Guide C．Online Airlines Guide D．Online Airways Guide
OAG的全称是（）。A.OffiCiAl Airlines GuiDeB.OffiCiAl AirwA.ys GuiDeC.Online Airlines GuiDeD.Online AirwA.ys GuiDe
OAG的全称是（）。A.OffiCiAl Airlines GuiDE.B.OffiCiAl AirwA.ys GuiDE.C.Online Airlines GuiDE.D.Online AirwA.ys GuiDe
单选题If n flights land at a certain airport in h hours, how many flights would land at that airport in i hours?AhinBi/nChn/iDin/hEhi/n
单选题What does SAL stand for in this passage?AShanghai Airport.BShanghai Airlines.CShenzhen Airport.DSouth Airlines.
单选题Passage1When it comes to airline travel, perhaps nothing has revolutionized the passenger experience more than airline apps. Indeed, they' re becoming so ubiquitous that more than 50 percent of U.S travelers have at least one airline app installed on their smart device, according to travel industry research firm Phocuswright.Maybe that's because apps make travel easier, and often are more functional than a kiosk or even an airline's own website. Passengers report that they' re often more quickly informed of a flight cancellation or gate change than an airline employee. Not all airline apps are created equal, but in general you can use an app to check in for a flight, change seats, and request and pay for an upgrade. Road warriors in particular appreciate mobile boarding passes and the ability to track their flights. Many airlines now offer free onboard streaming entertainment via apps. The Delta Air Lines app even allows users to track their bags, from check-in to carousel, while the Air France app lets passengers download magazines and newspapers from the airline's library 30 hours prior to departure.But what if you are traveling extensively on more than one airline? Global airline alliances have their own apps that allow you to view flights for all member airlines and their affiliates, including code share flights. In general, you can find flight schedules for all member airlines and track member airline flights. Airport information is available, as are details about local weather at the destination. Where's the nearest airport lounge? The app will locate it for you.The Sky Team airline alliance app goes a step further by letting its SkyPriority members (Sky Team Elite Plus members and customers with first and business-class tickets) find out exactly which SkyPriority services-including priority check in and baggage drop off, as well as access to priority security lanes and boarding lanes-are available at individual airports.You' ll find that some alliance app features are available through multiple channels of communication. For example, Sky Team members have formed their own online community by sharing traveler tricks and airport tips accessible through a variety of channels, including the app, Sky Team's website, Facebook page and a dedicated tips site. Sky Team's YouTube page features travel tips from regional celebrities.Just as airlines seem to have conquered social media, another method of communicating with travelers has just arrived. KLM Royal Dutch Airlines is the first carrier to sign up for Facebook's Messenger chat app. KLM flyers can automatically receive itineraries, flight updates, check-in notifications, boarding passes and rebook flights and communicate with customer service, all from Facebook Messenger. Messenger for Business was launched so that customers-in this case, passengers-can transact business over the messaging app in a single communication thread. Roughly 80 percent of passengers on planes traveling within the U.S. have the Messenger app installed on their smartphones, according to Facebook.Clearly, mobile apps and social media have transformed our digital lives. Airlines favor apps and other technologies because they get customers out of airport lines and off phone lines. Through their smart devices, travelers now have untethered access to travel information. A few quick taps can supply individuals with information never dreamed possible even a decade ago. And with more people using smartphones as their primary computing device, and as more people own cellphones globally, people expect technology-driven methods of communication and convenience to accelerate. Whether you' re high-tech or not, you must admit that having immediate access to the information you need sure beats getting a busy signal on a toll-free phone line.According to this passage, which of the following apps provides priority services information for priority members?AThe Sky Team airline alliance app.BKLM Royal Dutch Airlines app.CGlobal airline aliance app.DThe Delta Air Lines app.
单选题Who can apply for a premium ticket from SAL according to the passage?AA passenger who has traveled several times by plane.BA passenger who wants to travel on any airlines flights.CA passenger who has traveled on Shanghai Airlines flights.DA passenger who has accumulated enough air miles on SAL flights.
问答题ssage 2 Many people who fly at least occasionally have come down 1 a cold or the flu shortly after disembarking. Is the air in airborne commercial jets unhealthy? The Association of Flight Attendants (AFA), by which 42,000 flight attendants with 27 airlines 2 represented, evidently thinks so. The organization claims that the incidence of air-quality-related diseases has increased among its members and, demands that prompt actions be 3 to improve the conditions in the airplane cabin. A study the AFA undertook in 1997 uncovered about 1000 self-reported incidents of headaches, dizziness and memory loss 4 flight attendants and passengers. Some flight attendants were 5 ill to perform their safety duties, while 6 have been permanently disabled. 7 of airlines’ efforts to cut their expenses, cabin air filters are not cleaned regularly. The complaints of flight attendants do not always give 8 to correct maintenance. Airlines turned to recycled air, convinced that they would reduce some of their costs. They are 9 required to put filters in. Airlines are 10 great pressure to get their flights out on time So they do not 11 as much attention to systems that are not as critical to flight schedule and safety. Recent research findings emphasize the concern that filters can introduce engine chemicals 12 the cabin air. This may not happen 13 every flight, but it is a persistent problem. In a study published in October 1998, an investigation was made on complaints of crew members concerning 14 quality and health. More than half of the 200 subjects reported health problems which they attributed to cabin air. It was concluded that these health problems were consistent with exposure 15 harmful gases and substances.