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【简答题】
Cabin attendants have many things to do when the plane is in flight. Their job is to look after the comfort and safety of the passengers during the flight. They are also called cabin or flight attendants, stewardesses and stewards. Passenger safety is the main job of cabin attendants. They must make sure the passengers are sitting safely. The things passengers bring on the plane with them must be put away safely so that they will not slide around during the flight. If the plane should move or turn suddenly, a loose object could hit and injure someone. Before the flight begins, the cabin attendants tell the passengers: “Please stow all hand or carry-on luggage under the seat in front of you or in the overhead compartment.” The things passengers bring aboard the plane are called hand or carry-on baggage. “To stow” means to put away. Carry-on luggage can fit either under the seat or in a special compartment (enclosed space) above the seats over the heads of the passengers. Cabin attendants must make sure these compartments are closed properly during the flight. En route, the cabin attendants serve food and beverages (drinks) to the passengers. This keeps the attendants busy and on their feet during most of the flight. On a flight of five hours or more , the attendants walk between 10 and 15 miles—or 16 to 24 kilometers—as part of their job. Their duties also include welcoming the passengers aboard the airliner and helping them to find their seats. A cabin attendant must show the passengers where the emergency exits are and explain how to use the oxygen masks. The cabin attendants also give out pillows and blankets to help make passengers comfortable. They give passengers magazines to read. They must be able to answer questions about the times of flights and the services of the airline. Cabin attendants must learn about the safety equipment of the airplane in which they are flying. They must know how to get passengers out quickly and safely if there should be an accident. And, most important, they must be able to keep the passengers calm in an emergency. All cabin attendants must be able to give first-aid. This is the help that is given to a sick or hurt person before regular medical treatment from a doctor can be obtained. Such treatment can often save a person’s life if it is given quickly. Learning to give first-aid is an important part of a cabin attendant’s training. A cabin attendant says, “What I’m doing is an interesting job, and we meet many interesting people. We get to see different places. But it’s not all fun. We live out of suitcases, and we serve hundreds of meals each day. A cabin attendant has to enjoy taking care of and serving people is not easy. But we have to stay calm and pleasant all the time. This is especially important when bad weather makes a flight rough or bumpy, when a plane is late, or when there is an emergency.” Another cabin attendant adds, “Passengers spend more time with cabin attendants than with any other airline employee. The service the passengers receive on board the plane determines whether or not they will fly again on one of our airplanes. We want them to continue to be customers of our airline. So it is important that we give them good and courteous service.”
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【多选题】如果某一独立方案的评价结论是:基本具有财务可行性,则可以断定该方案的( )
A.
净现值大于或等于零
B.
净现值率大于或等于1
C.
获利指数大于或等于1
D.
静态投资回收期大于基准回收期
E.
内部收益率大于或等于行业基准折现率
【判断题】如果静态投资回收期大于或等于基准静态投资回收期,说明项目可行或基本可行。
A.
正确
B.
错误
【单选题】根据甲、乙、丙三个零件的已知数据:功能评价系数分别为0.2、0.02、0.09;成本系数分别为0.30、0.0l、0.09.则应选择( )为价值工程的对象。
A.
B.
C.
D.
甲、丙
【多选题】如果某一独立方案的评价结论是:基本具有财务可行性,则可以断定该方案的( )。
A.
净现值大于或等于零
B.
净现值率大于或等于1
C.
获利指数大于或等于1
D.
静态投资回收期大于基准回收期
E.
内部收益卒大于或等于行业基准折现率
【简答题】三个系数分别为( )( )()
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A.
B.
C.
D.
甲、丙
【多选题】如欲保持原种的优良特性,一般可采用( )繁殖方法。
A.
种子繁殖
B.
扦插繁殖
C.
嫁接繁殖
D.
压条繁殖
【简答题】青霉素是由 产生的。
【多选题】如果某单一方案的评价结论是:基本具备财务可行性,则可以判定该方案的(    )。
A.
净现值大于或等于零
B.
净现值率大于或等于1
C.
获利指数大于或等于1
D.
静态投资回收期大于基准回收期
E.
内含报酬率大于或等于行业基准折现率
【多选题】【2018-93 一级】某施工企业与甲订立了材料买卖合同,却误将货款支付给乙,随后该施工企业向乙索回货款,并支付给甲。关于该案中施工企业、甲和乙之间债发生根据的说法,正确的有 ( )。
A.
施工企业与乙之间形成合同之债
B.
乙与施工企业之间形成无因管理之债
C.
施工企业与甲之间形成合同之债
D.
甲、乙之间不存在债的关系
E.
乙与施工企业之间形成不当得利之债
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