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The meal and drink service is one of the many aspects that elicit the greatest reaction from the passengers, both favourable and unfavourable. The airlines therefore make every 1 to provide good food and beverages , served with skill and style. But to d o it well requires a great deal of training, planning and attention to detail. There is obviously a very small 2 of space in which to work, yet there may be a very large number of passengers to serve in a short time. Bar service is offered to first class passengers on a 3 basis. The liquor often comes in small one-drink sized bottles that are usually called miniatures. In most 4 , soft drinks, such as carbonated drinks, fruit juice, tea and coffee are offered in both classes at no charge. Drinks can be served from a serving cart, which can be rolled through the 5 in the economy class , or on individual trays in the first class. Snacks are often served with the drinks. In first class, the snack might consist of elaborate hot or cold canapés served on individual tray. In the economy section, it might be no more than a simple bag of nuts. Sometimes the snack will be typical of the local area in which the aircraft is flying. The meal service can be quite 6 . The service for first class can be so elaborate that passengers may have a feeling that they are feasted in a fine restaurant, with different courses and wines. In the economy section, the choices on the menu are quite limited. The food is usually portioned out onto individual trays and served directly from a service cart. The procedure seems much simpler compared 7 that in the first class section, yet there is still a lot for the cabin attendants to do. The airlines realize the importance of providing food and drink that 8 to a wide variety of tastes, as the customers are truly international, 9 from nearly every continent in the world. As a result, almost all airlines hope to 10 their traditional cuisine culture to the world.
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【单选题】连续周期信号的频谱有( )
A.
连续性、周期性
B.
离散型、周期性
C.
离散型、非周期性
D.
连续性、非周期性
【判断题】当被洪水围困而且无通信条件时,可通过制造烟火或来回挥动颜色鲜艳的衣物或集体同声呼救等,向外界发出紧急求助信号。( )
A.
正确
B.
错误
【单选题】上海 A 公司从韩国进口货物,信用证金额是 80000.00 美元,赎单当天外汇牌价是 100 美元=650.25/649.25 人民币,则 A 公司应付给银行多少人民币才能购得信用证金额?
A.
51940000 人民币
B.
519400 人民币
C.
.52020000 人民币
D.
.520200 人民币
【单选题】下列有关应用层协议的说法中错误的是(52)。
A.
FTP基于客户/服务器模型
B.
Telnet是一个客户/服务器应用程序
C.
SNMP基于TCP/IP模型
D.
HTTP不基于客户/服务器模型
【单选题】上海 A 公司从韩国进口货物,信用证金额是 80000.00 美元,赎单当天外汇牌价是 100
A.
=650.25/649.25 人民币,则 A 公司应付给银行多少人民币才能购得信用证金额?
B.
51940000 人民币
C.
519400 人民币
D.
52020000 人民币
E.
520200 人民币
【单选题】连续周期信号的频谱有
A.
连续性、周期性
B.
连续性、收敛性
C.
离散性、周期性
D.
离散性、收敛性
【单选题】班杜拉的三元交互作用理论强调观察者因素对学习的影响,其核心是重视()
A.
行为因素
B.
环境因素
C.
人为因素
D.
认知因素
【单选题】下列关于HttpServlet类的说法中,错误的是
A.
HttpServlet是位于javax.servlet.http包下抽象类
B.
通过继承HttpServlet类可以创建和HTTP协议相关的servlet
C.
通过继承HttpServlet类的方式创建servlet时,需要重写它的service()方法
D.
HttpServlet类通过一个service()方法将HTTP请求和响应分别转为HttpServletRequest和HttpServletResponse类型的对象。
【单选题】下列关于HttpServletRequest类说法错误的是
A.
HttpServletRequest类封装了Http协议请求的相关信息
B.
通过HttpServletRequest的对象我们可以获取客户端传递过来的参数
C.
HttpServletRequest是一个域对象,我们可以通过它在Servlet之间传递信息
D.
HttpServletRequest类的对象在用户访问web应用期间均使用同一个对象
【单选题】人体中的大部分代谢废物是由()以尿液的形式排出体外。
A.
皮肤
B.
消化系统
C.
呼吸系统
D.
泌尿系统
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