皮皮学，免费搜题
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【判断题】
三显示自动闭塞区段的连续式机车信号机显示一个红色灯光，表示列车已越过地面上能够显示红色灯光的信号机。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】When are the hotel guests asked to contact the staff?
A.
If no hot water is coming out of the faucet
B.
If the water continues to be discolored
C.
If the water pressure is too low
D.
If the sediment is not visible in the water
【单选题】The hotel staff are friendly and ______.
A.
efficient
B.
courteous
C.
legible
D.
integral
【多选题】Specialists in( ) must be a part of the hotel's staff.
A.
training
B.
food operation
C.
housekeeping
D.
building maintenance
【简答题】A．Don't get too familiar with the hotel staff. B．Book the hotel right away. C．Keep a check on your spending. D．Don't sit down at a bar.
【简答题】The front office is truly the nerve center of a hotel. Members of the front-office staff welcome the guests, carry their luggage, help them register, give them room keys and mails, answer questions a ...
【多选题】以下属于内在不经济的因素有( )。
A.
生产规模过大产生对生产要素的过度需求，从而刺激要素价格上涨导致生产成本增加
B.
行业的生产规模过大加剧同行业各厂商之间的竞争
C.
整个行业的扩大，导致环境污染问题严重，交通紧张
D.
减少生产要素购买和产品销售等环节的资源消耗
E.
企业管理机构庞杂，管理效率低下
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