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【多选题】
客房部在确定备用布件的配备数量时,要综合考虑哪些因素( )。A.
的损耗率
B.
库存条件
C.
计划更新补充的周期和数量
D.
预计流布件的补充情况
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举一反三
【单选题】Is sitting in traffic as inevitable as death and taxes? Perhaps not. Many countries now have dedicated traffic-monitoring centres linked to networks of cameras and sensors. Throw in traffic-spotting a...
A.
dispatch aircraft to spot the traffic.
B.
guarantee drivers have access to the information system.
C.
obtain related reports of accident.
D.
collect data of the positions of buses.
【单选题】Europe and Japan need more labor force because the population growth in these countries has been very low.
A.
Y
B.
N
C.
NG
【单选题】人的心理与生理、精神和身体、机体内外环境是一个完整统一的整体，这一观点被称为（）。
A.
生物、心理、社会医学模式;
B.
生物医学模式;
C.
心理、社会模式;
D.
心理医学模式。
【单选题】The number of air crashes that ____ in developing countries ____ increasing. [ ]
A.
happens; is
B.
happen; is
C.
happens; are
D.
happen; are
【单选题】. China is one of the countries in the world which_________astronauts to space so far.
A.
have sent
B.
has sent
C.
sent
D.
sending
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