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【单选题】
如果一种物品价格高于均衡价格A.
存在短缺，而且，价格将上升
B.
存在短缺，而且，价格将下降
C.
存在过剩，而且，价格将上升
D.
存在过剩，而且，价格将下降
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举一反三
【单选题】When the chief engineer is in the machinery spaces, the officer in charge of the engineering watch shall_________ .
A.
continue to be responsible for machinery space operations despite the presence of the C/E
B.
hand over the responsibility actively
C.
be responsible for the watching together with the chief engineer
D.
assistant the chief engineer to control the machinery
【简答题】when do you have call the chief engineer to the engine room ?
【单选题】What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel ________．
A.
That all fuel is drained from the vehicles' tanks to prevent fire hazard
B.
The size，weight，and center of gravity of vehicle/cargo unit
C.
The preferred stowage of vehicles is athwartships wherever possible
D.
The vehicles' brakes should not be set to allow for adjusting the lashings
【单选题】在Excel 2007中单元格格内输入日期时,年、月、日分隔符可以是(不包括引号)()、
A.
“/”或“-”
B.
“/”或“\”
C.
“. ”或“∣”
D.
“\”或“-”
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