A.20 minutes
B.15 minutes
C.10 minutes
D.5 minutes
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A.2 minutes
B.3 minutes
C.4 minutes
D.5 Minutes
A.who have performed work for 14 hours
B.who have performed work in a scheduled rest period
C.who have performed work in a scheduled work period
D.who works hard
A.give access to
B.links up with
C.have contact with
D.is constructed of
A.14 hours
B.10 hours
C.6 hours
D.It does not matter as long as my overtime is paid for
A.hydrography
B.aids to navigation
C.tidal currents
D.regulatory boundaries
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Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
When the wave period and the apparent rolling period are the same（）.
Which of the following is not a form of precipitation?（）
In the Northern hemisphere northerly winds may cause temperature（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Manoeuvring information can not be obtained from（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The dew point temperature is（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.