A.uppermost
B.middle
C.bottom
D.aftermost
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A.latest
B.update
C.last
D.up-to-date
A.ECDIS
B.RADAR
C.GPS
D.GMDSS
A.automatically
B.accurately
C.promptly
D.conspicuously
A.all crew members
B.all the watchkeeping personnel
C.all passengers
D.all visitors
A.Lambert conformal
B.Mercator
C.aximuthal
D.gnomonic
最新試題
The helm command PORT TWENTY means（）.
A tide is called diurnal when（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
What is it called when it is possible to ignite the vapour above the oil?（）
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
According to the relevant regulation, lifeboat should be powered by（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
When steering by autopilot,how often should the steering be checked?（）
Which of the following is not a form of precipitation?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.