A.Wave length
B.Wave height
C.Wave breadth
D.wave depth
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A.depths in Malacca and Singapore Straits are stable
B.depths in Malacca and Singapore Straits are changeable
C.depths in Malacca and Singapore Straits are invariable
D.depths in Malacca and Singapore Straits are the same all the time
A.totally enclosed
B.glass-reinforced plastic
C.self-righting
D.powered
A.a draft
B.a freeboard
C.an air draft
D.an under-keel clearance
A.supplied with
B.equipped with
C.manned with
D.fitted with
A.stop engines
B.hold course and speed
C.alter course to port
D.sound the danger signal
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（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Bales close to the deckhead should be covered to prevent（）.
Which of the following is not an operation mode of AIS?（）
The dew point temperature is（）.
Manoeuvring information can not be obtained from（）.
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（）.
Which of the following is not a form of precipitation?（）
The helm command PORT TWENTY means（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.