A.deep water
B.shallow water
C.stiff soils
D.soft soils
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A.bicarbonate of soda
B.paregoric
C.aspirin
D.aromatic spirits of ammonia
A.after drydocking，while the hull is moist
B.after drydocking，and the hull has dried
C.afloat，where it is leaking
D.afloat，in all accessible areas
A.the actual depth
B.added to or subtracted from the charted depth
C.multiplied by the charted depth
D.divided by the charted depth
A.0 degrees
B.10 degrees
C.20 degrees
D.30 degrees
A.shown
B.expressed
C.appeared
D.displayed
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In radiotelephone communications，the prefix PAN-PAN indicates that（）.
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