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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There is not（）depth of water around the area centered at the lighthouse.
The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.
To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
Fog forms when the air（）.
What form of ice is of land origin?（）
Which is NOT a distress signal?（）
The expression DROP ANCHOR means（）.
There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.
To reduce mild fever the MOST useful drug is（）.