单项选择题
A.bicarbonate of soda B.paregoric C.aspirin D.aromatic spirits of ammonia
To prevent a wooden hull from leaking you caulk it（）.A....
单项选择题To prevent a wooden hull from leaking you caulk it（）.
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
To predict the actual depth of water using the Tide Tab...
单项选择题To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
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
To develop maximum anchor holding power，the optimum ang...
单项选择题To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.
A.0 degrees B.10 degrees C.20 degrees D.30 degrees
