单项选择题
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
There is something wrong with our radar．All kinds of ob...
单项选择题There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.
A.shown B.expressed C.appeared D.displayed
