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
单项选择题 To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
单项选择题 To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.
单项选择题 There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.