A.of
B.on
C.at
D.in
您可能感興趣的試卷
你可能感興趣的試題
A.flashing amber light
B.yellow light with the same characteristics as the sternlight
C.all-round yellow light
D.yellow light with the same characteristics as the masthead light
A.fuel oil
B.sludge
C.oil refuse
D.All of the above
A.Mayday
B.Pan
C.Safety
D.Interco
A.SOS sent three times
B.ten one-second dashes with a four-second interval between them
C.twelve four-second dashes with a one-second interval between them
D.twelve one-second dashes with a short interval between them
A.1.5 and greater
B.1.25 and greater
C.1.0 and greater
D.0.5 and greater
最新試題
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
What are symptom(s) of a ruptured appendix?（）
The two main types of load cells used in mooring tension gauges are（）.
What is required to launch a boat stowed in a crescent davit?（）
There is plenty of（）at this area.
There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.
What is the normal length of anchor cable used to anchor a vessel?（）
The best method to stop a vessel from dragging anchor in a sand bottom is to（）.
Tripping defects in anchors frequently occur in（）.
To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.