單項(xiàng)選擇題The urgency signal concerning the illness of persons on board ship is().

A.Mayday
B.Pan
C.Securite
D.Attention


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1.單項(xiàng)選擇題There are no other vessels in the vicinity()those at anchor.

A.besides
B.including
C.apart from
D.in addition to

2.單項(xiàng)選擇題There is plenty of()at this area.

A.a room
B.room
C.rooms
D.the room

3.單項(xiàng)選擇題There is sufficient anchorage for()at all time around the No.1 buoy and for smaller vessels around the No.4 buoy.

A.deep laded vessels
B.deeply load vessels
C.deep loading vessels
D.deeply loaded vessels