單項(xiàng)選擇題

Vessel towing with the current shall（）tow more than two boats and they must be towed alongside.

A.at times
B.at any time
C.at no time
D.at moment

你可能感興趣的試題

單項(xiàng)選擇題

Vessels are required to illuminate their（）to aid identification.

A.funnels
B.tunnels
C.channels
D.handles

單項(xiàng)選擇題

Vessels ramaining（）a few hours should moor with anchors.

A.much than
B.more than
C.many than
D.lot than