A.as a connecting strap between the butted ends of plating
B.to stiffen areas under points of great stress between beams
C.to prevent the anchor from fouling when the brake is released
D.to provide an extra heavy fitting in a heavy lift cargo rig
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A.holds the boom down and flattens the main sail
B.draws the head of the sail to windward
C.tautens the standing rigging
D.douses the gaff topsail
A.extending out from a bluff alongside the river
B.that tends to give a false indication of its position
C.that has a sharp drop off into deep water
D.that is perpendicular to the current
A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block
A.one
B.two
C.three
D.four
A.emergency gear
B.drainage
C.deck cargo storage
D.securing gear
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Freeboard is measured from the upper edge of the（）.
The antennas of the trucks on deck are not fitted（）.
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
The Tonnage Certificate indicates（）.
On a ship，the deck stringer is the outboardmost deck（）.
Buckler plates are（）.
Bilge keels are fitted on ships to（）.
One function of a bulwark is to（）.
Fuel oil tank vents are fitted with a screen which will stop（）.