A.stress plate
B.keel
C.rider plate
D.main beam
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A.beams
B.girders
C.frames
D.bulkheads
A.lessening the effect of environmental forces
B.even and symmetrical variable loading
C.local concentration of heavy consumables
D.increasing the metacentric height
A.environmental loads
B.variable loads
C.ballast loading
D.mooring loads
A.connections between forebody and afterbody are most crucial
B.of maximum longitudinal bending moments
C.of severest racking stresses
D.resistance to grounding is at a maximum amidships
A.placing bunker on the deck
B.building a stage on which to place the cargo
C.welding steel feet to the deck，on which the cargo is placed
D.erecting vertical pillars under the deck to support the cargo
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Floors aboard ship are（）.
Support of ship side plating is provided primarily by transverse（）.
The deck beam brackets of a transversely framed vessel resist（）.
To shore up the main deck for the stowage of deck cargo means to（）.
The deck loads on a ship are distributed through the deck beams to the（）.
The strength of a deck will be increased by adding（）.
If the weights are concentrated in the middle part，then（）will happen on board the ship.
Deck beams on a vessel are generally spaced at equal intervals and run（）.
The purpose of sheer in ship construction is to（）.
Vertical structural members attached to the floors that add strength to the floors are called（）.