單項(xiàng)選擇題In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.

A.penetrations
B.plating
C.framing
D.brackets


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1.單項(xiàng)選擇題I saw the cargo surveyor（）the cargo on deck just a minute ago．

A.examine
B.to examine
C.being examined
D.examining

2.單項(xiàng)選擇題Hatch No.1 must be cleaned up to meet the（）of the cargo surveyors．

A.necessity
B.responsibility
C.requirement
D.stipulation

3.單項(xiàng)選擇題During fueling，all doors，hatches，and ports（）.

A.to windward should be opened and the ones to leeward should be closed
B.to leeward should be opened and the ones to windward should be closed
C.should be opened
D.should be closed

4.單項(xiàng)選擇題Cracks may be prevented from developing at the corners of welded plating inserts by（）.

A.squaring the corners
B.rounding the corners
C.plug welding the corners
D.slot welding the corners

5.單項(xiàng)選擇題Connecting elements of a mooring system should be fabricated from（）.

A.cast iron
B.forged steel
C.stainless steel
D.cast steel