单项选择题
A.examine B.to examine C.being examined D.examining
Hatch No.1 must be cleaned up to meet the（）of the cargo...
单项选择题Hatch No.1 must be cleaned up to meet the（）of the cargo surveyors．
A.necessity B.responsibility C.requirement D.stipulation
During fueling，all doors，hatches，and ports（）.A.to windw...
单项选择题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
Cracks may be prevented from developing at the corners ...
单项选择题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
