單項(xiàng)選擇題The deck control valve to be()after being repaired.

A.moved and fitting again
B.removed and refitted
C.reproduced and put on again
D.return and attached again


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1.單項(xiàng)選擇題The disinfection of various compartment in a vesel by filling them with a gaseous agents to destroy rats ect.means().

A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine

2.單項(xiàng)選擇題The expenses for the loading of trucks and heavy cargo and the necessary materials for lashing thereof will be charged to()account.

A.the supercargo's
B.the shipper's
C.the shipowner's
D.carrier's

3.單項(xiàng)選擇題The full utilization of berths can be achieved if().

A.ships arrive at random
B.cargo-handing time varies greatly
C.ships have to queue to get onto berths
D.ships do not have to wait to get onto berths

4.單項(xiàng)選擇題The KM for a vessel may be determined by which of the following?().

A.Adding the KB and the BM
B.Subtracting the KB from the BM
C.Subtracting the GM from the KB
D.Adding the GM and the KB