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單項選擇題

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

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單項選擇題

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

單項選擇題

The material used extensively as electrolytic protection around bronze propellers is（）.

A.brass
B.copper
C.lead
D.zinc

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