A.3/2 B.3/3 C.2/2 D.3/1
A.船長(zhǎng)和大副 B.水手長(zhǎng)和木匠 C.輪機(jī)長(zhǎng)和大管輪 D.A、B、C均正確
A.8/4 B.12/6 C.6/6 D.8/8