"In port ,if the master considers in necessary_______ shall be in charge of the deck watch
A.a qualified officer plus another crew
B.the ship master
C.a qualified officer or another crew
D.a qualified officer
正确答案是D
"In port ,if the master considers in necessary_______ shall be in charge of the deck watch
A.a qualified officer plus another crew
B.the ship master
C.a qualified officer or another crew
D.a qualified officer
正确答案是D