单项选择题
Has any person（）on board during the voyage otherwise than as a result of accident?
A.die B.dying C.dyed D.died
单项选择题 Fracture damage to the end links of the anchor cable，or to the jews’ harp may be eliminated by（）.
单项选择题 Dunnage may be used to protect a cargo from loss or damage by（）.
单项选择题 Dry cargoes are those commodities that（）.
