（）is the offense against navigational rules and will make the ship unseaworthy with the Shipowner responsible for all the consequences.

单项选择题（）Charterer and Shipowner agreed on instructions which were ambiguous and were misinterpreted in good faith by the master，it was held that the Charterer could not hold the Shipowner liable．

A.Whether
B.Where
C.That
D.Which

单项选择题（）are included in the Queen’s enemies．

A.Public enemies
B.Pirates
C.Robbers
D.The enemies of the state to which the merchants belong

单项选择题THROWING OVERBOARD OF GOODS IN ORDER TO LIGHTEN THE VESSEL OR IMPROVE ITS STABILITY IN CASE OF AN EMERGENCY defines（）.

A.Dropping off
B.Jettison
C.Throwing away
D.Taking off