If there is a strike or lock-out affecting the cargo on or after vessel’s arrival at port of discharge and the same has not been settled within 48 hours，Receivers shall have the option of keeping vessel waiting until such strike or lock-out is at an end against paying half demurrage after expiration of the time prescribed for discharging or ordering the vessel to a substituting port．The “same” refers to（）.

At sea, much of the sailor’s time is spent （）the ship and keeping her equipment in good condition.

The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.

Many people watched the boys（）the mountain at that time.

It is required that ships proceeding at sea should keep continuous watch on（）.

During the watch keeping at sea, the engineer in charge should notify in the event of any serious occurrence or a situation where he is unsure of the action to take（）

（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.

The objectives of the ISM Code are to ensure ①safety at sea②prevention of human injury or loss of life③avoidance of damage to the marine environment and to property

The objectives of（）are to ensure safety at sea, prevention of human injury or loss of life, and avoidance of damage to the environment,in particular to the marine environment and to property.

During sea trial, the main engine well be kept run at load（）

During sea trial, the main engine will be kept run at______load

The prima facie rule that the law of the flag governs contracts of carriage by sea（）the paramount rule of the intention of the parties，which may be express，or implied from the circumstances of the sea.