The profit from the camage of cargo,which is often called（）,keeps the mer-chant ship running.

单项选择题Which of the following statements concerning cargo is correct?（）

A.Cargoes are any type of goods transported by any type of ships
B.Cargoes are goods transported in bulk
C.Cargoes usually include goods transported in bulk and in containers
D.Cargoes are usually packaged in containers

单项选择题Before work is commenced（）,the officer responsible should inform the duty en-gineer to ensure that steps are taken to reduce as far as practicable the emission of steam, harmful gases and fumes.

A.near the ship’s whistle
B.on the funnel
C.in the vicinity of radio aerials
D.near the radar scanner

单项选择题Before wore is commenced（）the officer responsible should ensure that power is shut off and warning notices posted on the bridge and in the machinery spaces.

A.near the ship’s whistle
B.on the funnel
C.in the vicinity of radio aerials
D.near the radar scanner

单项选择题Personnel working aloft (above 2metres) should wear（）or other arresting device at all times.

A.a safety harness with lifeline
B.a safety net
C.a life buoy
D.buoyancy agarments

单项选择题（）should generally best for handing acids,alkalis,various types of oils,solvents and chemicals in general.

A.Heat-resistant gloves
B.Rubber gloves
C.PVC gloves
D.Leather gloves