单项选择题

我们正在装危险货。（）

A. We are loading flammable cargo.
B. We are loading dangerous cargo.
C. We are discharging flammable cargo.
D. We are discharging dangerous cargo.

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单项选择题

这个鹅颈头弯了。（）

A. This gooseneck is bent.
B. This derrick is bent.
C. This winch is in trouble.
D. This block is worn out.

单项选择题

起货机出故障时，水手要去叫电工来修理。（）

A. When the windlass is in trouble, the sailor must go and call the electrician to repair it.
B. When the derrick is in trouble, the sailor must go and call the electrician to repair it.
C. When the winch is in trouble, the sailor must go and call the electrician to repair it.
D. When the winch is in trouble, the sailor must go and call the carpenter to repair it.

单项选择题

水手应该知道船上吊杆的安全工作负荷。（）

A. Sailors should know the SWL of cranes on board their ship.
B. Sailors should know the SWL of derricks on board their ship.
C. Officers should know the SWL of derricks on board their ship.
D. Officers should know the SWL of cranes on board their ship.