【单选题】
We should take ()to keep the chemicals away from fire.
A、great care
B、some measures
C、fresh water
D、fresh air
A、great care
B、some measures
C、fresh water
D、fresh air
A、They should pay attention to the safety of the ship. B、They should pay attention to the rise and fall of tide. C、They should pay attention to the conditions of loading and unloading. D、They should pay attention to take care of the mooring lines.