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單項選擇題

Close all fire doors and use the （）（干粉滅火器）.

A. dry powder extinguisher
B. foam extinguisher
C. CO₂ extinguisher
D. portable extinguisher

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單項選擇題

The signals that will be used for emergency should be clearly （）（列出）.

A. put out
B. set out
C. set on
D. put on

單項選擇題

It may be （）（補充）by individual cards issued to each member of the crew.

A.supply
B.supplemented
C.supplied
D.supplies

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