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單項(xiàng)選擇題

（）(所有船員) must know the locations as well as the operations of the life-saving and fire-fighting appliances.

A. All officers
B. All engineers
C. All the crew
D. AB and C

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單項(xiàng)選擇題

Second Officer, give one （）(長(zhǎng)聲).

A. blast
B. short blast
C. prolonged blast
D. prolonged blasts

單項(xiàng)選擇題

Where do you post your （）(火勢(shì)控制圖)?

A. fire control plan
B. fire control
C. fire plan
D. fire-fighting plan