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單項(xiàng)選擇題

To determine if a C0₂ fire extinguisher is fully charged, you would（）.

A.operate the trigger valve
B.weigh the extinguisher
C.test with a pressure gauge
D.read the date of last test

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單項(xiàng)選擇題

To ensure the ship’s general stability,（）.

A.she's loaded a little deeper forward
B.she's loaded a little deeper aft
C.she has not any ballast at all
D.the cargo is properly distributed throughout the ship

單項(xiàng)選擇題

Uncharted lights, fog signals and radar beacon transmissions may be（）near the station.

A.encountered
B.met
C.contacted
D.seen

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To determine if a C02 fire extinguisher is fully charged, you would（）.

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To ensure the ship’s general stability,（）.

Uncharted lights, fog signals and radar beacon transmissions may be（）near the station.

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To determine if a C0₂ fire extinguisher is fully charged, you would（）.