單項選擇題

If you are transmitting a distress message by radiotelephone you should（）.

A.use English language
B.always use the International Code
C.preface it by the word SOS
D.follow the transmission with the radio alarm signal

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單項選擇題

A person who sees someone fall overboard should（）.

A.call for help and keep the individual in sight
B.run to the radio room to send an emergency message
C.immediately jump in the water to assist the individual
D.go to the bridge to report the captain

單項選擇題

（）is the most visible signal of distress from a lifeboat at sea in the daytime.

A.Smoke signal
B.Flash signal
C.Fire signal
D.Radio emergency transmission

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If you are transmitting a distress message by radiotelephone you should（）.

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A person who sees someone fall overboard should（）.

（）is the most visible signal of distress from a lifeboat at sea in the daytime.