航海英語緊急通信單項選擇題每日一練(2019.03.18)

來源：考試資料網(wǎng)

1 All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radio beacons (EPIRB)? （）

2 After an explosion，repair of emergency machinery and services should be accomplished（）.

3 The radiotelephone urgency signal is（）.

4 After having activated the emergency position indicating radio beacon，you should（）.

5 PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）.

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