航海英語(yǔ)遇險(xiǎn)通信單項(xiàng)選擇題每日一練(2019.01.23)

來(lái)源：考試資料網(wǎng)

1 TO EVACUATE A VESSEL FROM CREW AND PASSENGERS FOLLOWING A DISTRESS means（）.

2 Three short blasts of the whistle means（）.

3 A distress signal（）.

4 Which signal is detected as originating from a SART?（）

5 When you are firing a pyrotechnic distress signal，it should be aimed at（）.