航海英語緊急通信單項選擇題每日一練(2019.01.12)

來源：考試資料網

1 During the towing of a survival craft，a lookout should be on station to（）.

2 The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed（）.

3 The shear rams of a ship blowout preventer stack are used in emergency well control to（）.

4 On offshore drilling units，emergency lighting and each emergency power system must be tested at least once a（）.

5 The radiotelephone urgency signal is（）.