航海英語GMDSS單項選擇題每日一練(2019.01.15)

來源：考試資料網(wǎng)

1 The GMDSS defines four sea area based on the（）.

2 It is（）for mariners to combine the SART with a float-free satellite EPIRB.

3 The INMARSAT consists of（）major components.

4 Which expression has the different meaning from entry into force ? “entry into force” means is（）.

5 The Emergency Position Indicating Radiobeacon on a cargo vessel must be stowed（）.