航海英語海上通信基本知識單項選擇題每日一練(2019.01.25)

來源：考試資料網(wǎng)

1 That ship arrived there（）6 p.m.yesterday.

2 Which of the following statements is TRUE regarding automatic identification systems (AIS) ?（）

3 Ships are always（）on water and they are easy to rust.

4 Automatic identification systems (AIS) are required to（）.

5 “How do you read?” “I read you with signal strength one”（）.