航海英語進港指南單項選擇題每日一練(2019.01.21)

來源：考試資料網(wǎng)

1 The pilot motor launches are （） blue，with the PILOT in white．

2 From （）the mariner can understand the data of tide．

3 If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.

4 ETA／PILOT REVERTING means （）．

5 Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）