航海英語航海圖書資料單項選擇題每日一練(2019.01.06)

來源：考試資料網(wǎng)

1 Clearance gauges at bridges indicate （）.

2 A report of casualty to a mobile offshore drilling unit must be made in writing to which office? （）

3 The Sailing Directions contain information on （）.

4 A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n) （）.

5 Passage through the Suez Canal is operated on a （） system．