航海英語航路指南單項選擇題每日一練(2019.01.17)

來源：考試資料網

1 Attention is called to the fact that in many cases charted depths may be decreased by up to （）.

2 In Admiralty Sailing Directions，bands is the word used to indicate（）marking．

3 Clearance gauges at bridges indicate （）.

4 You will find information about the duration of slack water in the （）.

5 A pilot vessel may continue to sound an identity signal if she is （）.