航海英語地文航海單項選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 （） is not likely to be a methods of Traffic Separation.

2 When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.

3 What indicates a dual purpose buoy? （）

4 The maximum distance at which a light may be seen under the existing visibility conditions is called（）.

5 Preferred channel buoys indicate the preferred channel to transit by（）.