航海英語地文航海單項(xiàng)選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 A buoy with a composite group-flashing light indicates a(n)（）.

2 The equator is（）.

3 When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.

4 A dead reckoning (DR) plot（）.

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