航海英語潮汐與涌浪單項選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 The set of the ocean current is caused by（）.

2 Neap tides occur（）.

3 Spring tides are tides that（）.

4 Which current is responsible for the movement of icebergs into the North Atlantic shipping lanes（）.

5 Spring tides are tides that（）.