航海英語(yǔ)潮汐與涌浪單項(xiàng)選擇題每日一練(2019.01.17)

來(lái)源：考試資料網(wǎng)

1 The steady current circling the globe at about 60°S is the（）.

2 Which statement is TRUE concerning apogean tides（）．

3 When there are small differences between the heights of two successive high tides or two successive low tides，the tides are called（）.

4 Neap tides occur（）.

5 River currents tend to（）.

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