航海英語(yǔ)狹水道、冰區(qū)與運(yùn)河航行單項(xiàng)選擇題每日一練(2019.01.23)

來(lái)源：考試資料網(wǎng)

1 Ice blink is（）.

2 A tow that veers to the side on the end of the towline is said to（）.

3 A tide is called diurnal when（）.

4 For operations in pack ice，a vessel should（）.

5 A flashing green light displayed at a single lock means that the lock is（）.

航海英語(yǔ)狹水道、冰區(qū)與運(yùn)河航行單項(xiàng)選擇題每日一練(2019.01.23)