水手英語甲板值班單項(xiàng)選擇題每日一練(2019.01.12)

來源：考試資料網(wǎng)

1 The unlashing work must be finished before （）.

2 We use TEU as the unit of the standard containers. Its length is（）.

3 KEEP IN DARK PLACE（）

4 I’ll ask the electrician to repair the winch. （）

5 A （）is used for lifting long heavy cargo.