3. 题干： 下列哪些船舶应保持正规了望? Ⅰ、独木舟 Ⅱ、锚泊中从事非拖网作业的非机动船 Ⅲ、失去控制的船舶

How many departments are there on board?They are ___.

You can ___his number in the telephone directory.

The depth from waterline to vessel＇s bottom is called ___.

The bosun is good ___ seamanship.

___ can help ships navigate in poor visibility or near land.

A fire extinguisher is used for ___ fires.

Water is used to put out ____.

___ must be kept away from dry cargoes.

Vegetables, meat, fish, fruit are carried in ___.

You are good ___ English, aren＇t you?