航海英語固體散裝危險(xiǎn)品與BC規(guī)則單項(xiàng)選擇題每日一練(2019.01.25)

來源：考試資料網(wǎng)

1 An aneroid barometer on a boat should always be（）.

2 After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means “（）”.

3 An advantage of the Christmas Tree towing method is to（）.

4 （）is the most liable to spontaneous combustion.

5 An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）