航海英語(yǔ)固體散裝危險(xiǎn)品與BC規(guī)則單項(xiàng)選擇題每日一練(2019.01.10)

來(lái)源：考試資料網(wǎng)

1 An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.

2 （）is the most liable to spontaneous combustion.

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

4 An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）

5 After putting on a self-contained breathing apparatus，you open the air supply and hear a continuous ringing of a bell. What does this mean? （）