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(2019.01.10)

來源：考試資料網(wǎng)

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

2 All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.

3 An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.

4 After you enter Thimble Shoal Channel，you will alter course to pass between Trestle “A” and “B”. Which channel should you use?（）

5 A space should be ventilated when（）.