航海英語燃燒與爆炸單項選擇題每日一練(2019.01.09)

來源：考試資料網(wǎng)

1 According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.

2 A cutoff valve in the fire-main system of a ship may be closed to protect the portion of the system on an exposed deck from（）.

3 Cargo transfer operations on a tanker need NOT be stopped when（）.

4 If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.

5 A carbon dioxide fire extinguisher should be recharged（）.