航海英語液化氣體與IGC規(guī)則單項(xiàng)選擇題每日一練(2019.08.02)

來源：考試資料網(wǎng)

1 According to the regulations，normally，manholes in LFG tanks are located（）.

2 Butadiene，inhibited，is labeled as a（）.

3 What normally helps in detecting escaping gas? （）

4 A chemical additive to LPG gives it a characteristic（）.

5 If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）

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