单项选择题
The (auto)ignition temperature is that temperature atwhich（）.
A.no spark or flame is required to ignite gas or vapor B.a fuel begins to give off explosive vapors C.a fuel if ignited will continue to burn D.a 1% mixture of the fuel with air will explode
单项选择题 Sulfuric acid is a（）.
单项选择题 Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.
单项选择题 Raw lacquer is（）corrosive nature．
