单项选择题
The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as ().
A.chemical ignition B.spontaneous combustion C.chemical combustion D.radiation ignition
单项选择题 A vessel sailing through the specific special areas may discharge or dispose of ().
单项选择题 In order to find out which lifeboat you are assigned, you should look at the ().
单项选择题 Fire and lifeboat stations are required to be listed on the ().