第8题: [单项选择]The major difference between oxidation and fire is that ______. A. their burning velocities differ in rate B. oxidation is a chemical reaction while fire is a physical reactionp C. oxidation does not create heat D. they occur at different temperatures 参考答案:D 答案解析:综合推断题。
A:他们燃烧的速率不同,B:氧化是化学反应,而着火是物理反应;C://氧化不会产生热量;D://两种现象发生的临界温度不同。要找到本题的正确答案,须综合考虑文章所提供的相关细节。