焚烧
参考答案：
生活垃圾和危险废物的燃烧（具有强烈放热效应、有基态和电子激发态的自由基出现、并伴有光辐射的化学反应现象）
What did the speaker’s roommate do a. He kicked the speaker out of the room. b. He had a fight with the speaker. c. He got angry with the speaker. d. He blamed the speaker.
