【提出问题】甲烷燃烧后生成哪些物质?
【查阅资料】含碳物质完全燃烧生成CO2,不完全燃烧生成CO;无水CuSO4遇水变蓝。
My day
I get up at seven o'clock.
I have breakfast at ____.
I ____ at ____.