A:燃烧反应一定属于化合反应
B:燃烧反应一定属于分解反应
C:燃烧反应可能属于置换反应
D:燃烧反应可能属于复分解反应
如图所示“验证绿叶在光下合成淀粉”活动操作的正确顺序是( )
— He made few mistakes in his speech, ______________? — ____________, his performance is wonderful.