A:A+3B⇌2C
B:2A+2B⇌3C
C:3A+B⇌C
D:A+B⇌C
I ____ a pupil.
“移栽植物最好在阴天或傍晚”,与此关系最密切的生理过程是( )
I forgot to turn ______ the lights when I left.