— There is milk in the fridge. Please buy some on your way home.
— All right.
A:much
B:many
C:little
D:few
① ② ③CH3OH④ ⑤ ⑥
随机变量ξ服从二项分布ξ~B16,p,且Dξ=3则Eξ=等于( )
下列有关碳和碳的氧化物的说法错误的是( )