A:c(CH3COO﹣)<c(Na+)
B:c(CH3COOH)>c(CH3COO-)
C:2c(H+)=c(CH3COO﹣)﹣c(CH3COOH)
D:c(CH3COOH)+c(CH3COO﹣)=0.01mol/L
如图为一个生态系统中四种生物所占的数量关系,这些生物构成了一条食物链.下列说法正确的( )
Have you ____ (消化)everything that is important in the book.
They don't like____.