A:C((H +)>1.0×10-7mol/L
B:C(CH3COOˉ) +C(OHˉ)=' C(Na' +)+C(H +)
C:C(CH3COOˉ)+C(CH3COOH) ='C(Na' +)
D:C(OHˉ)= C(CH3COOH) +C(H +)
— She is very nice and friendly, although sometimes she is so strict ______ my study.
用递等式计算(能简算的请简算).
观察漫画,回答问题。