工厂在郊区的分布率是在城市分布率的()
A.2倍
B.3倍
C.1.5倍
D.2.5倍
参考答案:C
--- Would you mind if I named my dog after your son?
---________!My wife and I will both be proud of it.
A.I hope not
B.Not a little
C.Nonsense
D.Not in the least
对于常温下0.1mol·L-1 NaHCO3溶液,下列叙述不正确的是( )
A.c (Na+)="c" (HCO3-) + c (CO32-) + c (H2CO3)
B.温度升高,溶液的pH升高,但溶液中的c(H+)与c(OH-)乘积不变
C.与等体积等浓度的CH3COOH溶液反应后,溶液中c(Na+)>c(CH3COO-)
D.加入适量的NaOH固体,溶液的pH减小