下列关于电解质溶液的判断正确的是 ( ) A.相同物质的量浓度的下列溶液中:①NH4Al(SO4)2②NH4Cl③CH3COONH4④NH3·H2O,c(NH4+)由大到小的顺序是:①>②>③>④ B.物质的量浓度相等的 H2S 和 NaHS 混合溶液中:c (Na+) +c(H+) =c(S 2―) + c(HS―)+c(OH―) C.醋酸溶液中存在醋酸分子,所以醋酸为弱电解质 D.常温下pH=6的酸性溶液中,不可能存在NH3·H2O分子 — How about starting work tomorrow? —Sorry, but I can't possibly start until Tuesday. ______?
[ ]A. Will that be OKB. Is that a good ideaC. Do you think I'm rightD. Can't you agree with me