题目

25℃，下列溶液的酸性最强的是（ ） A . 0.01mol•L-1HCl B . pH=2的H2SO4溶液 C . c（OH-）=10-13mol•L-1 D . pH=1溶液加水稀释1倍 答案：C-How is it going? –It’s ________. The weather here is very beautiful and I don’t want to go home.A. bad B. boring C. greatD. terrible