题目

My first memories of acts of kindness are from when I was about 12 years old. I always_26_ people as soon as possible with_27_ they needed. At that time, I noticed that many_28_ people had difficulty_29_ to the grocery store after a snowstorm. I would spend part of a_30_ Saturday knocking on my elderly neighbors’ apartment doors to ask if they_31_ anything from the store. The_32_ was down a huge hill and I would bring back a couple of bags of necessities(必需品)for them. I liked doing it and it made them so_33_. My friends asked me what I was doing and after a while some of them_34将0.1mol/L醋酸溶液加水稀释，下列说法正确的是（ ）A．溶液中c(OH-)和c(H+)都减小B．溶液的pH增大C．醋酸电离平衡向左移动D．溶液中c(H+)增大