引起血尿酸增加的原因有（）
A.服碳酸氢钠后
B.肾小管转运功能障碍
C.尿酸生成酶缺陷
D.嘌呤类食物进食过多
E.蔬菜进食过多
参考答案：B, C, D
That________my first visit to Hong Kong,I didn't know where I should go first.There were so many
things to enjoy.[ ]
A. was
B. being
C. to be
D. to have been
下列四位同学对溶液的理解不正确的是 [ ]
A、溶液都是混合物
B、溶液都无色透明
C、溶液具有稳定性
D、溶液中各部分密度相同
