细胞外液中的主要阴离子是
A.氯离子
B.HCO离子
C.硫酸根离子
D.钾离子
E.氢离子
参考答案:A
Generally speaking, when the Herfindahl-Hirschman Index (HHI) is calculated by summing the squared percentage market shares, how many largest firms data is used in a industry, supposing there is a large number of firms in the industry:()
A.4
B.10
C.50
下列疾病中,肉眼形态表现为颗粒性固缩肾的是:()
A.急性肾盂肾炎
B.急性弥漫性增生性肾小球肾炎
C.毛细血管外增生性肾小球肾炎
D.慢性硬化性肾小球肾炎