Ⅳ型肾小管性酸中毒是指
A.代谢性酸中毒合并高血钾
B.泌氢及氨生成减少
C.重吸收碳酸氢盐降低
D.远端、近端肾小管功能均有障碍
E.氢吸收减少
参考答案:A
Hay farmers are in a perfectly competitive market. Assume that each acre of land produces 100 bushels of hay. The marginal revenue product of an acre of land is then:()
A. (price of hay per bushel)/100.
B. price of hay per bushel.
C. 100 × (price of hay per bushel).
简述公文拟办中对拟办人员的素质要求。