1,25-(OH)2D3的生理作用是
A.对血钙血磷无明显影响
B.使血钙降低,血磷升高
C.使血钙血磷均升高
D.使血钙血磷均降低
参考答案:C
下列关于城建税的说法不正确的有()。
A.城建税属于流转税
B.城建税为特定日的税
C.进口货物不征城建税
D.出口货物不退城建税
being fun and good exercise,swimming is a very useful skill.
A.Apart from
B.As good as
C.In addition
D.As well