腹部平片不易显影的尿结石是
A．磷酸盐结石
B．草酸盐结石
C．碳酸盐结石
D．尿酸结石
E．混合结石
参考答案：D
I share the room ____my sister and we are very friendly ____each other.
A．to; to
B．to; with
C．with; with
D．with; to
国际结算单据
