103～104
慢性肾衰竭继发性甲旁亢
A．降钾树脂B．碳酸氢钠C．促红素D．呋赛米（速尿）E．活性维生素D3
参考答案：E
乙状结肠镜检查常用的体位是（）
A．归脾汤
B．丹栀逍遥散
C．龙胆泻肝汤
D．左归丸合小金片
E．右归丸合小金片
She was moving out of her old apartment _______ she suddenly realized that the key to the new apartment wasn’t on her.
A．until
B．once
C．when
D．as if
