胆囊炎胆石症诊断首选B型超声检查而不是口服胆囊造影
参考答案：对
鱼鳞病是缺乏（）
A．维生素B1
B．维生素A
C．维生素E
D．维生素C
E．维生素P
He will come here _______5:00 _________6:00 this afternoon.
A．among; and
B．between; and
C．from; to
D．among; or
