包肠溶衣的主要材料是（）
A.糖浆和滑石粉
B.HPMC
C.CAP
D.川蜡
E.15％虫胶乙醇溶液
参考答案：C
She knew nothing about his journey _______ he was likely to be away for three months.
A．Except
B．except for
C．except that
D．in addition
青少年患者，踝痛，最可能的诊断是（）
A.跟距骨桥
B.脓肿
C.缺血坏死
D.骨结核
E.以上都不是
