肾病综合征患者血清蛋白各电泳区带常有的变化是
A.ALB升高B.α1降低C.α2升高D.β降低E.可能β-γ融合
参考答案:C
属精神药品的是( )。
A.盐酸哌替啶B.盐酸普鲁卡因C.地西泮D.雄黄E.地塞米松
They say that ___ Chinese language is particularly difficult for ___ European.
A.the; an
B./ ; the
C.the; a
D./ ; a