下列忌火煅的药物是()
A.朱砂
B.自然铜
C.白矾
D.雄黄
E.石膏
参考答案:A, D
Li Lei knows two foreign languages. He can speak _______ English______ French.
A.either…or
B.neither…nor
C.both…and
D.so…that
阵发性右上腹痛、寒战高热、黄疸
A.胆总管结石继发胆管炎B.壶腹部肿瘤C.早期肝癌D.门脉高压症