白芥子的适应证为（）
A.阴疽流注
B.胸痹
C.风痰
D.噫气
E.百天咳
参考答案：A
Mrs. Smith has a son called John. ______ loves ______ mother very much. [ ]
A. She, her
B. He, his
C. He, her
D. She, his
平衡含水量
