最早提出“催气手法”的针灸医家是
A.徐风
B.陈会
C.窦汉卿
D.杨继洲
E.皇甫谧
参考答案:B
--- You may refuse my invitation , but you must explain why .
--- Oh, I must , _____ ?
A.did I
B.didn’t I
C.must I
D.mustn’t I