下列病证哪一项与肝郁气滞无关?()
A.月经先后无定期
B.经行鼻衄
C.绝经前后诸病
D.产后缺乳
E.不孕症
参考答案:C
Many people learn English because it ______ widely ______ in the world. [ ]
A. is; used
B. was; used
C. is; using
D. was; using
哪些病人易发生二重感染?