下列哪项不是慢性支气管炎的中医病因
A.脾虚生痰
B.肺脏虚弱
C.肾气虚衰
D.心阳虚损
E.外邪侵袭
参考答案:D
The American girl _____ father is an engineer is my pen friend. [ ]
A. who
B. whose
C. that
D. which
不论单位还是个人,签发支票的金额都不能超过银行存款的余额。 ( )