下列各项,属经行头痛常见病因的是()
A.气滞血瘀
B.阴虚血热
C.肝火上逆
D.肾气亏损
E.湿热阻滞
参考答案:C
—Were you at school when it began to rain?
—Yes. I with my teacher at that time.
A.talk
B.will talk
C.was talking
D.am talking
新中国制造的第一架小型运输机是哪一架?