火淫证候可见()
A.舌质红或绛,脉数
B.气急疲乏
C.两者均有
D.两者均无
参考答案:A
_______ my sister three times today but her line was always busy.
A.I’d phoned
B.I’ve been phoning
C.I’ve phoned
D.I was phoning
简述HLA分子的分布。