脉搏骤起骤落，急促有力，称为()
A．奇脉
B．短绌脉
C．交替脉
D．不整脉
E．水冲脉
参考答案：E
How old is ________?[ ]
A. he
B. He
C. his
D. him
心脏左前斜位，冠状面与胶片的夹角是（）
A.30°～50°
B.45°～55°
C.55°～65°
D.70°～80°
E.85°
