冠状动脉造影所途经部位有（）
A.主动脉根部
B.桡动脉
C.股动脉
D.肱动脉
E.左、右冠状动脉口
参考答案：A, B, C, D, E
I’d like to work with ________ is honest and easy to get on with.
A．who
B．whoever
C．whomever
D．no matter who
区别主送与抄送机关的依据是什么？
