外商独资银行、中外合资银行及外国银行分行都可以经营部分或全部人民币业务和外汇业务。( )
参考答案：错
以下哪一项不属于周围血管征的范畴（）
A.水冲脉
B.细迟脉
C.股动脉枪击音
D.听诊器轻压股动脉闻及双期杂音
E.毛细血管搏动征等
I first met Lisa three years ago. She ________ at a radio shop at the time.
A．worked
B．was working
C．has worked
D．has been working
