– Do you know Backstreet Boys _____ to Beijing this month?

– Of course. I am going to fly to Beijing to watch their fabulous live show!

A．was coming

B．are coming

C．come

D．have come

在观察分析循环系统疾病时，应注意()

A．熟悉解剖

B．掌握方法

C．形象理解

D．结合病理生理改变

E．密切结合临床