属于泌尿系统监测的设备是（）
A.心电监护仪
B.中心静脉压测定仪
C.脑电图机
D.尿比重计
E.心电图机
参考答案：D
—Your hamburger is the best I’ve ever tasted, Ms. Black!
—Thanks, Harry. _____.
A．That’s easy to make
B．I learned it from my parents
C．Please don’t say so
D．I’m glad you enjoyed it
简述几种固相控制方法？
