确定垂直距离采用
A．息止颌位法B．吞咽咬合法C．卷舌后舔法D．哥特弓描记法E．前伸颌位记录
参考答案：A
Why don't you to be Danny's friend? [ ]
A. pretend
B. pretended
C. was pretended
D. is pretended.
强心苷治疗慢性心功能不全的直接作用是
A．扩张血管
B．减慢心率
C．利尿
D．抑制房室传导
E．增强心肌收缩力
