最早应用口内复位法治疗下颌关节脱位的医家是：
A．巢元方
B．刘涓子
C．蔺道人
D．葛洪
E．王肯堂
参考答案：D
172. --- Where did you see him?
--- It was in the hotel ______.
A．where he stayed
B．that he stayed
C．in that he stayed
D．which he stayed
乙二醇蒸发器液位计失灵，应根据（）调节液位。
A、蒸发器压力
B、蒸发器温度
C、蒸发器进料量
D、蒸发器出料量
