颌位记录包括（）。
A.定位鸦平面记录
B.下颌后退记录
C.面下1／3高度的记录
D.垂直距离和下颌前伸鸦记录
E.垂直距离和正中关系记录
参考答案：E
采用三氯化锑反应鉴别的药物是
A．链霉素B．庆大霉素C．青霉素D．四环素E．维生素A
Excuse me, Marcia, a reporter from Vanity Fair _____ all day. Could you speak to her now? [ ]
A. phones
B. has phoned
C. has been phoning
D. phoned
