大开颌运动为发生在颞下颌关节运勒( )
A. 髁状突作转动运动
B. 活动发生在下腔
C. 作滑动运动，活动发生在上腔
D. 一侧作滑动，一侧基本上转动
E. 转动运动与滑动运动结合的混合运动
年轻恒牙的可复性牙髓炎，去净腐质未露髓者，首选治疗方法( )
A. 开髓引流
B. 镇静、止痛、抗炎
C. 间接盖髓
D. 拔除患牙
E. 局麻拔髓
In Chapter IV, the author would like to give you information about ______.
A. how to attract birds
B. seasonal flights of birds
C. language of birds
A large box of jewels ______ by the explorers last year.
A. was found
B. were found
C. found
微信支付 
支付宝支付