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
______warm it is!
A. How
B. What
C. What's weather