颞下颌关节可复性盘前移位的主要治疗方法是()
A.药物
B.理疗
C.针灸
D.牙合垫
E.手术
参考答案:D
The man we followed suddenly stopped and looked as if whether he was going in the right direction. [ ]
A. seeing
B. having seen
C. to have seen
D. to see
木材的组织结构决定了木材的()强度具有明显的方向性。
A、抗拉
B、抗压
C、抗弯
D、抗剪
E、抗折