下述畸形常见于AngleⅠ类错牙合的是（）
A.前牙拥挤
B.侧切牙舌侧错位
C.尖牙唇侧低位
D.第二前磨牙扭转
E.以上都是
参考答案：E
类风湿性关节炎早期畸形或纤维强直（）。
A.超短波
B.红外线
C.微波
D.蜡疗后按摩
E.不能用上述治疗
The teacher apologized late．
A．to his students to arrive
B．to his students for arriving
C．at his students to arrive
D．at his students for arriving
