下颌前伸至上下前牙切缘相对,两侧上下后牙尖对尖接触时称()
A.平衡
B.正中平衡
C.前伸平衡
D.侧平衡
E.单侧平衡
参考答案:C
瘰疬的病机与下列哪项有关
A.肾中精气亏损
B.感受风火时毒
C.肝郁气结痰凝
D.心脾两经湿热
单项填空
The show was . I fell asleep half way through it.[ ]
A. interesting
B. good
C. boring
D. bored