不属蝶腭神经节节后分支的是（）
A.鼻腭神经
B.上牙槽后神经
C.腭前神经
D.腭中神经
E.腭后神经
参考答案：B
In order not to disturb his research,his wife__________the news of her sickness. [ ]
A. turned back
B. turned out
C. held back
D, held out
支座的结构形式决定于容器的大小。
