分布于颊侧的神经是（）
A.上牙槽中神经
B.上牙槽前神经
C.颧神经
D.腭中神经
E.鼻腭神经
参考答案：A
.
．She asked Mary_________her homework.
A．if she had finished
B．that whether she had finished
C．that if she has finished
D．whether she has finished
可以用中间法消除的水准测量误差是（）。
A.水准尺误差
B.调焦透镜运行误差
C.水准管气泡居中误差
D.读数误差
颊侧的神经是（）
颊侧的神经是（）