支配咀嚼肌的神经是
A．面神经 B．上颌神经C．下颌神经 D．舌下神经E．舌咽神经
参考答案：C
硬化萎缩注射法，一般每次注射不超过几个痔核（）
A.3
B.5
C.6
D.7
Why not stay at home the road is so slippery after the heavy snow? [ ]
A. since that
B. after that
C. then that
D. now that
