砂轮机更换新砂轮时必须由()进行。
参考答案:专人
We had a party last month, and it was so fun. Why don't we have _______ one this month? [ ]
A. more
B. another
C. the other
面部刀砍伤患者临床检查发现同侧眼睑闭合困难,考虑为哪一支面神经受损
A.颞支B.颧支C.颊支D.下颌缘支E.颈支