扶危济困fú wēi jì kùn

What a pity! When we got to the cinema,the movie The Assembly          ,so we saw only the end of it.   [      ]

A. had just finished  

B. was finishing    

C. would finish      

D. just finished

髁突颈部骨折时，最可能伤及（）

A.翼从

B.上颌动脉

C.面动脉

D.颈内动脉

E.颈外动脉

用弱剂量共鸣火花疗法治疗时，电极与治疗部位的距离为

A．1～2mm
B．4～6mm
C．1～4mm
D．2～5mm
E．紧贴治疗部位

过剩空气系数对燃烧有什么影响？

卡瓦打捞筒下至距鱼顶（）要开泵循环，冲洗鱼头。

A.0.3m

B.0.5m

C.1.2m

D.7m