I saw her _____ out when I was walking past. [ ]
A. going
B. to go
C. went
D. go
答案:A
肝性脑病的诱发因素除外()
A.大量排钾利尿
B.上消化道出血
C.麻醉药物的使用
D.感染
E.多次灌肠或导泻
刀具有2个齿,转速为1000r/min,fz为0.03,F为()mm/min。
A.50
B.60
C.70
D.80