确定管辖权要坚持行政效率原则、有利于查清案件事实原则和专业性原则。
参考答案：对
-Sir,can I smoke here?
-At no time _____ in the meeting-room. [ ]
A. is smoking permitted
B. smoking is permitted
C. smoking is it permitted
D. does smoking permit
写出几种常用的强力刨刀（只须写出3种）。
