案件查处信息卡,一般程序案件实行“()”制度。
参考答案:一案一卡两次报告
如果等式(2x+1)x+2=1,则x的值为( )。
---May I speak to your manager Mr.Willians at five o'clock tonight?"
---"I'm sorry, Mr.Williams _______ to a conference before then."
A.will have gone
B.had gone
C.would have gone
D.has gone