加工贸易联网监管，根据实际需要办理进出口货物的备案，取代以合同为单元的备案手续。 ( )
参考答案：对
Our city has experienced _______ this year as it did last year.
A．twice as much rain
B．rain twice as much
C．as twice much rain
D．twice rain as much
影响铁路运输安全的人员因素中，铁路运输系统外人员主要包括（）。
A．旅客
B．机动车驾驶人员
C．安监管理人员
D．货主
E．工务人员
