射频系统不包括的部件为（）
A.射频发射器
B.高压发生器
C.功率放大器
D.发射线圈
E.接受线圈
参考答案：B
GPS、GIS、MRP、MRPⅡ、ERP、CRM、自动立体式仓库、机械手等技术方法正应用在物流作业系统。( )
My money ______. I must go to the bank to draw some of my savings out before I’ve none in hand.[ ]
A. has been run out of
B. has been run out
C. has run out
D. is running out
