收款人开户行为系统外银行，汇款金额（）（含）元以下的通过小额支付系统办理资金汇划。
A.2
B.5
C.10
D.50
参考答案：B
绘图题：画出一个圆台的二视图，并标注尺寸（尺寸自定）。
Both bus and tree topologies are characterized by the use of multipoint (1).For the bus, all stations attach, through appropriate hardware (2) known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3). A transmission from any station propagates the length of the medium in both directions and can be received by all other (4). At each end of the bus is a (5) , which absorbs any signal, removing it from the bus.
空白（1）处应选择（）
A.medium
B.connection
C.token
D.resource
