单位内部控制制度是单位经济管理制度的重要内容．与会计职业道德建设无关。
参考答案：错
Packet-switching wireless networks are preferable (1) when transmissions are (2) because of the way charges are (3) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (4) for the (5) of time they use the network.
2（）
A．long
B．short
C．large
D．small
快递服务收入应申报在“服务－通信服务－邮政、邮递服务收入”项下，国际收支交易编码为（）
A.203010
B.203020
C.202050
