[问答题]

已知某简化的会计系统的一级数据流图是正确的（如图1所示），请指出其二级数据流图（如图2所示）的错误，并改正。

下列评价指标中，属于动态评价指标的是（）。  ["内部收益率","投资利税率","投资利润率","平均报酬率"] You are working with a Windows Communication Foundation (WCF) client application that has a generated proxy named SampleServiceProxy.When the client application is executing, in line 04 of the following code, the channel faults (Line numbers are included for reference only.) 01 SampleServiceProxy proxy = new SampleServiceProxy(); 02 try 03 { 04 proxy.ProcessInvoice(invoice); 05 } 06 catch 07 { 08 if(proxy.State == CommunicationState.Faulted) 09 { 10 ... 11 } 12 } 13 proxy.UpdateCustomer(customer);You need to return proxy to a state in which it can successfully execute the call in line 13.Which code segment should you use at line 10?（） [" proxy.Close();"," proxy = new SampleServiceProxy();"," proxy.Abort();"," proxy.Open()"] 西罗马帝国灭亡的历史意义 什么是“五新”安全教育？ 山谷风

已知某简化的会计系统的一级数据流图是正确的（如图1所示），请指出其二级数据流图（如图2所示）的错误，并改正。