单项选择题

下面哪一个参数反映了差分放大电路对差模信号的放大能力和对共模信号的抑制能力？（   ）。 A.
Aud  B.
Auc C.
 Rid  D.
 KCMRR

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单项选择题
关于生长激素的作用，错误的是()。
A.促进脂肪分解
B.升高血糖
C.间接促进软骨生长
D.促进脑细胞生长发育
E.促进蛋白质合成
单项选择题
You are creating a Windows Communication Foundation (WCF) service that is implemented as follows.(Line numbers are included for reference only.)01 [ServiceContract]02 [ServiceBehavior(IncludeExceptionDetailsInFaults = true)]03 public class OrderService04 {05 [OperationContract]06 public void SubmitOrder(Order anOrder)07 {08 try09 {10 ...11 }12 catch(DivideByZeroException ex)13 {14 ...15 }16 }17 }You need to ensure that the stack trace details of the exception are not included in the error information sent to the client.What should you do?（）A.Replace line 14 with the following line: throw;B.Replace line 14 with the following line: throw new FaultException(anOrder, ex.ToString());C.After line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw ex;D.Alter line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw new FaultException(anOrder, Divide by zero exception );
A.(Line
B.)01
C...11
D...15
E.What
F.ToString());
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