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图书馆建设专题特色库的意义？

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正常成人每日需要的钾盐量为（）。

A. 1～1.5g
B. 2～3g
C. 3.5～4g
D. 5～6g
E. 7～8g

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原料气为什么要进行脱除硫化物？

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病情随体质而发生的转化称为（）。

A. 质势
B. 病势
C. 从化
D. 易感性
E. 传变

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You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not provide any status to the client applications. The service class is defined as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 public class ReportGeneratorService 03 { 04 ... 05 private int GenerateReports(int clientID) 06 { 07 ... 08 return 0; 09 } 10 } You need to ensure that client applications can initiate reports without waiting for status. Which two actions should you perform (Each correct answer presents part of the solution. Choose two.) （）。

A. Insert the following code at line 04. [OperationContract(IsOneWay=true)]
B. Insert the following code at line 04. [OperationContract(AsyncPattern=false)]
C. At line 05, change the GenerateReports method from private to public.
D. Remove line 08. At line 05, change the return type of GenerateReports method to void.

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