根据《水利水电建设工程验收规程》(SL 223—1999)，属于不参加验收委员会单位代表的单位是()。

A. AnnouncementService

B. AnnouncementClient

C. DiscoveryClient

D. HttpListener

A.ClassMyDictionaryImplementsDictionary（OfString，String）

B.ClassMyDictionaryInheritsHashTable

C.ClassMyDictionaryImplementsIDictionary

D.ClassMyDictionary EndClass DimtasNewDictionary（OfString，String） DimdictAsMyDIctionary=CType（t，MyDictionary）

Services/Contoso.svc.The service provides a JavaScript resource to clients. You have an explicit reference to the JavaScript in your page markup as follows.You need to retrieve the debug version of the service JavaScript. What should you do?（）

A. In the <%@ ServiceHost %> header for /Services/Contoso.svc, set the Debug attribute to true.

B. In the <%@ Page %> header, set the Debug attribute to true.

C. In the script tag, add a debug attribute and set its value to true.

D. In the script tag, append debug to the src attribute.

achtimetheAddFilebuttonisclicked，anewdivelementiscreated.ThenewdivelementisappendedaftertheotherfileuploaddivelementsandbeforetheAddFilespan.Eachnewelementhasauniqueidentifier.Whichcodesegmentshouldyouuse？（）

A.$（"#AddFile"）.click（function（）{varid="File"+++lastId；varitem=$（".File：first"）.clone（true）；$（"input：file"，item）.attr（{id：id，name：id}）；item.insertBefore（"#AddFile"）；}）；

B.$（"#AddFile"）.click（function（）{varid="File"+++lastId；$（".File：first"）.clone（true）.attr（{id：id，name：id}）.insertBefore（"#AddFile"）；}）；

C.$（"#AddFile"）.click（function（）{varid="File"+++lastId；}）；

D.$（"#AddFile"）.click（function（）{varid="File"+++lastId；varitem=$（".File：first"）.clone（true）；$（"input：file"，item）.attr（{id：id，name：id}）；item.insertAfter（"input[type=file]"）；}）；

A.应使用 System.Collections.Generic.SortedList 类

B.应使用 System.Collections.HashTable 类

C.应使用 System.Collections.Generic.SortedDictionary 类

D.应使用 System.Collections.SortedList 类

YoucreateMicrosoftWindows-basedapplications.Youcreateanapplicationthatrequiresuserstobeauthenticatedbyadomaincontroller.Theapplicationcontainsaseriesofprocessorintensivemethodcallsthatrequiredifferentdatabaseconnections.Abugisreportedduringtesting.Thebugdescriptionstatesthattheapplicationhangsduringoneoftheprocessor-intensivecallsmorethan50percentofthetimeswhenthemethodisexecuted.Yourunittestforthesamemethodwassuccessful.Youneedtoreproducethebug.Whichtwofactorsshouldyouascertainfromthetester？（）

m 对象具有下面列出的公共属性。* Name* AisleNumber* OnDiscount你要使您的类来循环访问 ShoppingList 集合中，并列出每个产品的Name和AisleNumber，使用 foreach 语句。要实现这一目标的声明相应的代码。您应该使用哪个代码？（）

A.

B.

C.

D.

A. NetTcpContextBinding

B. BasicHttpContextBinding

C. NetTcpBinding

D. NetMsmqBinding

eb application. You define a number of properties that the user can set at design time. You need to group these properties in the Properties dialog box. In addition, you need to ensure that when users click on a particular property, they receive a short explanation of that property. The properties are shown in the exhibit. Which two actions should you perform?（）

A. Attach the Category attribute class to the controls class definition. Set its value to UserAddress. Mark the class as public.

B. Attach the Browsable attribute class to each property in the group. Set its value to True. Mark the property as private.

C. Attach the Category attribute class to each property in the group. Set its value to UserAddress. Mark the property as public.

D. Attach the Description attribute class to each property in the group. Set each value to a description of the given property.

E. Attach the DefaultProperty attribute class to each property in the group. Set each value to a description of the given property.

ctory domain. All servers run Windows Server 2008 R2.You need to ensure that the VPN connections between the main office and the branch offices meet the following requirements: &710;All data must be encrypted by using end-to-end encryption. &710; The VPN connection must use computer-level authentication. &710; User names and passwords cannot be used for authentication. What should you do？（）

A. Configure an IPsec connection to use tunnel mode and preshared key authentication.

B. Configure a PPTP connection to use version 2 of the MS-CHAP v2 authentication.

C. Configure a L2TP/IPsec connection to use the EAP-TLS authentication.

D. Configure a L2TP/IPsec connection to use version 2 of the MS-CHAP v2 authentication.