第24题:[单项选择]<br><br><br/>A.as<br/>B.unless<br/>C.while<br/>D.so<br/>参考答案:A 答案解析:[解析] as“当……时刻,在……期间,如I watched her as she combed her hair”;unless“除非,除非在……时候”,while“在……时候,在……期间(两个动作
第33题: [单项选择]You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?() A. ChannelFactory<tchannel> B. ServiceHost C. ClientRuntime D. CommunicationObject 参考答案:A