在施工过程中，发生（）等情况时，承包人可以要求索赔。 ["业主要求赶工","监理工程师发出的通知有误","社会动乱","分包方违约","设计单位修改设计"]
You plan to host a Windows Communication Foundation （WCF） service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend？（） [" When Windows Azure initializes the worker role instance."," When the worker role instance receives its first request."," When the worker role instance instantiates the WCF service."," When the worker role instance enters the main execution thread."]
企业在生产经营中，除了投资者投入的资金外，还要借入一定数额的资金以降低财务风险。
转炉煤气柜柜型是（）。 ["稀油密封式煤气柜","干油密封式煤气柜","橡胶膜密封式煤气柜"]
下列（）格式不支持无损失压缩。 [" PNG"," JPEG"," TIFF"," GIF"]
药物作用具有两重性，其不良反应主要有哪些？
