省委、省政府《关于进一步加强安全生产工作的意见》对各行业主管部门安全生产工作职责的要求是什么？
A self-hosted Windows Communication Foundation (WCF) service uses a secure HTTP binding with a custom principal permission mode. The binding requires users to provide their Windows logon credentials. You need to retrieve the identity of the caller.What are two possible properties you can use to achieve this goal? (Each correct answer presents a complete solution Choose two)（） [" Thread.CurrentPrincipal.Identity.Name"," HttpContext.Current.User.Identity.Name"," ServiceSecurityContext.Current.PrimaryIdentity.Name"," OperationContext.Current.ServiceSecurityContext.PrimaryIdentity.Name"]
You copy a Web site from a development site to a staging site. You do not have the Web site in a source control application. Another developer begins to fix bugs on the staging site while the development team adds features on the development site. You need to synchronize the development site and the staging site and copy the latest version of each file to both locations. What should you do? （） [" Use the Copy Web tool."," Create a Web Setup project."," Use the Publish Web tool."," Use the command line to XCOPY the files."]
试述如何对系统进行测试。
促进国民经济又好又快发展，要深化对社会主义市场经济规律的认识，从制度上更好发挥（）在资源配置中的基础性（现为“决定性”）作用。 ["市场","政府","市场与政府","计划"]
简要分析RS-232接口的特性。
