中标人确定后，招标人应（）。 ["向中标人发出通知书，可不将中标结果通知未中标人，但须退还投标保证金或保函","向中标人发出通知书，同时将中标结果通知未中标人，但无须退还投标保证金或保函","向中标人发出通知书，可不将中标结果通知未中标人，也可不必退还投标保证金或保函","向中标人发出通知书，同时将中标结果通知所有未中标人，并向未中标人退还投标保证金"]
You have Exchange Server 2003 organization. The organization contains a front-end server named FE1 and a back-end server named BE1. FE1 is accessible from the Internet by using mail.contoso.com. You plan to transition the organization to Exchange Server 2010. You will deploy a Mailbox server named MBX1 and a Client Access server named CAS1. Users will access Outlook Web App （OWA） by using the URL https：//mail.contoso.com. You need to recommend a DNS configuration for the external name of mail.contoso.com. Which server should be associated with the name mail.contoso.com？（） ["BE1","CAS1","FE1","MBX1"]
铝合金如何分类？
施工现场照明条件属于影响施工质量环境因素中的（）。 ["自然环境因素","施工质量管理环境因素","技术环境因素","作业环境因素"]
在信息化项目最主要的三个约束中，不包括进度约束和成本约束在内。
吴门四家
