学生关系中的院系号属性与院系关系中的院系号主码属性相对应，则（）属性为（）关系中的外码。
尼可刹米是（） ["大脑兴奋药","呼吸中枢抑制药","呼吸中枢兴奋药","脊髓兴奋药"]
施工质量控制应以控制（）的因素为基本出发点。 ["人","材料","机械","方法"]
涡轮增压器在进气系统中的作用是（）。 ["将燃料／空气混合物传送到燃烧室","从排气歧管中排放废气","增大进气量","使喷油嘴处的燃料／空气混合气产生漩涡"]
Your network consists of an Active Directory domain named contoso.com. You have a domain controller named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). From Windows Backup, you run the Backup Wizard and select the All information on this computer option. You need to restore the data contained in the Netlogon share on Server1. You must achieve this goal by incurring the minimum amount of downtime. What should you restore? （） [" system state"," %programfiles%\\common files\\microsoft shared folder"," %systemroot%\\ntds folder"," %systemroot%\\sysvol\\sysvol\\contoso.com\\scripts folder"]
如何利用胃内容物推断死亡时间
