高炉煤气的一氧化碳含量是23%-30%，其爆炸极限是（）%。 4~36。 35~72。 12~75。 7~75。
Your network consists of a single Active Directory domain. You have two servers named Server1 and Server2 that run Windows Server 2003 Service Pack 2 (SP2). Server1 is the site license server for the Default-First-Site-Name site. You need to configure Server2 to be the site license server. What should you do? （） From the Licensing console on Server1, modify the Products View configuration.。 From the Licensing Control Panel applet on Server2, modify the Replication configuration.。 From the Active Directory Sites and Services console, modify the Licensing Site Settings.。 From the Active Directory Users and Computers console, modify the AdminSDHolder object.。
增加同企业现有产品或劳务相类似的新产品或新劳务，这是（） 集中发展战略。 纵向一体化战略。 横向一体化战略。 同心多样化战略。
工业锅炉的排烟温度越高，排烟损失（） 越大。 越小。 不变。
You want to configure a multiboot system with Windows NT Workstation and Windows 2000 Professional. What should you do？（） When installing Windows 2000 Professional run chkdisk in Windows NT Workstation.。 Disable the disk compression in Windows NT Workstation.。 Install service pack four or later in Windows NT Workstation.。 Install the distributed file system client on the Windows NT Workstation.。
双回路液压制动系统中任一回路失效，此时（）。
