燃气管道不停输封堵技术是利用（）原理进行的。
王勃的诗歌佳句“海内存知已，天涯若比邻”或有所本，予以启迪的作品的作者是（） ["鲍照","左思","曹植","王粲"]
DNA重排技术将2种以上同源基因中的正突变结合在一起，通过DNA的碱基序列的（），形成新的突变基因，属于（）。
Your network contains a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 is configured as shown in the following table. Disk1 fails. You remove Disk1 from the computer and install Disk4. You open the Disk Management snap-in and discover that the status of Disk1 is Missing. You bring Disk4 online as a dynamic disk. Disk4 has no volume on it. You need to add Disk4 to the RAID-5 volume for drive C. What should you do from the Disk Management snap-in? （） [" From the Action menu, select Rescan disks."," Right-click on Disk4 and create a spanned volume."," Right-click on Disk2 and then click Repair Volume."," Right-click on Disk1 and then click Reactivate Disk."]
国家的核心竞争力是由（）构成的。 ["军事","人才","制度","创新"]
论公安专业学生为什么要学习法医学？
