单项选择题
You have just added a CD.ROM drive (/dev/hdd) to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom?()
A. mount /dev/cdrom /mnt/cdrom B. mount/dev/cdrom C. mount -t cdrom /dev/cdrom /mnt/cdrom D. mount /mnt/cdrom E. automount /mnt/hdd /mnt/cdrom
单项选择题 程序代码:Text1.Text="VisualBasic程序设计"则Text1,Text,和"VisualBasic程序设计"分别代表()。
单项选择题 关系数据库中,实现实体之间的联系是通过表与表之间的()。
多项选择题 模型试验对模型材料有下列哪几项()