在窗体上有一个名为Cd1的通用对话框，为了在运行程序时打开保存文件对话框，则在程序中应使用的语句是 A: Cd1.Action=2 B: Cd1.Action=1 C: Cd1.ShowSave=Ture D: Cd1.ShowSave=0

请给出下列命令的执行结果： (1)cd / (2)cd .. (3)cd ../.. (4)cd

已知通用对话框名为Cdlg，则执行下列的______语句，将弹出“另存为”对话框。 A: Cdl Action=1 B: Cdl Action=2 C: Cdl Action=4 D: Cdl Action=3

已知通用对话框名为Cdlg，则执行下列的______语句，将弹出“打开文件”对话框。 A: Cdl Action=1 B: Cdl Action= 2 C: Cdl Action=4 D: Cdl Action=3

Companycom has five LPARs, but only one CD drive. How should the CD drive be shared among all the users without system administrator action?（） A: Allocate the CD to the VIO Server and NFS export the CD to the user LPARs B: Allocate the CD to one of the user LPARs and config the VIO Server to NFS import it C: Allocate the CD to the VIO Server and the LPARs will share it as a Virtual SCSI device D: Allocate the CD to one of the user LPARs and NFS export it to the remaining user LPARs

Companycom has five LPARs, but only one CD drive. How should the CD drive be shared among all the users without system administrator action?（） A: Allocate the CD to the VIO Server and NFS export the CD to the user LPARs B: Allocate the CD to one of the user LPARs and config the VIO Server to NFS import it C: Allocate the CD to the VIO Server and the LPARs will share it as a Virtual SCSI device D: Allocate the CD to one of the user LPARs and NFS export it to the remaining user LPAR

如图：已知AB∥CD，∠1=∠2。说明BE∥CF。因为AB∥CD

已知线段AB上有两点C、D且AC∶CB=1∶5，CD∶AB=1∶3，则AC∶CD等于（）。 A: 1∶2 B: 1∶3 C: 2∶3 D: 1∶1

1) Martin Luther King, Jr’s action sparked protests by black residents.

将线段AB延长到C,使BC=1/2AB,延长BC到D,使CD=1/2BC,延长CD到E,使DE=1