对“清除屏幕”操作进行切换的快捷键是A.Ctrl+0B.Ctrl+1C.Ctrl+2D.Ctrl+3 对“清除屏幕”操作进行切换的快捷键是A.Ctrl+0B.Ctrl+1C.Ctrl+2D.Ctrl+3 分类:工程制图及电气CAD 题型:选择题 查看答案
She is my best friend, so I know her very _____. ( She is my best friend, so I know her very _____. ( )(本题3.0分) A、 good B、 fine C 分类:工程制图及电气CAD 题型:选择题 查看答案