AutoCAD保存文件的快捷键是__________，另存为文件的快捷键是__________。 A: control+s,control+n B: control+s,shift+s C: control+s,control+shift+s D: control+shift+s,control+s

词汇与结构 The ailerons provide roll control around the airplane’s _________ axis. The ailerons are positioned by pilots’ control wheels.

词汇与结构 The elevators provide pitch control around the airplane’s _________ axis. The elevators are positioned by the pilots’ control column.

找命令的快捷键是：（） A: Control（Windows）/Command（MacOS）+C B: Control（Windows）/Command（MacOS）+M C: Control（Windows）/Command（MacOS）+F D: Control（Windows）/Command（MacOS）+S

在ExCEL中“保存”选项的快捷键是（）。 A: A1t十S； B: Shift十S； C: Ctrl十S； D: Shift十A1t十S

The visitor is amazed that the bell can control people’s work and rest.

Common fixed costs are not under the direct control of the center’s managers.

在Windows7中选择全部文件夹或文件的快捷键是（ ）。 A: 〈Shift〉+A B: 〈Ctrl〉+A C: 〈Shift〉+S D: 〈Ctrl〉+S

常用快捷键： Ctrl S，Ctrl shift F，shift alt up分别是什么功能

The electronic control system mainly contains electronic ignition control, electronic fuel injection control, ABS controls, etc., which respectively improve car’s performance , fuel economy, safety, emission purification and maneuverability．