单翼采区
参考答案:
是指采区的上(下)山布置在采区走向一侧边界附近的采区。
The menu has so many good things. I can't decide __________. [ ]
A. what to eat
B. how to eat
C. where to eat
D. when to eat
若要对当前正在编辑的Word文件加“打开权限密码”,则需选择 (47) 命令,然后切换到[安全性]选项卡并按相关提示进行操作即可。
A.[插入]菜单的[文件] B.[文件]菜单的[权限]C.[工具]菜单的[选项] D.[编辑]菜单的[对象]