一个菜单含有若干命令项，其中命令项后带有符号“●”说明
A. 命令项不可选用
B. 鼠标指向时，会弹出一个子菜单
C. 分组菜单中有此标记时表示被选中
D. 执行后会打开一个对话框
查看答案
在PowerPoint 2000 中，选择“文件”菜单下的“保存”命令其快捷键是
A. Ctrl+P
B. Ctrl+O
Ctrl+S
D. Ctrl+N
单元格最小地址为
A0
B. A1
C. 空格
D. IV65536
Which of the following statements about Mr. Teitelbaum is true？
A. He founded the company New Tribe.
B. His father is ashamed of his son's hobby.
C. His company deals in tree-climbing equipment.
D. He got a certificate for tree-climbing.
插入文档时，操作键Home表示
A. 上移一屏
B. 移至行首
C. 移至文档首部
D. 移至当前段首
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