A．TabB．Caps LockC．AltD．Ctrl在Excel中，可先按下（ ）键不放，再用鼠标单击工作表……

单项选择题下列关于自选图形的描述中，错误的是（ ）。

单项选择题在Word中，将文档切换到（ ）视图方式就可以直接观察到页眉和页脚的效果。

单项选择题在Word中，“编辑”中“替换”功能的快捷键是（ ）。

单项选择题19().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

单项选择题18().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.