在Word 2003中文版中,单击【常用工具栏】中的【更改文字方向】按钮,就可以将()变成竖排。
A.指定文本块
B.指定行
C.首行
D.整个文档
参考答案:D
Daniel is a good student. He ________ his lessons. [ ]
A. all likes
B. likes all
C. is all likes
D. is likes all
DCS操作系统MFT动作后,锅炉在启动风机前,应先做哪些准备?