GB13614-92“短波无线电测向台（站）电磁环境要求”中规定，短波测向站与山脉（含上陵）的保护仰角应小于（）度。
A.2
B.5
C.10
参考答案：A
在Word 2000的编辑状态，要想为当前文档中的文字设定上标、下标效果，应当使用“格式”菜单中的( )。
A．“字体”命令
B．“段落”命令
C．“分栏”命令
D．“样式”命令
It was foolish of him to ____his notes during such an important test, and as a result, he got punished. [ ]
A. point to
B. keep to
C. stick to
D. refer to
