公文应在( )装订。
A.左侧 B.右侧C.上面白边区 D.下面白边区
参考答案:A
解析: 公文应在左侧装订。
—I'm sorry I forgot to post the letter for you.
—_____. I'll post it myself, then. [ ]
A. Don't
B. That's OK
C. Take it easy
D. It's too bad
CDMA的接入方式全称为()。