为了增强版面的可读性与实用性，经常将文稿进行分栏设置。如果要取消分栏时，在“分栏”对话框中，设置分栏的数目为（）。

A．1

B．2

C．12

D．0

阅读短文，判断正(T)误(F)。

      This is our classroom. It's very big and bright (明亮的). I like it very much. There are twenty desks in

the classroom. And there are nineteen boys and eleven girls in our classroom. Mr. Wang is our teacher. He is

a good teacher.

( ) 1. Our classroom is very big.

( ) 2. There are twelve desks in the classroom.

( ) 3. Mr. Wang is our teacher.

( ) 4. There are thirty children in the classroom.