根据短文内容和首字母填空。

     Look at the (1)p_____. It's a picture (2)o_____ a classroom. (3)W_____  can you see (4)i_____  the

classroom? I can see a (5)b_____ desk in the front of the classroom. Some books are (6)o_____ the desk.

What other things can you see on the teacher's desk? I can see two white (7)b_____ . There is some chalk

(8)i_____ them. Where (9)a_____ the brooms? They are (10)b_____ the door.

通过Windows 98的开始菜单中的“运行”项，可以()。

A．运行DOS的所有命令

B．运行DOS的外部命令

C．运行DOS的内部命令

D．运行DOS的外部命令和可执行命令