短文填词。

     (1)O            Sundays, we like (2)g            to the movies. My (3)f            movies are (4)t            .

Some people think they're scary but I like (5)t             very much. I don't like (6)d             because they

are boring. But some people like them because they learn about (7)h             and other things. I (8)o          

go to movies (9)w            my classmates. But now I'm very busy I don't have (10)t            to see movies.

在UNIX操作系统中，把输入/输出设备看做（）。

A．普通文件

B．目录文件

C．索引文件

D．特殊文件