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.

使用稳压二极管时应注意极性不能接错，否则会造成电源（）。

A、短路

B、断路