根据图画填空，每空一词。

1. — Did you _____ to the cinema yesterday?

    —Yes, I _____ a great film.

2. —_____ did they do after school?  

    —They _____ football.  

3. —_____ kind of drink would you like?

    —I'd like _____ drink.    

4. —What movie do you _____ like seeing?

    —_____. It is my favourite.

5. —_____ you buy a book for your father?

    —No, I didn't. I _____ a bike for him.

当打开PC机电源时，会在显示器上看到内存数目快速递增的显示、软硬盘驱动器指示灯闪亮并伴有磁头复位动作等现象，这些都说明PC机在实施______。