填空题 Complete the sentences with words or the expression from these words. battery memory hard drive laptop specification monitor speaker gigabyte desktop keyboard 1. This machine demands high __________. 2. The __________ and mouse send your input to the operating system. 3. The heart __________ shows low levels of conciousness. 4. This radio needs two __________. 5. Even though we say __________ that really means billion bytes. 6. This mobile has got 16 gigs of __________. 7. He prefers __________ to laptops. 8. The __________ is a bit low so that I can't hear the voice clearly. 9. She used to work at her __________ until 4 in the morning. 10. If the problem still occurs, your __________ may be broken