UNIT 4

3. a change, discovery, or invention that brings progress.
5. to move information or programs from a computer network to a small computer.
7. to improve the way that something is done or used so that it is as effective as possible.
8. to show a feeling or attitude.
11. when something or someone is liked or supported by a lot of people.
13. a decrease in the quality, quantity, or importance of something.
14. not paying enough attention to what you are doing.
16. Image of packagesomething wrapped in paper, packed in a box, and then sent by mail or delivered.
19. to remove information from a computer memory or recorded sounds from a tape.
20. to behave as if you had not heard or seen someone or something.

1. to look angrily at someone for a long time.
2. to fully enjoy the taste or smell of something.
4. made up of different parts or materials.
6. a method of doing something or dealing with a problem.
9. the amount of money that you spend on something.
10. the state of being free from public attention.
12. the thing that is measured in minutes, hours, days, years etc using clocks.
15. to improve the quality of something, especially by adding things to it.
17. if you are aware that a situation exists, you realize or know that it exists.
18. a place where an organized meeting, concert etc takes place.