unit 4

2. To stop someone from doing something, by making them realize it will be difficult or have bad results
5. An instrument that measures how far you walk
7. A decrease in the quality, quantity, or importance of something
8. The hard pointed thing that grows, usually in pairs, on the heads of animals such as cows and goats
9. To become or make something become lower in price or value
10. Easy to control or deal with
12. Not paying enough attention to what you are doing, so that you make mistakes, damage things etc
13. The legal right to be the only producer or seller of a book, play, film, or record for a specific length of time
15. To deliberately pay no attention to something that you have been told or that you know about
16. The amount of money that you spend on something
18. A small flat plastic case containing magnetic tape, that can be used for playing or recording sound
19. Someone who is diligent works hard and is careful and thorough

1. To remove information from a computer memory or recorded sounds from a tape
3. A large quantity of something
4. Made up of different parts or materials
6. A change, discovery, or invention that brings progress technological/scientific/medical etc advance
9. An action or event that is a signal for something else to happen
11. To change, or to make someone or something change
14. A trick or something unusual that you do to make people notice someone or something – used to show disapproval
15. Used to emphasize a statement or answer
17. A very small cut made on the edge or surface of something