audio1 of unit 4

3. adj. having the practical knowledge or skills to do sth.
6. n./v. an area, surface, object, or person aimed at
7. n. the basic systems and services that are necessary for a country or an orgainzation to run smoothly
8. n. the unfair treatment of people who belong to a different race.
11. V. to prevent sb. or sth. from entering or participating

1. v. to begin to exist or appear for the first time
2. n. a variety of something such as opinion, color or style
4. sdj. lacking knowledge or education in general or in a specific subject
5. adj./ n. connected with or belonging to a nation, race or people that shares a cultural tradition
9. v. move from one town , country , etc. to go and live and /or work in another
10. n./v. an unreasonable oponion or feeling, especially an irrational one, based on insufficient knowledge