I. PRONUNCIATION (Unit 5,6) 1. a. oxygen b. supply 2. a. dust b. use 3. a. provide b. mineral 4. a. pile b. mile 5. a. odour b. vapour 6. a. exhaust b. hight 7. a. concentrate b. concern 8. a. pollen b. move 9. a. display b. dirty 10. a. sensible b. traffic 11. a. left- handed b. looked 12. a. oranges b. topics 13. a. student b. stupid 14. a. sheer b. feet 15. a. pleasant b. seat II. STRESS 1. a. provide b. even 2. a. combine b. emit 3. a. oxygen b. nitrogen 4. a. familiar b. atmosphere 5. a. photochemical b. contaminatr 6. a. forest b. supply 7. a. particle b. originally 8. a. nitrogen b. hydrogen 9. a. pollute b. produce 10. a. organic b. poisonous 11. a. investigate b. convenience 12. a. revolution b. perversity 13. a. detailed b. horseback 14. a. entrance b. practice 15. a. correct b. arrive
c. healthy c. music c. consider c. aside c. our c. hour c. centre c. pond c. invent c. city c. washed c. houses c. study c. meet c. heat c. account c. occur c. unpleasant c. influence c. manufacture c. garbage c. particular c. monoxide c. contain c. volcanic c. forefather c. explanation c. papal c. custom c. visit
d. slowly d. unit d. contaminate d. automobile d. favour d. honour d. camp d. popular d. investigate d. intend d. watched d. sentences d. studio d. bee d. team d. supply d. engine d. industry d. vehicle d. combination d. oxygen d. sulphuiric d. oxygen d. limit d. sulphuric d. American d. continental d. movement d. reverse d. throughout