参考答案
unit 1
1. cultural 2. remains 3. belonging 4. search 5. designed, style
6. gift, return 7. mirror 8. wonder 9. doubt 10. furniture
11. property, secretly 12. considered, evidence, proved 13. opinion, apart
14. pretend 15. highly 16. treasure 17. Besides, remove
unit 2
1. honest 2. ancient,. compete 3. interview 4. admitted 5. stadium
6gymnasium 7. replace 8. physical 9. relate 10. advertise
11. foolish 12. promised 13. athletes, gold, medals
unit 3
1. common 2. calculators 3. simple-minded 4. artificial, intelligence
5. advantages, disadvantages 6. choice 7. Personally, disgree . 8. materials
9. coach 10. wandering 11. mop 12. brain
unit 4
1. protect, enemies 2. stomachs 3. apply, government, for permission 4. suggested
5. contains, including 6. Mosquitors, insect 7. affected 8. attention 9. butterflies
10. powerful 11. effect 12. danger
unit 5
1. dreamed 2. clapping,. honest 3. formed 4. passers-by, earn, extra
5. jokes 6. loosely 7. advertisement 8. attractive, fans 9. instruments
10. broke 11. performance 12. saying 13. stick 14. reputation
15. ability 16. unknown