KEYS：
1. is jeopardizing
2. consumer protection organizations
3. welcomed development
4. protect the interests of
5. become over-dependent on professional workers
6. your self-esteem and relationships
7. the art of persistence
8. not-so-pleasant messages
9. “Don’t make a scene”
10. assertiveness training
11. When a record is scratched
12. jump to turn it off
13. in an assertive and relaxed manner
14. agrees to negotiate with you
15. in danger of being abused
16. articulate but irrelevant arguments
17. have nothing more to worry about
18. abusive or manipulative
19. a self-protective skill
20. your time and energy is precious
1. C 2. D 3. A 4. B 5. C
6. C 7. B 8. B 9. C 10. D
