20. A Handling customer complaints.

　　21. C She wants to be with her husband.

　　22. D Early next month.

　　23. B It will be a major economic power by the mid-21st century.

　　24. D The huge gap between the haves and have-nots.

　　25. C They attach great importance to education.

　　26. A She engaged in field research on environmental pollution.

　　27. A The job restricted her from revealing her findings.

　　28. B Many toxic sites in America have been cleaned up.

　　29. D Her ability to communicate through public speaking.

　　30.D The accelerated pace of globalization.

　　31.B Gain a deep understanding of their own culture.

　　32.C The labor market is getting globalised

　　33.B Brown-haired women are rated as more capable.

　　34.A They are shrewd and dishonest.

　　35.C They hinder our perception of individual difference.

　　36. derived

　　37. immense

　　38. convenient

　　39. accuracy

　　40. largely

　　41. instant

　　42. recalls

　　43. texture

　　44. This means that any thought about a certain subject will often bring up more memories that are related to it.

　　45. Associations do not have to be logical. They just have to make a good link.

　　46. If you remember the shape of Italy, it is because you have been told at some time that Italy is shaped like a boot.