1. B (benefits …)

　　2. C (more businesses)

　　3. B (improved …)

　　4. B (they look for)

　　5. A (offering …)

　　6. D (support …)

　　7. B (keep …)

　　8. home life

　　9. productive

　　10. improve productivity

　　11. A They prefer to carry cash when traveling abroad.

　　12. C Rod was eliminated in the selection process.

　　13. A The concert is very impressive.

　　14. B They have known each other since their schooldays.

　　15. C Stop for the night.

　　16. A Survey results.

　　17. D He would rather the woman didn't buy the blouse.

　　18. C The notice may not be reliable.

　　19. D A manager at a computer store.

　　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.

　　31.B

　　32.C

　　33.B

　　34.A

　　35.C

　　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 bring up some memory that is related to it

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

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

　　47. a driver’s attention

　　48. equivalent in difficulty to driving

　　49. more time

　　50. more complicated task

　　51. punishment