11. A) The injury will confine Anna to bed for quite a while.

　　12. C) She can get a ballet ticket for the man.

　　13. A) He has to do other repairs first.

　　14. C) Give his contribution some time later.

　　15. D) Tell Tony’s mother that she eats no meat.

　　16. B) The coverage of newspapers.

　　17. C) Limit the number of participants in the conference.

　　18A) The apartment is still available.

　　19. D) to see if dolphins can communicate with each other.

　　20. A) Press the right-hand lever first.

　　21. C) Only one dolphin was able to see the light

　　22. B) In a resort town.

　　23. D) It is an ideal place for people to retire to.

　　24. D) It is protected as parkland by a special law.

　　25. C) The beautiful flowers.

　　26. C. He specialized in interpersonal relationship.

　　27. D. Black freshman with high standardized scores.

　　28. C. They broke up more often than same-race roommates.

　　29, C. The racial attitudes improved.

　　30, A. It will help solve the global food crisis.

　　31, D. It is still far from being sufficient.

　　32, D. They are not as natural as we believed.

　　33, A. He was wrongly imprisoned

　　34, A. The two victims’ identification

　　35, B. Many factors influence the accuracy of witness testimony.

　　36. slight

　　37. official

　　38. shrinking

　　39. plunge

　　40. decline

　　41. primary

　　42. heads

　　43. Poverty

　　44. Hampered by higher taxes and weak demand for its exports, Mexico's economy is seen only partially recovering this year.

　　45. Mexico has historically had high drop-out rates as poor families pull kids out of school to help put food on the table，

　　46. The nation's drop-out problem is just the latest bad news for the long-term competitiveness of the Mexican economy.