42. A. nature　 B. body C. power　 D. trade

43. A. live　 B. wild C. large D. trapped

44. A. protect　　 B. move C. use　　　 D. improve

45. A. put up with　　　B. caught up with C. come up with　 D. kept up with

46. A. pressure　 B. distance C. speed　 D. conflict

47. A. farmers　 B. workers C. gardeners　 D. experts

48. A. clear　　　 B. water C. find　　 　 D. plan

五、短文改错（共10小题；每小题1分，满分10分）

　　Yuan Longping, one of China's most famous scientist and the Father of Super Hybrid Rice, has made great achievements in agriculture both home and abroad. In 1953 which Yuan Longping graduated from college, hunger was a disturbing problem in much parts of the countryside. To solve the problem, Yuan Longping struggled to find a new way to improve harvests without expand the area of the fields. Through many years' hard work, Yuan Longping developed that was called "super hybrid rice" in 1973. He became the first agricultural pioneer in the world to growing rice that has a high output. He has also circulated his knowledge to some other countries. Thanks to his research, the UN has more tools in the battle to rid the world with hunger. Yuan Longping is satisfied with his life but he would like to have more freedom to do their research. Although he is famous, but he wants to lead a simple life and has a dream to export his rice so that it can be grown around the world.