通读下面短文，掌握其大意，然后在各题所给的四个选项（A、B、C和D）中选出最佳选项。

I have two really good friends, Nancy and Richard. They both believe in the __31____ of positive thinking. However, though their personalities are __32___, they are totally different in other areas of their lives. The biggest differences are their _33___, career choices, and way of life.

　 Love and care __34____ Nancy’s childhood, she, along with her younger sister, was __35___ by her mother and father. Nancy’s parents paid much attention to her schoolwork, making her excellent at school. On the other hand, Richard’s childhood lacked love. His parents__36__ him up to his grandparents when they failed to take care of him properly. His grandmother took care of him for most of his growing up years. Moreover, since his sister did not live with him, he never really got to ___37__ her.

Another difference is their career choice. Nancy has always been a caretaker and made a choice to work in all kinds of different _38___ settings: doctor’s offices, hospitals, nursing homes and a visiting nurse. Her __39___ part was working with pediatrics (小儿科)。 However， Richard _40___ to work in the business world, he prefers to work with _41___ rather than with people.

A third difference is their__42___. Nancy is always on the go. She goes to yard sales, out to eat, and enjoys nature. She is __43____; has five children, thirteen grandchildren, several great-grandchildren. In contrast, Richard likes to stay home and do things alone. He is single and has no children.

I am very __44____ for the fact that I have two similar yet very different friends, Nancy and Richard. This has __45____ me that anyone can be a positive thinker. And it is also what makes my friendship with both of them very interesting and challenging.

31. A. energy　　　　 B. power　　　 C. ability　　　 D. effort

32. A. strong　 　　　 　 B. special　　　 C. impressive　 D. similar

33. A. childhood　　　 B. education　　 C. appearance　 D. family
34. A. affected　　　　 B. filled　　　 C. influenced　　 D. controlled

35. A. brought　　　　 B. moved　　　 C. raised　　　 D. changed

36. A. took　　　　　　 B. picked　　　 C. called　　　 D. gave

37. A. visit　　　　　　 B. know　　　 C. phone　　　 D. touch

38. A. medical　　　　 B. physical　　 C. political　　 D. chemical

39. A. difficult　　　　 B. complete　　 C. favorite　　　 D. natural

40. A. agreed　　　　　 B. refused　　　 C. chose　　　 D. remembered

41. A. machines　　　　 B. exhibitions　 C. agreements　 D. coins

42. A. hobby　　　　　 B. custom　　　 C. habit　　　 D. lifestyle

43. A. beautiful　　　　 B. confident　　 C. famous　　 D. married

44. A. anxious　　　　　 B. thankful　　 C. sorry　　　 D. ready

45. A. reminded　　　　 B. made　　　 C. taught　　　 D. encouraged