Perhaps the most interesting person I have ever met is an Italian professor of philosophy who teaches at the University of Pisa. ___36___ I last met this man eight years ago, I have not forgotten his ___37___qualities. First of all, I respected his ___38___ to teaching. Because his lectures were always well-prepared and clearly delivered, students crowded into his classroom. His followers liked the fact that he ___39___ what he taught. Further more, he could be counted on to explain his ideas in an ___40___ way, introducing such aids(辅助) to ___41___ as oil paintings, music, and guest lectures. Once he ___42___ sang a song in class in order to make a point clear. ___43___, I admired the fact that he would talk to students outside the classroom or talk with them ___44___ the telephone. Drinking coffee in the cafe, he would easily make friends with students. Sometimes he would ___45___ a student to a game of chess(国际象棋). ___46___, he would join students groups to discuss a variety of ___47___: agriculture, diving and mathematics. Many young people visited him in his office for ___48___ on their studies; others came to his home for social evenings. Finally, I was ___49___ by his lively sense of humor(幽默). He believed that no lesson is a success ___50___, during it the students and the professor ___51___ at least one loud ___52___. Through his sense of humor, he made learning more ___53___ and more lasting. If it is ___54___ that life makes a wise man smile and a foolish man cry, ___55___ my friend is indeed a wise man. 36. A. Although     B. When  C. Even if      D. Now that 37. A. basic    B. special       C. common     D. particular 38. A. attention      B. introduction       C. relation      D. devotion 39. A. insisted on   B. talked about       C. believed in D. agreed with 40. A. imaginative  B. ordinary     C. opposite     D. open 41. A. listening      B. understanding    C. information       D. discovery 42. A. also      B. nearly C. even   D. only 43. A. Later    B. Secondly    C. However    D. Therefore 44. A. with     B. by      C. from   D. on 45. A. invite   B. lead    C. prefer D. show 46. A. As a matter of fact      B. Later on C. Other times             D. In general 47. A. questions     B. subjects      C. matters       D. contents 48. A. support B. explanation C. experience  D. advice 49. A. disturbed     B. moved       C. attracted     D. defeated 50. A. for       B. until   C. since   D. unless 51. A. hear     B. suggest       C. share   D. demand 52. A. laugh    B. cry     C. shout  D. question 53. A. helpful B. enjoyable   C. practical     D. useful 54. A. natural  B. normal       C. hopeful      D. true 55. A. so B. for      C. then    D. yet