Most people hate rock music.?(31) ___ I am not an unreasonable or biased person (32)___nature, two vivid and striking (33) __ experiences of rock?music?during?the?past?two?weeks?have persuaded me that it has become a(n) (34) __ for those of us with enough common sense to see its(35)___ dangers to point them out.?My first experience--perhaps a minor one, (36) __ highly symptomatic--was the realization that if I spoke to my teenage son when he was listening to rock music (37)___ headphones, he replied in an unnaturally loud voice,?(38)_ there was something wrong with his hearing. The second occurred when I went with him to a "concert" and witnessed for myself (39) __ these affairs are like. Till I went to the concert, I had always (40) __ the?"live and let live" attitude that rock music was simply not my (41)?__ but that other people had (42) right to enjoy it if it was theirs.

But what I saw and heard (43) __ me that we are allowing something very powerful to take (44)___ of the younger generation. In the first place, I noticed a collective madness, (45) by the noise level. But secondly, and (46) __ dangerously, I observed that after a time everyone was carried (47) __ by the noise, and gave up his/her individuality. By the end I was in the middle of a faceless crowd who clapped and (48)_ and jumped?around?like?monkeys.?It was the most degrading human (49)___ I have ever had the misfortune to witness, and I seriously believe that in time to come our present younger generation would thank us if we managed to (50) __ a stop to it now.

31. A. When?
　　B. While
　　C. If?
　　D. As

32. A. in?
　　B. of
　　C. with?
　　D. by

33. A. private?
　　B. personal
　　C. individual?
　　D. own

34. A. job?
　　B. obligation
　　C. duty?
　　D. virtue

35. A. potential?
　　B. obvious
　　C. temporary?
　　D. apparent

36. A. but?
　　B. and
　　C. even?
　　D. so

37. A. by?
　　B. over
　　C. behind?
　　D. through

38. A. since?
　　B. for
　　C. as if?
　　D. in case

39. A. /?
　　B. what
　　C. how?
　　D. which

40. A. adapted?
　　B. adopted
　　C. taken?
　　D. accepted

41. A. enjoyment?
　　B. preference
　　C. option?
　　D. taste

42. A. every?
　　B. all
　　C. no?
　　D. some

43. A. concerned?
　　B. persuaded
　　C. convinced?
　　D. ignited

44. A. care?
　　B. attention
　　C. charge?
　　D. possession

45. A. bringing about?
　　B. brought about
　　C. bringing forward?
　　D. brought forward

46. A. far more?
　　B. much too
　　C. as much as?
　　D. too much

47. A. over?
　　B. off
　　C. along?
　　D. out

48. A. sat?
　　B. stood
　　C. paced?
　　D. stamped

49. A. situation?
　　B. spectacle
　　C. scene?
　　D. stage

50. A. put?
　　B. let
　　C. form?
　　D. make