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