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