I was recent told that listening to loud music is gradually 1. ______making people hard of hearing. I'm sure it has already been 2. ______happened to my neighbor. For years she has turned a deaf 3. ______ear to my requests to turn her radio down. When she gave a 4. ______party she isn't have to invite the rest of the street. Everyone 5. ______can dance in her music in his own room. Now a scientist has 6. ______discovered a certain electronic sounds have strange effects on7. ______rats. He declares they break down, almost paralyze(瘫) with 8. ______legs trembled. Then it is simply a matter of throwing them 9. ______out by their tail. I wonder if the same thing will happen to 10. _____my neighbor someday.