题目

Several years ago, we moved into the apartment where we live now. When my friends helped me move in, the downstairs neighbors began to  36  about the noise. I could do  37  about it. After all, noises are unavoidable(不可避免的).How can anyone move in  38  . Still  39  ,the complaints continued on a daily basis—well after the first day. We walked “too loudly”down the stairs, we laughed too often, we opened and closed the door too many times…They had many  40  to complain. Nobody can stand the endless complaints and quarrels. I soon learned that they had  41  th如图所示的下列措施中，为了减小压强的是: