As th socity dvloping,noisy has ffct our halthy and work.Th rsult of noisy is that popl dont protct our nvironmnt.Thy think our socity is dvloping so fast,noisy is lss and lss important.But,if w dont hav a good nvironmnt,how should w dvlop our livs? Lts kp us from th noisy.W should hav a quit and good nvironmnt to study and work.And only by this can w dvlop wll.I think that vryon maks a contribution to protct our nvironmnt,th noisy can disappar soonr or latr,our world can bcom mor and mor bautiful.