题目

   When a consumer finds that something he or she bought is faulty or in some other way does not live up to what the producer says for it , the first step is to present the warranty(保单)，or any other records that might help, at the store of buying. In most cases, this action will produce results. However, if it does not, there are various means the consumer may use to gain satisfaction.    A simple and common method used by many consumers is to complain directly to the store manager. In general, the “higher up” the consumer takes his or her complaint, the faster he or she can expe2．一条长约千米的半椭圆形隔音屏南北向纵跨北京动物园上空，这是为了避免给动物带来噪音而精心设计的．它是京城第一条全封闭隔音屏道路，银灰色的空中通道似飞跃的“蛟龙”显得格外壮观（如图所示），建造全封闭隔音屏这种防治噪声的方法属于（　　）A．在噪声的产生环节防治噪声B．在噪声传播环节防治噪声C．在噪声的接受环节防治噪声D．以上都不是