泛指噪声时,是不可数名词,如The is too much noise outside./ Don't make noise./ Noise is harful to one's health.
指某一种或者某一次声响或者声音时,是可数名词,如：I was watching TV at home when suddenly I heard a strange noise at the door.Be quiet Dont make so much_____.The baby is sleeping. a.noise b. noises c,sounds d, voice为什么？A.noise 噪音，不可数，有前面的much为证。