sound有“声音”之意，含义最广，指可以听到的任何声音。如：a weak sound微弱的声音；a sharp sound 尖锐的声音。
noise有“嗓音，嘈杂声，吵闹声”之意，特指不悦耳、不和谐的声音。它既可作可数名词，也可作不可数名词。
voice指“声音”，多指人声带发出的声音，包括说话声、歌声和笑声，有时也引申为“意见、发言权”。
请看下面的例句：
1、Does it sound like music?" — "I wouldn't go that far."
“这听上去像音乐吗？”——“我可不那样认为。”
2、Peter heard the sound of gunfire.
彼得听见了枪炮声。
3、Liza was so frightened she couldn't make a sound.
莉莎惊吓得发不出任何声音。
4、There was too much noise in the room and he needed peace.
房间里有太多噪音了，他需要安静。
5、"The police are here," she said in a low voice.
“警察在这儿，”她低声说。
6、She's got a great voice and is singing better than ever.
她的嗓音非常好，现在的唱功比以往任何时候都要好。
大家做一下下面的习题:
1. _______ can travel over very large distances in water.声音在水中能传播得很远。
2.The _______ out in the street was deafening.外面街道上的喧闹声震耳欲聋。
3.She has a soft _______ .她说话声音很大很柔。
答案
1.sound 2.noise 3.voice
