noise的形容词形式比较级是？

　　例句：

　　What is that infernal noise.

　　这可恶的噪音是什么。

　　They were making too much noise.

　　他们的噪声太大了。

　　A sudden noise startled her.

　　突然发出的响声吓了她一跳。

　　Someone made a rude noise.

　　有人发出了淫猥的噪音。

　　The noise began to lessen.

　　噪音开始减弱。