阅读理解。

      It was Jimmy's fifth birthday. He got quite a lot of nice birthday presents from his family, and one of them was a beautiful big drum(鼓).

    “Who gave him that thing?” Jimmy's father asked when he saw it.

    “His grandfather did,” answered Jimmy's mother.

    “Oh,” said his father.

     Of course, Jimmy liked his drum very much. He made a terrible noise with it, but his mother did not mind. His father was working during the day, and Jimmy was in bed when he got home in the evening, so he did not hear the noise.

    But one of the neighbours did not like the noise at all. So one morning a few days later, she took a knife and went to Jimmy's house while he was playing his drum. She said to him, “Hello, Jimmy. Do you know there's something very nice inside your drum? Here's a knife. Open the drum and let's find it.”

上初中以来，小明发生了很大的变化，总是为自己的个子没有同学高而烦恼；对班上同学及班级的事务更是漠不关心，经常独来独往；近段时间来，更是对奇装异服发生兴趣，经常打扮得稀奇古怪来到教室，同学说他，他却回答，你们懂什么，这叫“潮”。

为帮助小明走出误区，请运用所学知识，针对划线内容，对小明提出劝告。