选词填空。

爱惜 珍惜

我们要____时间。

同学们要____学习用品。

下列各项中的改句与原句相比，意思发生了明显变化的一项是（     ）

阅读理解

      Do you need friends? I'm sure your answer is "Yes, of course. Everybody does! "You need friends when you play and when you work. If you have friends, you will feel happy. If you have no friends, you will feel lonely.

      Do you know how to make friends? There is only one good way—You make friends by being friendly.

      A friendly person is interested in other people. He is always helpful. If you want to make friends with a new classmate, you can talk with him, tell him about the other classmates in your class and try your best to be helpful to him.