收入差距没有任何积极的社会作用。

根据句意及所给的汉语提示，填写适当单词完成句子。

1. She likes ________(蔬菜) because they are good for her.

2. She has ________(午饭) at school every day.

3. I’m very ________(疲劳的) after the long walk.

4. She ________(通常) swims after school.

5. She has a dancing lesson on ________(周三).