读百篇美文，做学习的主人。大家好，欢迎来到黛西英文，今天起我们将开启一个百日挑战，每日更新一篇英文短文，学习后在群里进行口语打卡，群里的小助手将每日记录学习人员，督促你的学习。
Day08 - Helpful and healthy
Many people may think the appendix is not very useful. We can still live well without it. But now, scientists find that it has something to do with diarrhea. People without an appendix have diarrhea more easily. Scientists need to study more to find out why. But it looks like the appendix can bring us more protection than danger.
1. helpful: adj. 有用的，有帮助的
2. healthy: adj.健康的
3. think：v.思考
4. appendix: n. 盲肠
5. useful：adj.有用的
6. live well：生活的好好的
7. without：prep.没有
8. scientist: n.科学家
9. have something to do with：和....有关系
10. diarrhea: n.腹泻
11. need to do: 需要做某事
12. become：v.变得
13. study: n.书房 v.研究，学习
14. find out：查明， 发现
15. bring: v.带来
16. protection:n.保护
17. danger：n.危险
