根据短文内容和首字母提示，把所缺单词填写在短文后面相应的横线上，使句意完整。

It's very important for us to keep h　　1　　 in our everyday life．Here is some a　　2　　 for you．First, you should have healthy diet．Different food helps us in different w　　3　　．You should eat more fruit and vegetables instead o　　4　　 hamburgers, Beijing roast duck and so on．If you choose the right food, you can have healthy eating habits．Second, doing exercise is good f　　5　　 your health．For example, climbing mountains, riding bikes or swimming．Third, you should s　　6　　 at least eight hours a day and you shouldn't work or study too hard．Finally, remember that s　　7　　 is bad for your health, so don't smoke, you will become m　　8　　 healthier．

1．________

2．________

3．________

4．________

5．________

6．________

7．________

8．________