阅读下面短文，根据所给语境，按要求完成下列各题。
     Many students get ill easily. They have to go to hospital and may miss a lot of classes. What can we do
  to keep healthy? Here are some tips:
     Healthy food. You should eat less fast food but more vegetables and fruit. You'd better drink 500 ml
 milk every day. Remember to eat breakfast.
     Enough exercise. Doing exercise is important. It makes you more athletic .You can play some sports
 after class or on weekends.
     Happy smiles. Smile is a good way to make you healthy. Try to find things that can make you laugh .
 Remember that smile is the best medicine to cure (治疗) your illness.
     Good rest. If you want to get a good grade, you must have a good rest. As a famous saying goes,
  “Early to bed and early to rise makes a man healthy, wealthy（富有的）and wise（聪明的).
1. 将划线句子翻译成汉语。
    __________________________________
2. 完成下列句子，每空词数不限。
    If you get ill, you have to _____ and may _____.
3. 完成下列句子，每空词数不限。
    You can play sports _____ or _____.