阅读下面的短文，根据所给语境，按要求完成下列各题。
Many students get ill easily . ①They 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 fruits. 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, “②Early to bed and early to rise makes a man healthy ,wealthy（富有的）and wise（聪明的）.
小题1:How many suggestions are given to keep healthy?
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小题2:What is important for you to get a good grade ?
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小题3: 把画线①处句子翻译成汉语。
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小题4: 把画线②处句子翻译成汉语。
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小题5:给短文取个合适的题目。
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