请根据材料内容，完成各题。
If you want to live for 100 years, you need healthy food and lots of exercise.
In the morning, you have a big and nice breakfast. A big and nice breakfast can help you start a day. For lunch and dinner, you can have rice and vegetables. ⑵Healthy people seldom eat much snacks. Sweet snacks give you energy but they’re not healthy. You can have an orange or an apple after each meal.
Except for keeping a healthy ⑴______, you need lots of ⑴______ too. You can do sports for 30 minutes every day. After a month, you will feel healthier. You can swim. You can run. You can play ball games. But don’t play computer games or chat with friends on the Internet for many hours every day. This is not exercise.
Get up from your chair, everyone! Change your diet and lifestyle today! You can live for 100 years. You can always feel young with right food and exercise.
将⑴处分别填上适当的单词。
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将⑵画线处翻译成汉语:
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How long can we exercise every day?
                                                                    
在文中找出下面句子的同义句。
You can do some exercise for half an hour every day.
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找出文中最能表达中心意思的句子。
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