阅读下面短文,并用英语回答问题(请注意每小题后面的词数要求)。
If you want to have a healthy body, you should have a healthy lifestyle. Here is some advice for a healthy lifestyle.
You are What You Eat
Diseases come in at the mouth. You should choose the right food to eat and cook food in a healthy way.
Watch the Toothbrush
I believe you brush your teeth every day. How often do you change your toothbrush? Some old toothbrushes bring disease, do you know? Please watch your toothbrushes. Don’t forget to change them, please. You should change your toothbrushes at least once a month.
Exercise
Exercise is very important in your life. You should exercise at least for 30 minutes each day. You can do some sports, such as running, swimming, playing basketball, taking a walk and so on.
73. How often do you change your toothbrush?(不超过5个词)
____________________________________________________________74. How long should you exercise a day at least ?(不超过5个词)
____________________________________________________________75. What’s the passage mainly about?(不超过10个词)
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