题目内容：

下面是一篇关于健身的短文，阅读短文，根据短文内容，从所给选项中选择对应的标题填入短文中，使其文理通顺。

Having an exercise plan is important, but you should always ask your doctor for advice before starting it. You should know that over-exercising and exercising in a wrong way can hurt your body. The following advice can help you.

A. Build up slowly.

B. Warm up before exercising.

C. Wear sports shoes.

D. Cool down after exercising.

E. Never let yourself feel thirsty.

1.This helps to get your body ready for activities. It’s especially important in the morning._______

2.Don’t stop at once. Do a few light activities to avoid pains later._______

3.Take exercise every day for some time, but never try to exercise when you don’t feel good. If you don’t listen to your body, you will hurt yourself.______

4.Water is important to keep your normal body temperature during exercise and avoid feeling tired._______

5.They can protect your feet. With the help of the advice above, you’re sure to enjoy the fun of

exercising.____________