完形填空

Now more and more people get to know the importance of doing sports. It can bring fun 1 us and it can also make us 2.

3 what should we do?

First, we should choose (选择) our favorite ones from 4 kinds of sports. The sports must be right for us.

Second, we must warm up (热身) before5.

Third,  6 a beginner, you had better have an exercise plan. For example, 7 are you going to exercise each time? How many  8 a week? If you're a 9 of sports, it's important to know this.

Last but not least, you had better not exercise if you feel 10 , or it will be very dangerous.