Возможный ответ:
Now, I'm going to give a talk about sports.
To begin with, sports are an important part of a healthy lifestyle. As far as I know, a lot of young people do sports nowadays because they want to stay healthy, look good, and feel energetic. Besides, doing sports helps teenagers reduce stress, make new friends, and become more disciplined. Many young people also dream of becoming professional athletes or simply enjoy competing with others.
Besides, in my school, there are several sports clubs and teams. We have a football team, a basketball team, and a volleyball team. We also have a table tennis club and a track and field team. Many students take part in these activities after classes, and our school often organizes competitions with other schools.
As for me, I do several things to keep fit. I play football twice a week with my friends after school. I also ride my bike at the weekends and sometimes go swimming at the local pool. Besides, I try to walk as much as possible instead of using public transport.
In conclusion, I'd like to say that I have a very positive attitude to doing sports activities. I believe that regular physical activity is important for both physical and mental health, and I try to stay active whenever I can.
That's all I wanted to say about sports.