根据短文内容，回答下列问题。
I'm a boy. I'm ten years old. I'm a primary school student in a beautiful city. I like taking part in (参加)
sports, such as running, swimming, playing football, playing basketball and playing tennis.
My hobby is playing basketball. In my spare time, I play it with my friends. After class, After
class, I play it with my classmates. Every day I get up early and go to school to take part in the
basketball team. Now I am one of the best basketball players on it today. I have good health, because
playing basketball can keep me healthier.
1. How old is he?
2. What does the boy like doing?
3. What is the boy's hobby?
4. Is he a basketball player?
