附教学内容：Unit 4 I Like Sport
Story Time
Ping-pong Is Fun
Liu Tao: I like sport. It's good for us.
Wang Bing: Me too. I like swimming and playing ping-pong. What about you?
Liu Tao: I like playing ping-pong too. Let's go and play.
Wang Bing: Good idea.
Wang Bing: Cool! You play so well.
Liu Tao: Thanks.
Wang Bing: Hi, Mike! Do you like playing ping-pong?
Mike: Yes, I do. Ping-pong is fun. But I can't play well.
Wang Bing: Have a go!
Mike: OK.
Mike: Oh no! It's hard for me.
Wang Bing: It's OK. Try again.
Wang Bing: Well played!
Liu Tao: Good!
Mike: Thank you! Ping-pong is great fun!