附北京版《英语》教材文本：
三年级下册Unit 7 I Want to Be a Teacher
Lesson 23（第一课时）
Lingling: It's raining hard, and it's thundering.
Sara: Are you afraid of thunder?
Lingling: Yes. How about you?
Sara: I'm not. I want to be a scientist. I want to know all about the weather.
Sara: What do you want to be, Lingling?
Lingling: I want to be a writer. I want to write interesting stories.
Sara: What does Guoguo want to be?
Lingling: She wants to be a swimmer.
Lesson 24 （第二课时）
Guoguo: Both my aunt and my uncle work at this hospital.
Mike: What do they do?
Guoguo: My aunt is a nurse, and my uncle is a doctor.
Mike: My mother also works in a hospital. She is a dentist.
Guoguo: So she takes care of your teeth. What does your father do?
Mike: He is a teacher.
补充语篇（第三课时）
My Hero
My hero is my mom! She's a vet. She's a dentist, too. She is a dentist for pets! She works in an animal hospital. She works on farms, too. She cleans cats' teeth. She cleans horses' teeth, too. She helps animals because they have problems with their teeth. People love their pets. My mom is their hero, too.
Lesson 25（第四课时）
Yangyang: I want to be a football player.
Guoguo: I like swimming. I want to be a swimmer. Will you take football lessons?
Yangyang: I will.
Yangyang: Will Lingling take any lessons this summer?
Guoguo: No, she won't. She will stay at home and write stories.
Yangyang: Wow! She is already a writer.