P5 Let's Talk 课文原文：
Chen: Welcome to our school!This is the teacher's office.That is my classroom.
Visitor A: How many students are there in your class?
Chen: Forty-five.
Visitor Ｂ: Do you have a library?
Chen: Yes.
Visitor A: Do you have lunch at school?
Chen: Yes!The Canteen is on the first floor.This way,please.
Chen: Look!This is our playground.
Visitors: Oh,your school is beautiful.