.Unit 1 There are four seasons in a year.
.Unit 2 Is she your mum's favourite singer?
.Unit 4 We went on a science field trip.
.Unit 5 We are going to learn about Chinese festivals.
.Unit 6 I danced on Children's Day last year.
.Unit 7 Can you see the lightning?
.Unit 8 We will be in a junior middle school.
.Unit 9 China is a great country!
.Unit 10 Goodbye to all our friends.
.Appendices
二、课文同步录音打包下载
点击下载：下载地址一。