Unit 1 Going to Beijing Unit 2 Animals Unit 3 Endangered animals Unit 4 Writing to penfriends Unit 5 People's jobs Unit 6 A new flat Unit 7 Daily life Unit 8 Different kinds of signs Unit 9 A healthy lifestyle Unit 10 International food Unit 11 A birthday party Unit 12 Favourite food Unit 13 Let's have fun in Shanghai! Unit 14 Seeing a film Unit 15 TV time! Unit 16 Shopping for clothes Unit 17 Getting on with others Unit 18 Seasonal sceneries and activities Unit 19 Story time Unit 20 Life in the future Unit 21 School life Unit 22 Wind Unit 23 Water Unit 24 About electricity Unit 25 Books Keys