Unit 1 Life philosophy
Unit 2 Amazing news
Unit 3 American culture
Unit 4 History stories
Unit 5 Music in a language classroom
Unit 6 Finding the deepest cave
Unit 7 Sports world
Unit 8 The world of ocean
Unit 9 Colourful school life
Unit 10 The growth of youth
Unit 11 Travel and exploration
Unit 12 Natural disasters
Unit 13 Animal world
Unit 14 Science and technology
Unit 15 Forever friendship ~
Unit 16 Environment protection
Unit 17 Manners
Unit 18 Fancy knowledge
Unit 19 Classic novels
Unit 20 Run to raise money
Unit 21 Future life
Unit 22 British culture
Unit 23 Language learning
Unit 24 Stories of festivals
Unit 25 Advertisements
Unit 26 Films
Unit 27 Current affairs
Unit 28 Fairy tales
Unit 29 Famous people
Unit 30 Animal protection
参考答案
