Unit 1 Good friends

Unit 2 English around the world

Unit 3 Going places

Unit 4 Unforgettable experiences

Unit 5 The silver screen

Unit 6 Good manners

Unit 7 Cultural relics

Unit 8 Sports

Unit 9 Technology

Unit 10 The world around us

Unit 11 The sounds of the world

Unit 12 Art and literature

Unit 13 Healthy eating

Unit 14 Festivals

Unit 15 The necklace

Unit 16 Scientists at work

Unit 17 Great women

Unit 18 New Zealand

Unit 19 Modern agriculture

Unit 20 Humour

Unit 21 Body language

Unit 22 A world of fun

附录Ⅰ 不规则动词的过去式和过去分词

附录Ⅱ 常用前后缀

附录Ⅲ 英语国际音标变化表