必修1 1
Unit 1 Friendship 1
Unit 2 English around the world 26
Unit 3 Travel journal 49
Unit 4 Earthquakes 76
Unit 5 Nelson Mandela-a modern hero 101
必修2 138
Unit 1 Cultural relics 138
Unit 2 The Olympic Games 169
Unit 3 Computers 195
Unit 4 Wildlife protection 218
Unit 5 Music 243