Unit 1 Low—Carbon Life Page 1~21
Unit 2 Interpersonal Relationship Page 23~41
Unit 3 Housing Page 43~62
Unit 4 Transportation Page 63~84
Unit 5 Test Yourself 1 (for Units 1 ~ 4) Page 85~99
Unit 6 Fantastic Thoughts Page 101~119
Unit 7 Culture Shock Page 121~140
Unit 8 Travelling Page 141~161
Unit 9 Global Epidemics Page 163~184
Unit 10 Test Yourself 2 (for Units 6 ~ 9) Page 185~199
Glossary Page 200~226